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8 major known planets
MERCURY-
* Closest to the sun
* 8th largest in the Solar System
* The Roman god of travel, commerce and thievery
* Diameter:4880 km
* Known from the time of the Sumerians (3 million BC)
* Temperature: 90 Kelvin-700 Kelvin
VENUS-
* Second closest to the sun
* 6th largest in the Solar System
* The Roman god of love and beauty
* Diameter:12103.6 km
* Known from prehistoric times
* Brightest object in the sky, apart from sun and moon.
* Temperature: around 733 Kelvin
EARTH-
* Third from the sun
* 5th largest in the Solar System
* 16th century till people knew Earth was just another planet * Diameter:12756.3
* Has one moon
MARS-
* Fourth from the sun
* 7th largest in the Solar System
* The Roman god of war
* Diameter:6794 km
* Known since prehistoric times
* Has 2 moons
* Temperature: around 218 Kelvin
JUPITER-
* Fifth from the sun
* Largest planet in the Solar System
* The Roman king of all gods
* Diameter:142984 km
* 4th brightest thing in the sky, after the sun, moon and Venus * Known since prehistoric times
* Has over 16 moons
* Temperature: around 343 Kelvin
SATURN-
* Sixth closest from the sun
* 2nd largest planet in the Solar System
* The Roman god of agriculture
* Diameter:120536 km
* Known since prehistoric times
* Has 18 moons
* Temperature:98.15 Kelvin
URANUS-
* Seventh from the sun
* 3rd largest in the Solar System
* The oldest Greek Supreme God.
* Diameter:51118km
* 1st planet discovered in modern times
* Has 21 moons.
* Temperature:59.15 Kelvin
NEPTUNE-
* Eighth planet from the sun
* 4th largest in the Solar System
* The Roman god of the sea
* Diameter:4953n km
* First discovered in 1846
* Has 8 moons
* Temperature: Around 72 Kelvin
Difference between planets and stars
Stars give their own light, but planets...