... Celebrating 7 years on the surface of the Red Planet, Mars exploration rover Opportunity now stands near the rim of 90 meter wide Santa Maria crater. ... Featured in this artist's illustration, NASA's NanoSail-D finally unfurled a very thin, 10 square meter reflective sail on January 20th, becoming the first solar sail spacecraft in low Earth orbit. ... The Whirlpool Galaxy in Infrared Dust . ... The moon pictured above is not Earth's moon but Phobos, the closest moon to the planet Mars. ... January...