The sun is 330,330 times larger than the earth!
190
If two pieces of metal touch in space, they become permanently stuck together.
808
The heart of an astronaut actually gets smaller when in outer space.
216
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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Jupiter's moon Ganymede, is larger than the planet Mercury!
149