Astronauts get taller when they are in space.
224
There are two golf balls sitting on the moon.
721
The earth travels through space at 660,000 miles per hour.
189
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178