Sound doesn't travel in space.
255
A comet's tail always points away from the sun.
2
Pluto is smaller than Russia.
9
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
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
In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
25
The light hitting the earth right now is 30 thousand years old.
163