Ch. 15 Galaxies & Foundations of Cosmology Animations by Slide

33 Are bright stars near or luminous?

34 Solar System Size Through Radar Ranging

45 Using Cepheid Variables as Standard Candles

46 Using White-Dwarf Supernova as Standard Candles

52 Discovering Hubble Law

62 Estimating the Age of the Universe

63 Two Possible Explanations for the Cause of Hubble Law

64 Hubble Expansion of the Universe (Balloon Surface)

68 Cosmological Redshift

85 Different Types of Galaxy Formation

93 Galaxy Collision

103 M87 Black Hole