Definition of thanksgiving for English Language Learners. Thanksgiving : the fourth Thursday in November in the U.S. or the second Monday in October in Canada celebrated as a legal holiday for people to be thankful for what they have.
A galaxy contains stars, gas and dust. In a spiral galaxy like the Milky Way, the stars, gas, and dust are organized into a bulge, a disk containing spiral arms, and a halo.. Elliptical galaxies have a bulge-like central region and a halo, but do not have a disk.
1 Open cluster NGC 6025, globular cluster NGC 6139, and planetary nebula NGC 6153. 2  Sky This Week for August 5 to August 14, 2016. 3  Perseid meteor shower set for its best show in nearly 20 years.  Open cluster NGC 5822, spiral galaxy NGC 5962, and spiral galaxy NGC 5965.