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Herschel moments

18.09.2017 by Kaido Reivelt

Space Science Image of the Week: Share your favourite memory of the Herschel space observatory as we celebrate the legacy of this extraordinary mission

Filed Under: RSS Kosmos

NASA’s Cassini Spacecraft Ends Its Historic Exploration of Saturn

15.09.2017 by Kaido Reivelt

NASA’s Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13-year tour of the ringed planet.

Filed Under: RSS Kosmos

NASA’s Cassini Spacecraft Ends Its Historic Exploration of Saturn

15.09.2017 by Kaido Reivelt

NASA’s Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13-year tour of the ringed planet.

Filed Under: RSS Kosmos

Week in Images

15.09.2017 by Kaido Reivelt

Our week through the lens: 11-15 September 2017

Filed Under: RSS Kosmos

Parting views

15.09.2017 by Kaido Reivelt


Cassini’s last look around Saturn’s neighbourhood before concluding its 13-year journey of discovery

Filed Under: RSS Kosmos

App Camp wrap-up

15.09.2017 by Kaido Reivelt


Follow the presentation of projects from this year’s Space App Camp via live webstream at 08:30–13:00 CEST on 18 September

Filed Under: RSS Kosmos

Cassini concludes pioneering mission at Saturn

15.09.2017 by Kaido Reivelt

The international Cassini mission has concluded its remarkable exploration of the Saturnian system in spectacular style, by plunging into the gas planet’s atmosphere.

Filed Under: RSS Kosmos

Galileos set to fly on Ariane 6

15.09.2017 by Kaido Reivelt

Four of the latest set of Galileo navigation satellites will be launched on Ariane 6 rockets – ESA’s first contract to use Europe’s new vehicle.

Filed Under: RSS Kosmos

Cassini meets its end

15.09.2017 by Kaido Reivelt

A chapter in the exploration of the outer solar system ends. Hopefully, it will someday resume.

Filed Under: RSS Kosmos

Spontaneous Formation of Vector Vortex Beams in Vertical-Cavity Surface-Emitting Lasers with Feedback

15.09.2017 by Kaido Reivelt

Author(s): Jesus Jimenez-Garcia, Pedro Rodriguez, T. Guillet, and T. AckemannA simple laser setup has spontaneously produced nonuniform polarization patterns called vector vortices.[Phys. Rev. Lett. 119, 113902] Published Fri Sep 15, 2017

Filed Under: RSS Teadus

Emergence of Type-II Dirac Points in Graphynelike Photonic Lattices

15.09.2017 by Kaido Reivelt

Author(s): Georgios G. Pyrialakos, Nicholas S. Nye, Nikolaos V. Kantartzis, and Demetrios N. ChristodoulidesThe band structure of an all-dielectric, non-centrosymmetric photonic lattice is predicted to exhibit both type-I and type-II Dirac points.[Phys…

Filed Under: RSS Teadus

Earth through different eyes

15.09.2017 by Kaido Reivelt

In the 1960s, photographs of Earth taken by the first astronauts captured the imaginations of people across the world. The pictures not only became icons for space exploration, but also the fragility of our planet. But astronauts were not …

Filed Under: RSS Kosmos

Syracuse

15.09.2017 by Kaido Reivelt

Earth observation image of the week: the southeastern coast of the Italian island of Sicily, also featured on the Earth from Space video programme

Filed Under: RSS Kosmos

Which bulb is brighter? It depends on connection! Strategies for illuminating electrical concepts using light bulbs

15.09.2017 by Kaido Reivelt

In this paper, we examined teachers’ understanding of electrical concepts such as power, current and
potential difference based on how these concepts were applied to understand the relative brightness
seen in bulbs of different wattage under differ…

Filed Under: RSS Füüsikaharidus

GRACE Mission Making Plans for Final Science Data Collection

14.09.2017 by Kaido Reivelt

With one of its twin satellites almost out of fuel after 15 years measuring Earth’s gravity field, the U.S./German GRACE mission is making plans for a final science collection.

Filed Under: RSS Kosmos

GRACE Mission Making Plans for Final Science Data Collection

14.09.2017 by Kaido Reivelt

With one of its twin satellites almost out of fuel after 15 years measuring Earth’s gravity field, the U.S./German GRACE mission is making plans for a final science collection.

Filed Under: RSS Kosmos

Cassini-Huygens

14.09.2017 by Kaido Reivelt

Operations image of the week: ESA mission control in 2005 as data arrive from the Huygens Titan lander, relayed by NASA’s Cassini spacecraft

Filed Under: RSS Kosmos

Diet tracker in space

14.09.2017 by Kaido Reivelt

Whether you are on a diet or just want to be healthier, you might be one of those millions of people around the planet who use a mobile app to track everything you eat. The trend has arrived in space: European astronauts are now logging th…

Filed Under: RSS Kosmos

Earth from Space

14.09.2017 by Kaido Reivelt


Join us Friday, 15 September, at 10:00 CEST for the ‘Earth from Space’ video programme

Filed Under: RSS Kosmos

Goodbye, Cassini

14.09.2017 by Kaido Reivelt

Counting down the final moments of Saturn’s epic spacecraft.

Filed Under: RSS Kosmos

Temperature Scaling Law for Quantum Annealing Optimizers

14.09.2017 by Kaido Reivelt

Author(s): Tameem Albash, Victor Martin-Mayor, and Itay Hen

Calculations show that quantum annealing—the quantum computing method used in a commercially available device—is hampered by thermal effects.


[Phys. Rev. Lett. 119, 110502] Published Thu Sep 14, 2017

Filed Under: RSS Teadus

Sentinel-5P launch preparations in full swing

14.09.2017 by Kaido Reivelt

With liftoff set for 13 October, engineers at Russia’s Plesetsk launch site are steaming ahead with the task of getting Europe’s next Copernicus satellite ready for its journey into orbit.

Filed Under: RSS Kosmos

Splashdown! Crashing into martian mud

14.09.2017 by Kaido Reivelt

An impactor smashing into an ice-rich surface gave rise to the complex flow features around this ancient crater on Mars.

Filed Under: RSS Kosmos

Burn scars

14.09.2017 by Kaido Reivelt

Before and after the wildfires in Portugal with Sentinel-3A

Filed Under: RSS Kosmos

Nuclear science and society: social inclusion through scientific education

14.09.2017 by Kaido Reivelt

This article presents a web-based educational project focused on the potential value of Information
and Communication Technology to enhance communication and education on nuclear science throughout
Brazil. The project is designed to provide trustwort…

Filed Under: RSS Füüsikaharidus

Using the Arduino with MakerPlot software for the display of electrical device characteristics

14.09.2017 by Kaido Reivelt

This paper shows how very simple circuitry attached to an Arduino microcontroller with MakerPlot
software can be used for the display of electrical characteristic curves of three commonly available
devices: an ohmic resistor, an LED, and a tungsten-f…

Filed Under: RSS Füüsikaharidus

NASA’s Curiosity Mars Rover Climbing Toward Ridge Top

13.09.2017 by Kaido Reivelt

NASA’s Mars rover Curiosity has begun the steep ascent of an iron-oxide-bearing ridge that’s grabbed scientists’ attention since before the car-sized rover’s 2012 landing.

Filed Under: RSS Kosmos

NASA’s Curiosity Mars Rover Climbing Toward Ridge Top

13.09.2017 by Kaido Reivelt

NASA’s Mars rover Curiosity has begun the steep ascent of an iron-oxide-bearing ridge that’s grabbed scientists’ attention since before the car-sized rover’s 2012 landing.

Filed Under: RSS Kosmos

Cassini Spacecraft Makes Its Final Approach to Saturn

13.09.2017 by Kaido Reivelt

NASA’s Cassini spacecraft is on final approach to Saturn, following confirmation by navigators that it is on course to dive into the planet’s atmosphere on Friday, Sept. 15.

Filed Under: RSS Kosmos

Cassini Spacecraft Makes Its Final Approach to Saturn

13.09.2017 by Kaido Reivelt

NASA’s Cassini spacecraft is on final approach to Saturn, following confirmation by navigators that it is on course to dive into the planet’s atmosphere on Friday, Sept. 15.

Filed Under: RSS Kosmos

Seeing double

13.09.2017 by Kaido Reivelt

Technology image of the week: the simulated multi-sensor view from a debris-catching chaser mission, targeting a derelict satellite

Filed Under: RSS Kosmos

Rock recognition

13.09.2017 by Kaido Reivelt

Human spaceflight and robotic exploration image of the week: Pangaea geology course field trip

Filed Under: RSS Kosmos

Cassini’s final hours by the numbers

13.09.2017 by Kaido Reivelt

With a day and a half to go until Cassini’s demise, here’s what you need to know about the intrepid spacecraft.

Filed Under: RSS Kosmos

New Horizons is awake again

13.09.2017 by Kaido Reivelt

It’s time to test the spacecraft’s systems as it flies deeper into the Kuiper Belt.

Filed Under: RSS Kosmos

Self-Interacting Dark Matter Can Explain Diverse Galactic Rotation Curves

13.09.2017 by Kaido Reivelt

Author(s): Ayuki Kamada, Manoj Kaplinghat, Andrew B. Pace, and Hai-Bo Yu

Dark matter that interacts with itself provides a better description of the speeds of stars in galaxies than dark matter that doesn’t self-interact.


[Phys. Rev. Lett. 119, 111102] Published Wed Sep 13, 2017

Filed Under: RSS Teadus

Earth from Space

13.09.2017 by Kaido Reivelt


ESA’s Kevin McMullan and Claus Zehner join the Earth from Space video programme from the cleanroom to discuss the Sentinel-5P satellite and its mission

Filed Under: RSS Kosmos

Modern projection of the old electroscope for nuclear radiation quantitative work and demonstrations

13.09.2017 by Kaido Reivelt

Although quantitative measurements in radioactivity teaching and research are only believed to be
possible with high technology, early work in this area was fully accomplished with very simple
apparatus such as zinc sulphide screens and electroscopes…

Filed Under: RSS Füüsikaharidus

Speed of transverse waves in a string revisited

13.09.2017 by Kaido Reivelt

In many introductory-level physics textbooks, the derivation of the formula for the speed of
transverse waves in a string is either omitted altogether or presented under physically overly
idealized assumptions about the shape of the considered wave p…

Filed Under: RSS Füüsikaharidus

Nuclear cartography: patterns in binding energies and subatomic structure

13.09.2017 by Kaido Reivelt

Nuclear masses and binding energies are some of the first nuclear properties met in high school
physics, and can be used to introduce radioactive decays, fusion, and fission. With relatively
little extension, they can also illustrate fundamental conc…

Filed Under: RSS Füüsikaharidus

If aliens exist on other worlds, they could spy on us

12.09.2017 by Kaido Reivelt

I always feel like, somebody’s watchin’ me…

Filed Under: RSS Kosmos

All Entangled States can Demonstrate Nonclassical Teleportation

12.09.2017 by Kaido Reivelt

Author(s): Daniel Cavalcanti, Paul Skrzypczyk, and Ivan Šupić

A new benchmark for quantum teleportation shows that more entangled states are viable for this that previously thought.


[Phys. Rev. Lett. 119, 110501] Published Tue Sep 12, 2017

Filed Under: RSS Teadus

Improved Noninterferometric Test of Collapse Models Using Ultracold Cantilevers

12.09.2017 by Kaido Reivelt

Author(s): A. Vinante, R. Mezzena, P. Falferi, M. Carlesso, and A. BassiOscillations of a microcantilever at milliKelvin temperature have been accurately measured, leading to more stringent limits on the collapse parameters of wave functions and reveal…

Filed Under: RSS Teadus

How to follow Cassini’s end of mission

12.09.2017 by Kaido Reivelt

The international Cassini mission reaches its dramatic finale this Friday by plunging into Saturn’s atmosphere, concluding 13-years of exploration around the ringed planet.

Filed Under: RSS Kosmos

Cassini Makes its ‘Goodbye Kiss’ Flyby of Titan

11.09.2017 by Kaido Reivelt

NASA’s Cassini spacecraft is headed toward its Sept. 15 plunge into Saturn, following a final, distant flyby of the planet’s giant moon Titan.

Filed Under: RSS Kosmos

Cassini Makes its ‘Goodbye Kiss’ Flyby of Titan

11.09.2017 by Kaido Reivelt

NASA’s Cassini spacecraft is headed toward its Sept. 15 plunge into Saturn, following a final, distant flyby of the planet’s giant moon Titan.

Filed Under: RSS Kosmos

Ringed beauty

11.09.2017 by Kaido Reivelt


One of Cassini’s last looks at Saturn and its main rings from a distance

Filed Under: RSS Kosmos

Observation of the Doubly Charmed Baryon ${\mathrm{Ξ}}_{cc}^{++}$

11.09.2017 by Kaido Reivelt

Author(s): R. Aaij et al. (LHCb Collaboration)High-precision experiments at CERN find a new baryon containing two charm quarks.[Phys. Rev. Lett. 119, 112001] Published Mon Sep 11, 2017

Filed Under: RSS Teadus

Uranus is a dangerous place for its moons

11.09.2017 by Kaido Reivelt

In a few million years, things are going to get ugly.

Filed Under: RSS Kosmos

Goodbye kiss

11.09.2017 by Kaido Reivelt


Space Science Image of the Week: As Cassini makes its last flyby of Titan today, setting it on course for Friday’s mission end, we recall Huygens’ descent to this mysterious moon

Filed Under: RSS Kosmos

Week in Images

8.09.2017 by Kaido Reivelt

Our week through the lens: 4-8 September 2017

Filed Under: RSS Kosmos

Astronomers find the best evidence yet for a midsized black hole

8.09.2017 by Kaido Reivelt

A cloud of gas in our galaxy’s center might house this long-sought-after object.

Filed Under: RSS Kosmos

Effects of Trimethylamine-$N$-oxide on the Conformation of Peptides and its Implications for Proteins

8.09.2017 by Kaido Reivelt

Author(s): Zhaoqian Su, Farbod Mahmoudinobar, and Cristiano L. DiasThe stabilization of folded proteins via the osmolyte TMAO is studied theoretically using molecular dynamics simulations, providing new insights in to the molecular mechanisms behind th…

Filed Under: RSS Teadus

Superpropulsion of Droplets and Soft Elastic Solids

8.09.2017 by Kaido Reivelt

Author(s): Christophe Raufaste, Gabriela Ramos Chagas, Thierry Darmanin, Cyrille Claudet, Frédéric Guittard, and Franck Celestini

An oscillating surface can propel a drop of water or a springy ball upward at a speed higher than that of the moving surface.


[Phys. Rev. Lett. 119, 108001] Published Fri Sep 08, 2017

Filed Under: RSS Teadus

Negative Longitudinal Magnetoresistance from the Anomalous $N=0$ Landau Level in Topological Materials

8.09.2017 by Kaido Reivelt

Author(s): B. A. Assaf, T. Phuphachong, E. Kampert, V. V. Volobuev, P. S. Mandal, J. Sánchez-Barriga, O. Rader, G. Bauer, G. Springholz, L. A. de Vaulchier, and Y. Guldner

Analysis of the magnetoresistance of topological insulators indicates that the bulk of these materials is more topologically interesting than previously thought.


[Phys. Rev. Lett. 119, 106602] Published Fri Sep 08, 2017

Filed Under: RSS Teadus

QCD Coupling from a Nonperturbative Determination of the Three-Flavor $\mathrm{Λ}$ Parameter

8.09.2017 by Kaido Reivelt

Author(s): Mattia Bruno, Mattia Dalla Brida, Patrick Fritzsch, Tomasz Korzec, Alberto Ramos, Stefan Schaefer, Hubert Simma, Stefan Sint, and Rainer Sommer (ALPHA Collaboration)The magnitude of the strong nuclear force is precisely predicted with lattic…

Filed Under: RSS Teadus

Interatomic Coulombic Decay: The Mechanism for Rapid Deexcitation of Hollow Atoms

8.09.2017 by Kaido Reivelt

Author(s): Richard A. Wilhelm, Elisabeth Gruber, Janine Schwestka, Roland Kozubek, Teresa I. Madeira, José P. Marques, Jacek Kobus, Arkady V. Krasheninnikov, Marika Schleberger, and Friedrich Aumayr

Interatomic Coulomb decay is shown to cause the ultrafast neutralization and de-excitation of atoms after they impact a surface.


[Phys. Rev. Lett. 119, 103401] Published Fri Sep 08, 2017

Filed Under: RSS Teadus

Hydrogen Clathrate Structures in Rare Earth Hydrides at High Pressures: Possible Route to Room-Temperature Superconductivity

8.09.2017 by Kaido Reivelt

Author(s): Feng Peng, Ying Sun, Chris J. Pickard, Richard J. Needs, Qiang Wu, and Yanming MaA first-principles search among possible rare earth hydrogen clathrate structures under high pressure predicts that one of them, YH10, is a potential room-tempe…

Filed Under: RSS Teadus

After Cassini: Pondering the Saturn Mission’s Legacy

7.09.2017 by Kaido Reivelt

As the Cassini spacecraft nears the end of a long journey rich with scientific and technical accomplishments, it is already having a powerful influence on future exploration.

Filed Under: RSS Kosmos

After Cassini: Pondering the Saturn Mission’s Legacy

7.09.2017 by Kaido Reivelt

As the Cassini spacecraft nears the end of a long journey rich with scientific and technical accomplishments, it is already having a powerful influence on future exploration.

Filed Under: RSS Kosmos

NASA/UCI Find Evidence of Sea Level ‘Fingerprints’

7.09.2017 by Kaido Reivelt

For the first time, scientists have detected sea level “fingerprints” — patterns of variation in global sea level due to changes in water and ice on land — in GRACE data.

Filed Under: RSS Kosmos

NASA/UCI Find Evidence of Sea Level ‘Fingerprints’

7.09.2017 by Kaido Reivelt

For the first time, scientists have detected sea level “fingerprints” — patterns of variation in global sea level due to changes in water and ice on land — in GRACE data.

Filed Under: RSS Kosmos

Ciao Darmstadt, Ciao ESOC!

7.09.2017 by Kaido Reivelt

Paolo Nespoli sends a video greeting from the International Space Station to everyone at ESA’s European Space Operations Centre on the occasion of its 50th anniversary

Filed Under: RSS Kosmos

Earth from Space

7.09.2017 by Kaido Reivelt


Join us Friday, 8 September, at 10:00 CEST for the ‘Earth from Space’ video programme

Filed Under: RSS Kosmos

NASA’s SDO catches the brightest solar flare in over a decade

7.09.2017 by Kaido Reivelt

Our Sun threw out two large flares the morning of September 6, and it may not be done.

Filed Under: RSS Kosmos

Competition between Polar and Nonpolar Lattice Distortions in Oxide Quantum Wells: New Critical Thickness at Polar Interfaces

7.09.2017 by Kaido Reivelt

Author(s): J. Gazquez, M. Stengel, R. Mishra, M. Scigaj, M. Varela, M. A. Roldan, J. Fontcuberta, F. Sánchez, and G. Herranz

The balance between two competing order parameters can be controlled by quantum confinement to stabilize a perovskite compound into one of two possible phases.


[Phys. Rev. Lett. 119, 106102] Published Thu Sep 07, 2017

Filed Under: RSS Teadus

Happy birthday ESOC

7.09.2017 by Kaido Reivelt

Fifty years ago tomorrow, the European Space Operations Centre was inaugurated in Darmstadt, Germany. Since then, the centre has become known worldwide as Europe’s ‘Gateway to Space’. 

Filed Under: RSS Kosmos

Downhill cycling symmetry breaking: how the rider foils experiment

7.09.2017 by Kaido Reivelt

In high-school teaching of mechanics, we deal, among other things, with the nature of static and
kinetic friction, forces that are proportional to the normal force. Under the influence of
frictional forces, a body moves down a rough sloped decline at…

Filed Under: RSS Füüsikaharidus

An environmental dose experiment

7.09.2017 by Kaido Reivelt

Several radiation sources worldwide contribute to the delivered dose to the human population. This
radiation also acts as a natural background when detecting radiation, for instance from radioactive
sources. In this work a medium-sized plastic scinti…

Filed Under: RSS Füüsikaharidus

Surface charges and J H Poynting’s disquisitions on energy transfer in electrical circuits

7.09.2017 by Kaido Reivelt

In this paper we review applications given by J H Poynting (1884) on the transfer of electromagnetic
energy in DC circuits. These examples were strongly criticized by O Heaviside (1887). Heaviside
stated that Poynting had a misconception about the na…

Filed Under: RSS Füüsikaharidus

An environmental dose experiment

7.09.2017 by Kaido Reivelt

Several radiation sources worldwide contribute to the delivered dose to the human population. This
radiation also acts as a natural background when detecting radiation, for instance from radioactive
sources. In this work a medium-sized plastic scinti…

Filed Under: RSS Füüsikaharidus

Surface charges and J H Poynting’s disquisitions on energy transfer in electrical circuits

7.09.2017 by Kaido Reivelt

In this paper we review applications given by J H Poynting (1884) on the transfer of electromagnetic
energy in DC circuits. These examples were strongly criticized by O Heaviside (1887). Heaviside
stated that Poynting had a misconception about the na…

Filed Under: RSS Füüsikaharidus

Jupiter’s Auroras Presents a Powerful Mystery

6.09.2017 by Kaido Reivelt

Juno has observed massive amounts of energy over Jupiter’s polar regions that contribute to the giant planet’s powerful aurora.

Filed Under: RSS Kosmos

Jupiter’s Aurora Presents a Powerful Mystery

6.09.2017 by Kaido Reivelt

Juno has observed massive amounts of energy over Jupiter’s polar regions that contribute to the giant planet’s powerful aurora.

Filed Under: RSS Kosmos

Mean-Field Scaling of the Superfluid to Mott Insulator Transition in a 2D Optical Superlattice

6.09.2017 by Kaido Reivelt

Author(s): Claire K. Thomas, Thomas H. Barter, Tsz-Him Leung, Masayuki Okano, Gyu-Boong Jo, Jennie Guzman, Itamar Kimchi, Ashvin Vishwanath, and Dan M. Stamper-KurnPrecise, quantitative tests of many-body theory are carried out using ultracold atoms as…

Filed Under: RSS Teadus

Radio Frequency Magneto-Optical Trapping of CaF with High Density

6.09.2017 by Kaido Reivelt

Author(s): Loïc Anderegg, Benjamin L. Augenbraun, Eunmi Chae, Boerge Hemmerling, Nicholas R. Hutzler, Aakash Ravi, Alejandra Collopy, Jun Ye, Wolfgang Ketterle, and John M. Doyle

Significant improvements in molecular trapping techniques increase the trappable molecular density by an order of magnitude, furthering the quest for directly loading optical tweezers and lattices, and for generating a Bose-Einstein condensate of CaF.


[Phys. Rev. Lett. 119, 103201] Published Wed Sep 06, 2017

Filed Under: RSS Teadus

Spectroscopy of a Synthetic Trapped Ion Qubit

6.09.2017 by Kaido Reivelt

Author(s): David Hucul, Justin E. Christensen, Eric R. Hudson, and Wesley C. CampbellThe trapping and cooling of the radioactive isotope barium-133 offers up an attractive system for encoding quantum information.[Phys. Rev. Lett. 119, 100501] Published…

Filed Under: RSS Teadus

Wall of noise

6.09.2017 by Kaido Reivelt


Technology image of the week: the Large European Acoustic Facility, built to blast satellites with simulated launch noise, will be on view during next month’s ESA Open Day in the Netherlands

Filed Under: RSS Kosmos

Hurricane Harvey

5.09.2017 by Kaido Reivelt

Human spaceflight and robotic exploration image of the week: Hurricane Harvey seen from the International Space Station

Filed Under: RSS Kosmos

Historic adventure

5.09.2017 by Kaido Reivelt

Video footage recalling the one-of-a-kind journey of Cassini’s Huygens probe to the surface of Titan in 2005

Filed Under: RSS Kosmos

The single strange repeating fast radio burst is at it again

5.09.2017 by Kaido Reivelt

Astronomers observed 15 new pulses from this mysterious source — now at higher frequencies than ever before.

Filed Under: RSS Kosmos

Italy’s drought seen from space

5.09.2017 by Kaido Reivelt

Despite the welcome showers at the weekend, abnormally low soil-moisture conditions persist in central Italy. Scientists are using satellite data to monitor the drought that has gripped the country.

Filed Under: RSS Kosmos

Hello, Darmstadt?

5.09.2017 by Kaido Reivelt

Watch our new video: 50 years of mission control in #Darmstadt #ESOC50

Filed Under: RSS Kosmos

New era in air-quality monitoring a step away

4.09.2017 by Kaido Reivelt

The Sentinel-5P satellite has arrived in Plesetsk in northern Russia to be prepared for liftoff on 13 October. Built to deliver global maps of air pollutants every day and in more detail than ever before, this latest Copernicus mission wil…

Filed Under: RSS Kosmos

Millions of stars

4.09.2017 by Kaido Reivelt


Space Science Image of the Week: Boosting Gaia’s science return with a special sky-mapping mode

Filed Under: RSS Kosmos

Radon measurement laboratories. An educational experience based on school and university cooperation

4.09.2017 by Kaido Reivelt

There is a growing interest in engaging students and the general public about the meaning and
objectives of doing science. When it is possible students can learn by actively engaging in the
practices of science, conducting investigations, sharing ide…

Filed Under: RSS Füüsikaharidus

Understanding the Doppler effect by analysing spectrograms of the sound of a passing vehicle

4.09.2017 by Kaido Reivelt

The purpose of this paper is to demonstrate how the Doppler effect can be analysed to deduce
information about a moving source of sound waves. Specifically, we find the speed of a car and the
distance of its closest approach to an observer using soun…

Filed Under: RSS Füüsikaharidus

ESA retrieves NASA astronauts with new procedure in wake of hurricane

3.09.2017 by Kaido Reivelt

Russian cosmonaut Fyodor Yurchikhin and NASA astronauts Jack Fischer and Peggy Whitson returned to Earth this morning after their stay on the International Space Station, landing in the steppes of Kazakhstan. From there, Jack and Peggy flew to ESA’s European Astronaut Centre in Cologne, Germany.

Filed Under: RSS Kosmos

Facing the Sun

3.09.2017 by Kaido Reivelt


Space Science Image of the Week: ESA’s Solar Orbiter will face the Sun from within the orbit of Mercury

Filed Under: RSS Kosmos

Week in Images

1.09.2017 by Kaido Reivelt

Our week through the lens: 28 August – 1 September 2017

Filed Under: RSS Kosmos

There may be a fighting chance for TRAPPIST-1’s planet habitability

1.09.2017 by Kaido Reivelt

Ultraviolet radiation reaches the outer planets, improving the chances for liquid water.

Filed Under: RSS Kosmos

Apply to Be a NASA Solar System Ambassador

31.08.2017 by Kaido Reivelt

Could you be one of them? If you want to share your passion of space with the public, being a NASA Solar System Ambassador is the perfect platform to do so.

Filed Under: RSS Kosmos

Apply to Be a NASA Solar System Ambassador

31.08.2017 by Kaido Reivelt

Could you be one of them? If you want to share your passion of space with the public, being a NASA Solar System Ambassador is the perfect platform to do so.

Filed Under: RSS Kosmos

Thermometer Effect: Origin of the Mixed Alkali Effect in Glass Relaxation

31.08.2017 by Kaido Reivelt

Author(s): Yingtian Yu, Mengyi Wang, Morten M. Smedskjaer, John C. Mauro, Gaurav Sant, and Mathieu BauchyLoss of calibration of alkali glass thermometers is due to changes in the oxygen coordination numbers of the different types of alkali atoms.[Phys….

Filed Under: RSS Teadus

Birefringent Stable Glass with Predominantly Isotropic Molecular Orientation

31.08.2017 by Kaido Reivelt

Author(s): Tianyi Liu, Annemarie L. Exarhos, Ethan C. Alguire, Feng Gao, Elmira Salami-Ranjbaran, Kevin Cheng, Tiezheng Jia, Joseph E. Subotnik, Patrick J. Walsh, James M. Kikkawa, and Zahra FakhraaiBirefringence in a stable glass is shown, through pho…

Filed Under: RSS Teadus

Hipster hair

31.08.2017 by Kaido Reivelt


Operations image of the week: Long before #MohawkGuy, ESA’s mission control had #HipsterHair

Filed Under: RSS Kosmos

Asteroid Florence will pass safely by Earth

31.08.2017 by Kaido Reivelt

Keep an eye out for the asteroid on Friday.

Filed Under: RSS Kosmos

NASA may make a mechanical computer to navigate Venus’ surface

31.08.2017 by Kaido Reivelt

21st century, meet IRL steampunk.

Filed Under: RSS Kosmos

Close encounters of the stellar kind

31.08.2017 by Kaido Reivelt

The movements of more than 300 000 stars surveyed by ESA’s Gaia satellite reveal that rare close encounters with our Sun might disturb the cloud of comets at the far reaches of our Solar System, sending some towards Earth in the distant future.

Filed Under: RSS Kosmos

Free fall and the equivalence principle revisited

31.08.2017 by Kaido Reivelt

Free fall is commonly discussed as an example of the equivalence principle, in the context of a
homogeneous gravitational field, which is a reasonable approximation for small test masses falling
moderate distances. Newton’s law of gravity provides …

Filed Under: RSS Füüsikaharidus

NASA Working with Partners to Provide Harvey Response

30.08.2017 by Kaido Reivelt

NASA is using its assets and expertise from across the agency, including from JPL, to help respond to Hurricane/Tropical Storm Harvey.

Filed Under: RSS Kosmos

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