an object is 10 light years from earth
earth is over_400_million_years_old. earth is one_astronomical_unit_from_sun. andromeda_galaxy is over_2.2_million_light_years_away. earth is over_5_billion_years_old. earth is 4.5_billion_years_old. earth is billions_of_years_old. sun is 93,000,000_miles_from_earth. sun is approximately_93,000,000_miles_from_earth. earth_year is 365_days_long. light_year is astronomy_unit.