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.
In the article What is the closest galaxy to the Milky Way? on universetoday.com author Matt Williams reveals the interesting facts about the Canis Major Dwarf galaxy. Many have thought that the Andromeda galaxy was the closest to the Milky Way, but it is the closest spiral galaxy. The Canis Major Dwarf Galaxy is about 25,000 light years from Earth meaning that this galaxy is closer to the solar system than we are to the center of the Milky Way.