jan 28, 1827 - Uranus
Description:
1) 27 moons.2) Gas Giant.
3) Period of Rotation: 17h 14m.
4) Period of Revolution: 84 years.
5) Temperature: -224 degrees Celsius.
6) 80% of its mass is a fluid mix of water, methane, and ammonia ices.
Added to timeline:
Date:
jan 28, 1827
Now
~ 198 years ago