Where a Main Sequence Star Is Located on the H-R

Q20: If the density of the universe is

Q21: Stonehenge is an ancient observatory built in<br>A)ancient

Q22: The greater the apparent magnitude, the brighter

Q23: It is known that if there is

Q24: When a massive star exhausts its supply

Q26: The eventual fate of our Sun is

Q27: Red giants are enormously bright because they

Q28: The Milky Way galaxy is<br>A)spiral.<br>B)elliptical.<br>C)globular.<br>D)spherical.

Q29: The expected life span of a star

Q30: How far Polaris appears above the horizon