What's Hot This Week Cosmic Rose Blooms in Star Cluster Photo By SPACE.com Staff A bright star cluster surrounded by iridescent red gas looks like a blooming cosmic rose in a new photo from the European Southern Observatory's Very Large Telescope.     NASA Spacecraft Snaps 1st Photo of Mercury from Orbit By SPACE.com Staff The first spacecraft ever to circle Mercury has beamed home the first-ever photo taken of the small rocky planet from orbit, showing a stark landscape peppered with craters.     Sponsored by: Are You There, Spirit? NASA's Stuck Mars Rover Passes a Year in Silence New Views of Mercury From NASA's Messenger Probe Most Enduring Mysteries of Mercury Infographic: NASA's Messenger Mission to Mercury Astronauts Fold 'Extraterrestrial' Origami Cranes for Japan Disaster Victims

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