light year (ly) 9.460536207× 1012 km = 63,240 A.U.
parsec (pc) 3.08567802× 1013 km = 206,265 A.U
sidereal year 365.2564 days
tropical year 365.2422 days
Gregorian year 365.2425 days
Earth mass 5.9736× 1024 kilograms
Sun mass 1.9891× 1030 kg = 332,980 × Earth
mean Earth radius 6371 kilometers
Sun radius 6.96265 × 105 km = 109 × Earth
Sun luminosity 3.827× 1026 watts
No comments:
Post a Comment