Astronomy Picture of the Day . Mars Soil Sample Ready to Analyze . ... To help find out, the Phoenix Lander Phoenix Lander which arrived on Mars two weeks ago has attempted to place a scoop of soil in Phoenix's Thermal and Evolved-Gas Analyzer (TEGA). ... Two Armed Spiral Milky Way . ... The Spitzer Space Telescope's encompasing infrared view of the plane of our Milky Way Galaxy is hard to appreciate in just one picture. ... Unusual Light Patch Under Phoenix Lander on Mars . ...