Order the eight planets from those with hottest temperature to coldest

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megamind-616 eNotes educator| Certified Educator

Atmosphere presence and distance are factors of a planet's surface temperature. An atmosphere will reflect the heat energy gained from the sun back towards the planet that the atmosphere surrounds. In this way, the atmosphere acts like a large blanket that surrounds the planet. Thus, the thickness of a planet's atmosphere and the planet's surface temperature are directly related. However, as a planet's distance from the Sun increases, the planet's temperature decreases because the Sun's energy is lost to other objects as it travels through space. Thus, planet distance and surface temperature are inversely related.

The planets, ordered from hottest to coldest surface temperatures, range from Venus to Neptune with Venus and Mercury being in reverse order from their distance from the sun. Pluto is not technically a planet anymore, but it is further out and colder than Neptune. The temperature values reflect degrees Celcius.

Sun (not a planet, but part of our solar system)= 5800 degrees Celsius

Venus= 480

Mercury= 260

Earth= 15

Mars = -60 (negative degrees Celcius)

Jupiter = -150

Saturn = -170

Uranus = -200

Neptune= -210

Pluto (not technically considered a planet any longer) = -220

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