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 typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Jupiter is bigger than all the other planets combined.
254
Summer on Uranus lasts for 21 years.
358
The earth travels through space at 660,000 miles per hour.
189
A comet's tail always points away from the sun.
2
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236