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.
NGC 972 is a spiral galaxy located in the northern corner of the Aries constellation. It has an apparent magnitude of 12.1. NGC 697 is another spiral galaxy in Aries, located northwest of Beta Arietis. It has a magnitude of 12.7.GC 772, or Arp 78, is an unbarred spiral galaxy in Aries. It is located about 130 light years from Earth and has an apparent magnitude of 11.3. The galaxy lies southeast of Beta Arietis. Two supernovae were discovered in the galaxy, SN 2003 hl and SN 2993 iq.