Red and Orange Stars Are Found Evenly Spread Throughout the Galactic

Q16: What do we mean by a protogalactic

Q17: What is an ionization nebula?<br>A) A region

Q19: Which of the following molecules is the

Q20: How do disk stars orbit the center

Q24: How did star formation likely proceed in

Q43: Observational Bias: The history of human understanding

Q47: Where do most dust grains form?<br>A)in supernovae<br>B)in

Q58: We can see most of the Milky

Q61: All heavy elements are made during supernova

Q72: Briefly describe how we can use the