NASA will celebrate the 45th annual Earth Day April 17-22 with a variety of live and online activities to engage the public in the agency’s mission to better understand and protect our home planet.
Elu, loodus, teadus ja tehnoloogia
NASA will celebrate the 45th annual Earth Day April 17-22 with a variety of live and online activities to engage the public in the agency’s mission to better understand and protect our home planet.