Some interesting information about our Solar System

You do NOT need to memorize this for class

(many numbers have been rounded)

 

Gravity

m/s/s

Gravitational ratio compared to Earth % of Earth's gravity Diameter compared to Earth time require for one Solar revolution AU Time required for light to travel from the Sun
Earth 9.8 1 100% 100% 365.35 days 1 8.5 minutes
the moon 1.6 .163 16% 25% 365.25 days   1.28 seconds
Mercury 3.72 .379 38% 40% 88 days .387 3.23 minutes
Venus 9.31 .95 95% 95% 243 days .722 6.12 minutes
Mars 3.72 .379 38% 50% 687 days 1.52 12.75 minutes
Jupiter 24.79 2.53 253% 11X 12 years 5.2 44 minutes
Saturn 10.49 1.07 107% 9X 29.5 years 9.58

1 hour,

20 minutes

Uranus 8.82 .9 90% 4X 84 years 19.2

2 hours,

43 minutes

Neptune 11.2 1.14 114% 4X 164 years 30.1

4 hours,

15 minutes

Pluto .69 .07 7% 20% 247 years 39.5

5 hours,

30 minutes

The Sun 274 27.96 2796% 109X NA NA NA