A comet's tail always points away from the sun.
2
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
41% of the moon is not visible from earth at any time.
103
If two pieces of metal touch in space, they become permanently stuck together.
808
There are two golf balls sitting on the moon.
721
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31