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 weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Earth gets 100 tons heavier every day due to falling space dust.
673
A comet's tail always points away from the sun.
2
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Jupiter is bigger than all the other planets combined.
254