The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
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
Some asteroids have other asteroids orbiting them.
131
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The heart of an astronaut actually gets smaller when in outer space.
216
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The earth rotates more slowly on its axis in March than in September.
145
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5