The orbital period of a geosynchronous satellite is
A) 23 hours 56 minutes.
B) 24 hours.
C) 365.25 days.
D) 12 years.
E) 26,000 years.
Question 2
What evidence supports the theory that elliptical galaxies come from denser clouds?
A) Elliptical galaxies are denser than spiral galaxies.
B) Elliptical galaxies are generally larger than spiral galaxies.
C) Elliptical galaxies at high redshifts lack young, blue stars.
D) Elliptical galaxies have more gas than spiral galaxies.
E) Elliptical galaxies have denser stars than spiral galaxies.