DICTIONARY LOOKUP
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Our Nearest Neighbor
Did you know the moon has an atmosphere? NASA's LADEE is headed to the moon to find out more about the mysterious composition of the thin lunar exosphere.

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  News Features People Extreme Facts Dictionary

 
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Q
Kelvin (K)

0 Kelvin is absolute zero; Water Ice melts at 273 K (= 00C = 320F); Water boils at 373 K (= 1000C = 2120F).

Kepler, Johannes (1571-1630)

German astronomer and mathematician. Considered a founder of modern astronomy, he formulated the famous three laws of planetary motion.

kilogram (kg)

= 1000 grams = 2.2 pounds, the mass of a liter of water.

kilometer (km)

= 1000 meters = 0.62 miles.

kinetic energy

The energy of motion; equivalent to one-half an objects mass multiplied by its velocity squared.

 
Can't find it? Don't understand it? Ask us.
Q
Kelvin (K)

0 Kelvin is absolute zero; Water Ice melts at 273 K (= 00C = 320F); Water boils at 373 K (= 1000C = 2120F).

Kepler, Johannes (1571-1630)

German astronomer and mathematician. Considered a founder of modern astronomy, he formulated the famous three laws of planetary motion.

kilogram (kg)

= 1000 grams = 2.2 pounds, the mass of a liter of water.

kilometer (km)

= 1000 meters = 0.62 miles.

kinetic energy

The energy of motion; equivalent to one-half an objects mass multiplied by its velocity squared.