Astrobiology Glossary

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Term Definition
Zenith The point on the celestial sphere that is directly above the observer. Holding a balloon overhead places the balloon at your zenith. Although celestial objects appear to rise and set as they move across the sky, they rarely reach the zenith point.

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Quote of the Day

Prometheus is reaching out for the stars with an empty grin on his face.
- Arthur Koestler (1905-83)

Quiz Me

What was the first nearly complete dinosaur discovered in America?
A.Tyrannosaurus
B.Apatosaurus
C.Triceratops
D.Hadrosaurus
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Fact of the Day

The biggest fear of chefs who cook for world leaders is food poisoning. Many cook for as many as 5,500 guests at a time. Sudhir Sibal, a devoted world-class chef who serves India's prime minister, says he personally samples all food first before it is served.

Word of the Day

facile
Pronunciation: /FAS-ul/
adj : done or performed easily, with little effort
"He is obnoxious but has a facile wit."