The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The population of the Earth has more than doubled since 1950.
151
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20