The universe
Facts about the planet Pluto
Discovery: Pluto was discovered in 1930 by Clyde Tombaugh. By 1905, however, Percival Lowell had already learned of the existence of ...
Facts about the planet Uranus
The sun: Uranus is the seventh planet from the sun. The distance from Uranus to the Sun is 2.9 trillion kilometers ...
Facts about the planet Neptune
The sun: Neptune is the eighth planet from the sun. The distance from Neptune to the sun is approximately 4.5 trillion ...
Neptune’s discovery and exploration
Neptune was the first planet to be found via mathematical predictions rather than celestial observations. When Uranus eventually failed to ...
Facts about the planet Saturn
The sun: Saturn is the sixth planet from the sun. Its distance to the sun is 1.4 trillion kilometers Visibility: Only 5 ...
Facts about the planet Jupiter
The sun: Jupiter is the fifth planet from the sun. Its distance to the sun is approximately 778 million km Day: 1 ...
Facts about the planet Mars
The sun: Mars is the fourth planet from the sun. Its distance to the sun is approximately 228 million km Day: 1 ...
Facts about the planet Venus
Rotation: Venus rotates backwards (retrograde rotation) compared to most other planets, meaning the sun rises in the west and sets in ...
Facts about the planet Mercury
Size: Mercury is the smallest planet in our solar system; it is only slightly larger than Earth’s moon The sun: Although Mercury ...
