Quantcast

Astrobiology Glossary

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Term Definition

redOrbit Friends

Quote of the Day

The historic ascent of humanity, taken as a whole, may be summarized as a succession of victories of consciousness over blind forces in nature, in society, in man himself.
- Leon Trotsky (1879 - 1940), Russian revolutionary.

Quiz Me

How fast do the Leonid meteorites travel when entering the atmosphere?
54,000 mph
87,000 mph
121,000 mph
156,000 mph
or View Results

Fact of the Day

In England, a stone is equal to 14 pounds, a kilogram to 2.2 pounds.

Word of the Day