... Clouds of glowing gas mingle with lanes of dark dust in the Trifid Nebula, a star forming region toward the constellation of Sagittarius. ... But when a bright comet passed in front of a bright star cluster last month, binoculars and cameras were able to show off their marked differences in dramatic fashion. Elliptical Galaxy M87 . ... M87 is much bigger than an average.. A Rare Annular Venusian Solar Eclipse . ... Last week, for the first time in over 100 years, the planet Venus took a turn. ...