The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The heart of an astronaut actually gets smaller when in outer space.
216
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Astronauts cannot burp in space.
232
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Summer on Uranus lasts for 21 years.
358