Astronomy Picture of the Day . ... The two frames were taken several hours apart by the Soft X-ray Telescope on board the orbiting Yohkoh observatory. ... Rapidly transmitting a series of pictures to ground controllers, its camera recorded this one at an altitude of about 11 kilometers, 5 seconds before impacting the lunar surface. ... Asia at Night . ... Noctilucent Clouds . ... Hundreds of galaxies appear as faint smudges of light in this Hubble Space Telescope picture of galaxy cluster MS1054-03. ...