If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
The earth travels through space at 660,000 miles per hour.
189
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
Venus is the only planet that rotates clockwise.
310
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
Jupiter's moon Ganymede, is larger than the planet Mercury!
149