There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
The earth rotates more slowly on its axis in March than in September.
145
The light hitting the earth right now is 30 thousand years old.
163
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The Earth gets 100 tons heavier every day due to falling space dust.
673
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Today's top fuel dragsters take off with more force than the space shuttle.
120
Pluto is smaller than Russia.
9