The Earth is a System
Week 1 astronomy handout
What is a galaxy?
Andrzej Radosz Institute of Physics Wroclaw University of Technology [email protected] A (very) Short Story of the Big Bang.
Milky Way Galaxy. A galaxy is a group of stars, dust, and gases held together by gravity.
Large planetary system consisting of a combination of many smaller planetary systems and objects.
Do Now Put the following in order from largest to smallest Galaxy Earth’s Moon Sun Universe Planet (Earth) Solar system What is the name of our Galaxy?
NGC4603 Cepheids in NGC4603 Planetary Nebula Luminosity Function Number.
25 Chapter 25 Beyond Our Solar System. The Milky Way Galaxy 25.3 The Universe A galaxy is a group of stars, dust, and gases held together by gravity.
