How much larger than the Earth is an astronomical unit? How many kilometers equals one astronomical unit? What is the distance light travels in one year? How many meters are there in 1.00 light-year? How many meters are there in one light-year?
How far is Aldebaran from Earth? How much larger than the Earth is an astronomical unit? How many galaxies has the Hubble Telescope discovered? What is a light year used to measure? How far has the Fermi Gamma-Ray Space Telescope traveled?
One astronomical unit (AU) averages about how many meters? Approximately how many kilometers is the average distance between the Sun and the Earth? How many light minutes are there in one astronomical unit? How does an astronomical unit differ from a light year? How much larger than the Ear...