DICTIONARY LOOKUP
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The Hottest Planet
Venus is a dim world of intense heat and volcanic activity. Similar in structure and size to Earth, Venus' thick, toxic atmosphere traps heat in a runaway 'greenhouse effect.' The scorched world has temperatures hot enough to melt lead. Glimpses below the clouds reveal volcanoes and deformed mountains. Venus spins slowly in the opposite direction of most planets.

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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.