Pluto is smaller than Russia.
9
Jupiter is bigger than all the other planets combined.
254
Lightning strikes about 6,000 times per minute on this planet!
158
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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 heart of an astronaut actually gets smaller when in outer space.
216
Summer on Uranus lasts for 21 years.
358