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Europe set to test new spaceplane

10.02.2015 by Kaido Reivelt

In a world first, the European Space Agency will launch and land an unmanned spaceplane February 11 that has no wings but instead features an aerodynamic shape that produces the lift to fly through the atmosphere.

Filed Under: RSS Kosmos

Google helps Lick Observatory stay open with $1 million gift

10.02.2015 by Kaido Reivelt

A resurgence of support from the University of California and several large donations signal a turning of the tide for the world’s first permanent mountaintop observatory.

Filed Under: RSS Kosmos

Google helps Lick Observatory stay open with $1 million gift

10.02.2015 by Kaido Reivelt

A resurgence of support from the University of California and several large donations signal a turning of the tide for the world’s first permanent mountaintop observatory.

Filed Under: RSS Kosmos

Valmistati materjal, millel on negatiivne murdumisnäitaja nähtavas spektri piirkonnas

10.02.2015 by Kaido Reivelt

Ajakirja Nature väljaandest Scientific reports saime lugeda, et esmakordselt on saadud ja ära mõõdetud nähtavas piirkonnas negatiivset murdumisnäitajat omav materjal. Töö on tehtud Hiina teadlaste poolt ja selle rõhk on just materjali valmistamise meetodil. Ja õige ka – oleme ju siinsetelgi veergudel mitut puhku rääkinud, kui keeruline on spektri nähtavasse piirkonda sobivaid metamaterjale valmistada. Juuresolev […]

Filed Under: Teadusuudised, Valguse aasta 2015 Tagged With: Kuidas saada nähtamatuks, nanotehnoloogia

Retsept metamaterjalide valmistamiseks

9.02.2015 by Kaido Reivelt

Metamaterjalid on huvitavad, ei ole probleem neile rakendusi välja mõelda alates ideaalsest valguse neelajast lõpetades superläätsedega. Aga nende valmistamine on väga keeruline. Siiski, vahel on valmistamise protsess ja selle tulemus üsna lihtsalt hoomatav. Käesoleval juhul on Jaapani ja Taiwani teadlased valmistanud metamaterjali mis erinevalt varasematest on isotroopne, st selle omadused ei sõltu langeva valguse suunast […]

Filed Under: Teadusuudised, Valguse aasta 2015 Tagged With: Kuidas saada nähtamatuks

NASA Spacecraft Completes 40,000 Mars Orbits

9.02.2015 by Kaido Reivelt

NASA’s Mars Reconnaissance Orbiter has exceeded 40,000 trips around Mars and continues to study patterns of change on the Red Planet.

Filed Under: RSS Kosmos

A sweet martian treat

9.02.2015 by Kaido Reivelt

Space Science Image of the Week: This surprising view of the Red Planet, courtesy of Mars Express, shows chocolate, caramel and cream-coloured swirls encircling the south pole

Filed Under: RSS Kosmos

Composite-Light-Pulse Technique for High-Precision Atom Interferometry

9.02.2015 by Kaido Reivelt

Author(s): P. Berg, S. Abend, G. Tackmann, C. Schubert, E. Giese, W. P. Schleich, F. A. Narducci, W. Ertmer, and E. M. Rasel

By keeping its atomic components in the same state, a team was able to reduce one typical source of noise in a rotation-measuring device.

Selected for a Synopsis in Physics
[Phys. Rev. Lett. 114, 063002] Published Mon Feb 09, 2015

Filed Under: RSS Teadus

Measuring the Transverse Spin Density of Light

9.02.2015 by Kaido Reivelt

Author(s): Martin Neugebauer, Thomas Bauer, Andrea Aiello, and Peter Banzer Under certain conditions the spin of photons can acquire an unusual transverse component. Using intensity differences in the far-field, the transverse spin density is experimen…

Filed Under: RSS Teadus

Synthesis of Programmable Reaction-Diffusion Fronts Using DNA Catalyzers

9.02.2015 by Kaido Reivelt

Author(s): Anton S. Zadorin, Yannick Rondelez, Jean-Christophe Galas, and André Estevez-Torres

Strands of DNA can be used to generate waves of chemical reactions with programmable shape and velocity.

Selected for a Synopsis in Physics
[Phys. Rev. Lett. 114, 068301] Published Mon Feb 09, 2015

Filed Under: RSS Teadus

Watch IXV launch

9.02.2015 by Kaido Reivelt

Join us for the launch of Europe’s experimental spaceplane, scheduled for 13:00 GMT (14:00 CET) on 11 February. Streaming starts at 12:45 GMT (13.45 CET)

Filed Under: RSS Kosmos

First pair of merging stars destined to become supernova found

9.02.2015 by Kaido Reivelt

A team of astronomers has discovered a close pair of white dwarf stars in a planetary nebula that have a total mass of about 1.8 times that of the Sun.

Filed Under: RSS Kosmos

IXV mission timeline

9.02.2015 by Kaido Reivelt

An annotated timeline of the most critical events during the IXV mission. ESA’s wingless spaceplane is set for liftoff on a Vega rocket from Kourou, French Guiana, 11 February 2015.

Filed Under: RSS Kosmos

Söövitusmeetod aitab 2-D struktuuridest luua 3-dimensionaalseid

8.02.2015 by Kaido Reivelt

Tänapäevases kaugsides kannab valgus digitaalset informatsiooni kilomeetrite taha vaid sekunditega. Kohandatud optilised materjalid kontrollivad valgussignaale. Teadlased Berliini, Louvain’i ja Karlsruhe Tehnoloogia Instituutidest esitavad ajakirjas Advanced Functional Materials meetodit footonkristallide tootmiseks. Nende optilised omadused on paika pandud mikromeetri suuruste struktuuridega. Antud meetod on kiire, odav ja lihtne ning kasutab osaliselt iseorganiseeruvuse printsiipi. „Materjalide optilisi omadusi saab […]

Filed Under: Teadusuudised, Valguse aasta 2015 Tagged With: Kuidas saada nähtamatuks, nanotehnoloogia

Põgenevate kivide mõistatus lahendatud?

7.02.2015 by Kaido Reivelt

California ja Nevada kuivanud järvede põhjas vedelevate kivide taga on tihti pikad vaod, mis algavad kivi juurest ja võivad ulatuda kümneid meetreid üle kõvaks kuivanud kõrbepinnase. Kivid ise kaaluvad kuni 300 kilo. Mis neid jälgi tekitab? Kas kivid üritavad Las Vegase kasiinodesse murda? Või käib mõni veidrik neid lükkamas? Igal juhul peab jälgede tekitamine keeruline […]

Filed Under: Teadusuudised

Week In Images

6.02.2015 by Kaido Reivelt

Our week through the lens: 2-6 February 2015

Filed Under: RSS Kosmos

Camera to record doomed ATV’s disintegration – from inside

6.02.2015 by Kaido Reivelt

Next Monday, ESA astronaut Samantha Christoforetti will float into Europe’s space ferry to install a special infrared camera, set to capture unique interior views of the spacecraft’s break-up on reentry.

Filed Under: RSS Kosmos

Planck mission explores the history of our universe

6.02.2015 by Kaido Reivelt

The latest data release is providing insights on the first stars, dark energy, and cosmic structure.

Filed Under: RSS Kosmos

Curiosity analyzing sample of martian mountain

6.02.2015 by Kaido Reivelt

Preliminary results suggest the area had acidic ancient conditions

Filed Under: RSS Kosmos

Fluorestseeruvad nanotorud – uus aken aju ehitusse

6.02.2015 by Kaido Reivelt

Stanfordi Ülikooli teadlased töötasid hiljuti välja maailma esimese mitteinvasiivse pildistustehnoloogia, mis suudab tuvastada hiire aju veresoontes asuvaid kuni mikromeetrise läbimõõduga struktuure. Meetodis süstitakse hiire ajusse ühekihilisi süsiniknanotorusid (ingl. k. single-walled carbon nanotubes) ja detekteeritakse nende kiiratavat valgust. Veresoonte struktuuri ja seal oleva vere voolamist on erakordselt oluline teada näiteks insuldi, dementsuse ja ajukasvajate ravimisel. Tänapäeval tugineb ajust kujutise saamine peamiselt […]

Filed Under: Rakenduslik teadus, Teadusuudised, Valguse aasta 2015 Tagged With: nanotehnoloogia, Vaata sissepoole

Lisbon

6.02.2015 by Kaido Reivelt

Earth observation image of the week: a Sentinel-1 radar image of Portugal’s capital, also featured on the Earth from Space video programme

Filed Under: RSS Kosmos

Latest Galileo satellites reach launch site

6.02.2015 by Kaido Reivelt

Another two Galileo satellites have touched down in French Guiana ready to take their place in Europe’s satellite navigation constellation.

Filed Under: RSS Kosmos

What’s new about Europe’s reentry mission?

6.02.2015 by Kaido Reivelt

ESA’s experimental spaceplane, poised for liftoff on Vega, is set to showcase the latest technologies and critical systems to extend Europe’s capability for space exploration.

Filed Under: RSS Kosmos

Dawn Gets Closer Views of Ceres

5.02.2015 by Kaido Reivelt

NASA’s Dawn spacecraft, on approach to dwarf planet Ceres, has acquired its latest and closest-yet snapshot of this mysterious world.

Filed Under: RSS Kosmos

Planck Mission Explores the History of Our Universe

5.02.2015 by Kaido Reivelt

New data from Planck are helping scientists better understand the history and fabric of our universe, as well as our own Milky Way galaxy.

Filed Under: RSS Kosmos

NASA’s Curiosity Analyzing Sample of Martian Mountain

5.02.2015 by Kaido Reivelt

NASA’s Curiosity Mars rover is analyzing a rock-powder sample collected by using the rover’s drill in a gentler manner than at previous drill targets.

Filed Under: RSS Kosmos

Kuidas näevad välja tõelised laserkuulid?

5.02.2015 by Kaido Reivelt

Laserkuulid on ulmefilmides üsna sagedane nähtus. Aga tegelikkuses? Poola füüsikud T.Fok, Y.Stepanenko ja W.Wegrzynski on oma teravatise laseri justeerimise käigus võtnud vaevaks ja teinud video sellest, kuidas sellise ülivõimsa laseri tekitatud valgusimpulss (“valguskuul”) lendab. Video (vt allpool) näib üsna arusaadav – tõepoolest, midagi helendavat liigub piki koridori.  Aga siin on nii mõndagi seletamist. Esiteks, ükskõik […]

Filed Under: Päevapilt, Valguse aasta 2015

Storage and Retrieval of THz-Bandwidth Single Photons Using a Room-Temperature Diamond Quantum Memory

5.02.2015 by Kaido Reivelt

Author(s): Duncan G. England, Kent A. G. Fisher, Jean-Philippe W. MacLean, Philip J. Bustard, Rune Lausten, Kevin J. Resch, and Benjamin J. Sussman

Diamond crystals enable new ways of storing single photons at room temperature and detecting their entanglement.

Selected for a Synopsis in Physics
[Phys. Rev. Lett. 114, 053602] Published Thu Feb 05, 2015

Filed Under: RSS Teadus

Entangled Absorption of a Single Photon with a Single Spin in Diamond

5.02.2015 by Kaido Reivelt

Author(s): Hideo Kosaka and Naeko Niikura Diamond crystals enable new ways of storing single photons at room temperature and detecting their entanglement.[Phys. Rev. Lett. 114, 053603] Published Thu Feb 05, 2015

Filed Under: RSS Teadus

Earth from Space

5.02.2015 by Kaido Reivelt


Join us Friday, 6 February, at 10:00 CET for the ‘Earth from Space’ video programme. This week features a Sentinel-1 radar image over the metropolitan area of Portugal’s capital, Lisbon

Filed Under: RSS Kosmos

A brand new sky

5.02.2015 by Kaido Reivelt


New Planck maps uncover the ‘polarised’ light from the early Universe, revealing that the first stars formed much later than previously thought

Filed Under: RSS Kosmos

Hubble captures rare triple-moon conjunction

5.02.2015 by Kaido Reivelt

These so-called Galilean satellites complete orbits around Jupiter with durations ranging from two to 17 days.

Filed Under: RSS Kosmos

The Lunar Reconnaissance Orbiter discovers lunar hydrogen more abundant on Moon’s pole-facing slopes

5.02.2015 by Kaido Reivelt

Explorers are excited because these deposits could be mined if they are sufficiently abundant.

Filed Under: RSS Kosmos

New Horizons returns new images of Pluto

5.02.2015 by Kaido Reivelt

These are the first photos of the Pluto system for the spacecraft’s optical navigation phase of the mission.

Filed Under: RSS Kosmos

NASA Aircraft, Spacecraft Aid Atmospheric River Study

4.02.2015 by Kaido Reivelt

NASA is part of a major field campaign studying intense atmospheric river storms from the ocean, land, air and space.

Filed Under: RSS Kosmos

Glow in the Dark Matter: Observing Galactic Halos with Scattered Light

4.02.2015 by Kaido Reivelt

Author(s): Jonathan H. Davis and Joseph Silk The dark matter around galaxies might produce a detectable glow at infrared wavelengths.[Phys. Rev. Lett. 114, 051303] Published Wed Feb 04, 2015

Filed Under: RSS Teadus

Estonia joins ESA family

4.02.2015 by Kaido Reivelt


PR N° 5-2015: Estonia took a step further in its relations with ESA by signing the Accession Agreement to the ESA Convention on 4 February 2015, to become the 21st ESA Member State

Filed Under: RSS Kosmos

Rosetta swoops in for a close encounter

4.02.2015 by Kaido Reivelt

ESA’s Rosetta probe is preparing to make a close encounter with its comet on 14 February, passing just 6 km from the surface.

Filed Under: RSS Kosmos

Meade appoints new president

4.02.2015 by Kaido Reivelt

Victor Aniceto, former vice president of sales and marketing, will succeed Joe Lupica.

Filed Under: RSS Kosmos

New infrared view of the Trifid Nebula reveals new variable stars far beyond

4.02.2015 by Kaido Reivelt

They are the first such stars found that lie in the central plane of the Milky Way beyond its central bulge.

Filed Under: RSS Kosmos

Rosetta swoops in for a close encounter

4.02.2015 by Kaido Reivelt

The February 14 flyby will allow the spacecraft to sample the innermost parts of Comet 67P/Churyumov-Gerasimenko’s atmosphere.

Filed Under: RSS Kosmos

Füüsikaviktoriin Spekter

4.02.2015 by Kaido Reivelt

TÜ teaduskool koostöös TÜ koolifüüsika keskuse ja Eesti Füüsika Seltsiga korraldavad 8. aprillil 2015 veebipõhise füüsikaviktoriini „Spekter“. Viktoriin on pühendatud rahvusvahelisele valguse aastale ning sellest oodatakse osa võtma kõiki 8.-10. klasside õpilasi, kes soovivad oma füüsikateadmisi proovile panna. Võistlusest saab osa võtta arvuti, nutitelefoni või tahvelarvuti vahendusel. Viktoriini idee initsiaatori ja vedaja, TÜ teaduskooli haridustehnoloogi […]

Filed Under: Füüsika koolis, Valguse aasta 2015

Propeller katki?

4.02.2015 by Kaido Reivelt

Kui satute järgmisel korral propelleritega lennukiga sõitma, siis lõbustage ennast ja kaasreisijaid sellega, et pildistate või filmite oma nutitelefoniga lennuki propellerit. Sest tulemus arvatavasti üllatab – pildile võib jääda just selline täiesti mittesümmeetriline objekt. Võib isegi tekkida kartus, kas lennukiga on kõik korras. Sellise kõvera pildi põhjuseks ei ole siiski mitte katkine propeller vaid mobiiltelefoni […]

Filed Under: Päevapilt, Valguse aasta 2015

Mars Orbiter Spies Curiosity Rover at Work

3.02.2015 by Kaido Reivelt

NASA’s Mars Reconnaissance Orbiter recently caught a view of NASA’s Curiosity Mars rover studying an outcrop at the base of a Martian mountain.

Filed Under: RSS Kosmos

Spaceship to ship

3.02.2015 by Kaido Reivelt


Human spaceflight and operations image of the week: A tracking station aboard Nos Aries will be the first to pick up IXV’s call home after reentry

Filed Under: RSS Kosmos

Strange Nonchaotic Stars

3.02.2015 by Kaido Reivelt

Author(s): John F. Lindner, Vivek Kohar, Behnam Kia, Michael Hippke, John G. Learned, and William L. Ditto The ratio of the frequencies of a pulsating star is approximately the golden mean, a clue that the pulsing is fractal in time.[Phys. Rev. Lett. …

Filed Under: RSS Teadus

IXV: 100 minutes of critical teamwork

3.02.2015 by Kaido Reivelt

During its brief but crucial mission, experts on three continents and the high seas will work in close cooperation for ESA’s IXV spaceplane mission, monitoring its free flight in space, spectacular reentry and safe splashdown in the Pacific.

Filed Under: RSS Kosmos

Plant power from above

3.02.2015 by Kaido Reivelt

Field experiments have shown how ESA’s potential FLEX mission could identify vegetation that is suffering degrees of stress invisible to the naked eye.

Filed Under: RSS Kosmos

Meteorite may represent “bulk background” of Mars’ battered crust

3.02.2015 by Kaido Reivelt

NWA 7034 has been shown to be a 4.4-billion-year-old chunk of the martian crust, the first such sample to make it to Earth.

Filed Under: RSS Kosmos

“Live fast, die young” galaxies lose the gas that keeps them alive

3.02.2015 by Kaido Reivelt

A pilot study looking at galaxies that die young has found some might shoot out this gas early on, causing them to redden and kick the bucket prematurely.

Filed Under: RSS Kosmos

IXV testing technologies

3.02.2015 by Kaido Reivelt

Find out how ESA’s cutting-edge spaceplane advances Europe’s ambition for autonomous landings from space

Filed Under: RSS Kosmos

Arcadia High School Takes First Place at Science Bowl

2.02.2015 by Kaido Reivelt

Arcadia High School triumphed over 23 other teams at the National Science Bowl regional competition held at JPL on Jan. 31.

Filed Under: RSS Kosmos

XLV Eesti füüsikapäevad ja XXXVII füüsikaõpetajate päevad

2.02.2015 by Kaido Reivelt

XLV Eesti füüsikapäevad ja XXXVII füüsikaõpetajate päevad toimuvad Tartus, uues TÜ Füüsikumis 20-21.03.2015. Programmi kuuluvad ülevaateettekanded, mis tutvustavad laiemalt nii füüsika kui ka füüsikaga piirnevate valdkondade arengut meil ja mujal maailmas, aga loomulikult ka meie füüsikute viimase aja uurimistulemusi ning füüsika õpetamisega seonduvat. Valguse aastale kohaselt on eriti oodatud fotoonika hetkeseisu ja tulevikuväljavaateid käsitlevad ettekanded. […]

Filed Under: Teated, Valguse aasta 2015

Full Multipartite Entanglement of Frequency-Comb Gaussian States

2.02.2015 by Kaido Reivelt

Author(s): S. Gerke, J. Sperling, W. Vogel, Y. Cai, J. Roslund, N. Treps, and C. Fabre Researchers characterize the multiple ways of entanglement that exist between different frequency bands in a down-converted frequency comb.[Phys. Rev. Lett. 114, 05…

Filed Under: RSS Teadus

IXV and Vega united

2.02.2015 by Kaido Reivelt

ESA’s Vega rocket, with IXV on top, now awaits its fourth flight with liftoff on 11 February at 13:00 GMT (14:00 CET)

Filed Under: RSS Kosmos

Cat scan of nearby supernova remnant reveals frothy interior

2.02.2015 by Kaido Reivelt

Astronomers have generated a new 3-D map of Cassiopeia A’s interior, using the astronomical equivalent of a CAT scan.

Filed Under: RSS Kosmos

The telltale signs of a galactic merger

2.02.2015 by Kaido Reivelt

This galaxy has drifted too close to another nearby galaxy and the dramatic interaction has twisted its spiral arms out of shape.

Filed Under: RSS Kosmos

Haunted stellar relic

2.02.2015 by Kaido Reivelt


Space Science Image of the Week: A composite XMM-Newton and Hubble view of Jupiter’s Ghost planetary nebula

Filed Under: RSS Kosmos

NASA Launches Groundbreaking Soil Moisture Mapper

31.01.2015 by Kaido Reivelt

NASA successfully launched its first Earth satellite designed to collect global observations of the vital soil moisture hidden just beneath our feet.

Filed Under: RSS Kosmos

Gravitational Waves from Early Universe Remain Elusive

30.01.2015 by Kaido Reivelt

A joint analysis of data from Planck and the ground-based experiment BICEP2 has found no conclusive evidence of gravitational waves from the birth of our universe.

Filed Under: RSS Kosmos

The search continues

30.01.2015 by Kaido Reivelt

Planck and Bicep2 join forces but gravitational waves remain elusive

Filed Under: RSS Kosmos

Week In Images

30.01.2015 by Kaido Reivelt

Our week through the lens: 26-30 January 2015

Filed Under: RSS Kosmos

Black hole chokes on a swallowed star

30.01.2015 by Kaido Reivelt

Extensive data analysis has led astronomers to believe they witnessed a giant black hole tear apart a star back in 2009.

Filed Under: RSS Kosmos

Gravitational waves remain elusive, according to Planck

30.01.2015 by Kaido Reivelt

The satellite’s work with ground-based telescopes has shown that interstellar dust was actually the cause of more than half of the signal detection announced almost a year ago.

Filed Under: RSS Kosmos

Black hole chokes on a swallowed star

30.01.2015 by Kaido Reivelt

Extensive data analysis has led astronomers to believe they witnessed a giant black hole tear apart a star back in 2009.

Filed Under: RSS Kosmos

Cassini catches Titan naked in the solar wind

30.01.2015 by Kaido Reivelt

Observations suggest that unmagnetized bodies like Saturn’s moon might interact with the solar wind in the same basic ways regardless of their nature or distance from the Sun.

Filed Under: RSS Kosmos

Charles H. Townes (28.07.1915 – 27.01.2015)

30.01.2015 by Kaido Reivelt

Laserite tähtsust teaduses ja tehnoloogias on raske üle hinnata. Neil päevil suri Charles H. Townes, üks laseri loojatest. Charles H. Townes on USA füüsik, sündinud Greenvilleys, Lõuna-Carolinas. Ta õppis Furmani ülikoolis (B.A. ja B.S. kraad 1935), Duke’i ülikoolis (M.A. kraad 1937) ja Kalifornia Tehnoloogiainstituudis (PhD, 1939). Lõpetanud õpingud, sai ta tööle firma Bell Telephone laboratooriumisse […]

Filed Under: Arvamus ja Inimesed

NASA TV Coverage Reset for Launch of Newest Earth-Observing Mission

29.01.2015 by Kaido Reivelt

NASA’s SMAP mission is now scheduled for launch at 6:20 a.m. PST Friday, Jan. 30.

Filed Under: RSS Kosmos

SMAP Earth Mission Launch No Earlier Than Saturday

29.01.2015 by Kaido Reivelt

The launch of NASA’s Soil Moisture Active Passive (SMAP) observatory has been delayed to a targeted launch date of Jan. 31.

Filed Under: RSS Kosmos

Magnificent merger

29.01.2015 by Kaido Reivelt

Tell-tale signs of a dramatic encounter between galaxies are evident in this striking view captured by the Hubble Space Telescope

Filed Under: RSS Kosmos

Hypothesis Testing with Open Quantum Systems

29.01.2015 by Kaido Reivelt

Author(s): Klaus Mølmer

Monitoring the emitted radiation and final state of an open quantum system could allow determination of the optimal Hamiltonian governing the system’s dynamics.

[Phys. Rev. Lett. 114, 040401] Published Thu Jan 29, 2015

Filed Under: RSS Teadus

IXV packed and ready

29.01.2015 by Kaido Reivelt

ESA’s IXV spaceplane is a snug fit inside Vega’s protective fairing and will soon be attached to the rocket in preparation for launch on 11 February

Filed Under: RSS Kosmos

Earth from Space

29.01.2015 by Kaido Reivelt


Join us Friday, 30 January, at 10:00 CET for the ‘Earth from Space’ video programme. Ahead of World Wetlands Day, this week’s programme features the Ramsar sites on the island of Corsica

Filed Under: RSS Kosmos

Some potentially habitable planets began as gaseous, Neptune-like worlds

29.01.2015 by Kaido Reivelt

Computer models show that tidal forces and atmospheric escape can transform certain exoplanets.

Filed Under: RSS Kosmos

Dawn spacecraft captures best-ever view of dwarf planet

29.01.2015 by Kaido Reivelt

The images were taken 147,000 miles (237,000 kilometers) from Ceres and represent a new milestone for a spacecraft that soon will become the first human-made probe to visit a dwarf planet.

Filed Under: RSS Kosmos

NASA’s SMAP Earth Mission Launches

28.01.2015 by Kaido Reivelt

NASA’s Soil Moisture Active Passive (SMAP) mission has launched from California into the early morning skies above the Pacific Ocean.

Filed Under: RSS Kosmos

Cassini Catches Titan Naked in the Solar Wind

28.01.2015 by Kaido Reivelt

Researchers studying data from NASA’s Cassini mission have observed that Saturn’s largest moon, Titan, behaves much like Venus, Mars or a comet when exposed to the raw power of the solar wind.

Filed Under: RSS Kosmos

Astronomers Discover Ancient System with Five Small Planets

28.01.2015 by Kaido Reivelt

The star system Kepler-444 is the oldest known to host terrestrial-sized planets.

Filed Under: RSS Kosmos

Settling the Half-Life of ^{60}Fe: Fundamental for a Versatile Astrophysical Chronometer

28.01.2015 by Kaido Reivelt

Author(s): A. Wallner, M. Bichler, K. Buczak, R. Dressler, L. K. Fifield, D. Schumann, J. H. Sterba, S. G. Tims, G. Wallner, and W. Kutschera

A better measure of an iron isotope’s half-life may lead to new ways of dating astrophysical events that unfold over millions of years.

Selected for a Synopsis in Physics
[Phys. Rev. Lett. 114, 041101] Published Wed Jan 28, 2015

Filed Under: RSS Teadus

Laser Cooling without Spontaneous Emission

28.01.2015 by Kaido Reivelt

Author(s): Christopher Corder, Brian Arnold, and Harold Metcalf Atom-light interactions using polychromatic laser fields permit energy and momentum exchange for laser cooling without spontaneous emission.[Phys. Rev. Lett. 114, 043002] Published Wed Jan…

Filed Under: RSS Teadus

Cubes with a view

28.01.2015 by Kaido Reivelt

Technology image of the week: Next year this ESA three-unit CubeSat will be probing largely unexplored layers of Earth’s atmosphere

Filed Under: RSS Kosmos

Citizen scientists lead astronomers to mystery objects in space

28.01.2015 by Kaido Reivelt

Scientists analyzed the “yellow balls” that appeared in Spitzer data and figured out that they are a new way to detect the early stages of massive star formation.

Filed Under: RSS Kosmos

Gigantic ring system around J1407b

28.01.2015 by Kaido Reivelt

The exoplanet’s ring system consists of over 30 rings, each of them tens of millions of miles in diameter.

Filed Under: RSS Kosmos

Citizen Scientists Lead Astronomers to Mystery Objects in Space

27.01.2015 by Kaido Reivelt

“Hmm, what’s that?” Simply by asking the question, volunteers have led researchers to illuminate a little-known stage of massive star formation.

Filed Under: RSS Kosmos

NASA’s Dawn Spacecraft Captures Best-Ever View of Dwarf Planet

27.01.2015 by Kaido Reivelt

NASA’s Dawn spacecraft has returned the sharpest images ever seen of the dwarf planet Ceres.

Filed Under: RSS Kosmos

SMAP Readiness Review Gives ‘Go’ for Launch

27.01.2015 by Kaido Reivelt

Managers from NASA and United Launch Alliance (ULA) met Tues., Jan. 27, at Vandenberg Air Force Base to assess the status of NASA’s Soil Moisture Active Passive spacecraft and the ULA Delta II rocket that will boost SMAP into space.
…

Filed Under: RSS Kosmos

Building a Better Weather Forecast? SMAP May Help

27.01.2015 by Kaido Reivelt

Soil moisture data from NASA’s SMAP mission will open a path to improved weather forecasts.

Filed Under: RSS Kosmos

Arms that never tire

27.01.2015 by Kaido Reivelt

ESA astronaut Tim Peake and Rosetta Project Scientist Dr Matt Taylor talk robotics in space missions in a Google hangout. Watch the replay

Filed Under: RSS Kosmos

Gigabar Spherical Shock Generation on the OMEGA Laser

27.01.2015 by Kaido Reivelt

Author(s): R. Nora, W. Theobald, R. Betti, F. J. Marshall, D. T. Michel, W. Seka, B. Yaakobi, M. Lafon, C. Stoeckl, J. Delettrez, A. A. Solodov, A. Casner, C. Reverdin, X. Ribeyre, A. Vallet, J. Peebles, F. N. Beg, and M. S. Wei

A two-step scheme for inertial confinement fusion generates gigabar shock pressures in a fuel target.

Selected for a Synopsis in Physics
[Phys. Rev. Lett. 114, 045001] Published Tue Jan 27, 2015

Filed Under: RSS Teadus

IXV into position

27.01.2015 by Kaido Reivelt


ESA’s experimental spaceplane, in the final stages of preparation for launch, is mounted on the adapter that secures it to the Vega rocket

Filed Under: RSS Kosmos

Kepler astronomers discover ancient star with five Earth-sized planets

27.01.2015 by Kaido Reivelt

This system tells us that planets were forming around stars nearly 7 billion years before our solar system.

Filed Under: RSS Kosmos

Asteroid that flew past Earth has moon

27.01.2015 by Kaido Reivelt

Scientists have released the first radar images of asteroid 2004 BL86, which made its closest approach January 26.

Filed Under: RSS Kosmos

Striking lightning

27.01.2015 by Kaido Reivelt

Human spaceflight and operations image of the week: lightning strike seen from the International Space Station

Filed Under: RSS Kosmos

Asteroid That Flew Past Earth Has Moon

26.01.2015 by Kaido Reivelt

Radar Images from Goldstone indicate that asteroid 2004 BL86, which safely flew past Earth, has a moon.

Filed Under: RSS Kosmos

SMAP Will Track a Tiny Cog That Keeps Cycles Spinning

26.01.2015 by Kaido Reivelt

Soil moisture, which keeps Earth’s interlocking cycles of water, carbon and energy turning in harmony, is the focus of NASA’s SMAP mission, launching Jan. 29.

Filed Under: RSS Kosmos

Rosetta watches comet shed its dusty coat

26.01.2015 by Kaido Reivelt

ESA’s Rosetta mission is providing unique insight into the life cycle of a comet’s dusty surface, watching 67P/Churyumov–Gerasimenko as it sheds the dusty coat it has accumulated over the past four years.

Filed Under: RSS Kosmos

Observation of Generalized Optomechanical Coupling and Cooling on Cavity Resonance

26.01.2015 by Kaido Reivelt

Author(s): Andreas Sawadsky, Henning Kaufer, Ramon Moghadas Nia, Sergey P. Tarabrin, Farid Ya. Khalili, Klemens Hammerer, and Roman Schnabel A new scheme for cooling a mechanical oscillator in a cavity may allow the observation of quantum effects on m…

Filed Under: RSS Teadus

Satellites for peat’s sake

26.01.2015 by Kaido Reivelt

Satellites can help us to safeguard nature’s richest carbon storehouses – peatlands.

Filed Under: RSS Kosmos

Rosetta watches comet shed its dusty coat

26.01.2015 by Kaido Reivelt

The mission is providing unique insight into the life cycle of Comet 67P/Churyumov-Gerasimenko’s dusty surface.

Filed Under: RSS Kosmos

Hilltop panorama marks Mars rover’s 11th anniversary

26.01.2015 by Kaido Reivelt

Opportunity has driven 25.9 miles (41.7 kilometers) since it arrived at the Red Planet in 2004.

Filed Under: RSS Kosmos

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