This image depicting the porosity of the lunar highland crust was derived using bulk density data from NASA’s GRAIL mission and independent grain density measurements from NASA’s Apollo moon mission samples, as well as orbital remote-sensing data. Image credit: SA/JPL-Caltech/ IPGP
For well over a year now, two washer-machine sized twin spacecraft […]
International Space Station astronaut Terry Virts (@AstroTerry) tweeted this image of a Vulcan hand salute from orbit as a tribute to actor Leonard Nimoy, who died on Friday, Feb. 27, 2015. Nimoy played science officer Mr. Spock in the Star Trek series that served as an inspiration to generations of scientists, engineers and sci-fi fans around the world.
Cape Cod and Boston, Massachusetts, Nimoy's home town, are visible through the station window. Read More