Astronomy Picture of the Day . ... Maybe the Moon owns our hearts, but this won't stop the occasional asteroid from sending us a valentine. Friday, to the surprise of many, the NEAR mission on approach to asteroid 433 EROS photographed what appears to be a heart-shaped depression. Southwest Mercury . ... Get out your red/blue glasses and launch yourself into this stereo picture of Saturn! ... On December 23, 1998 the Near Earth Asteroid Rendezvous (NEAR) spacecraft flew by asteroid 433 Eros. ...