Pluto

A picture of Pluto from space.

Discovered: It was discovered on Feb. 18, 1930 by Clyde Tombaugh.

Named after: It was named after the Roman god Pluto god of the underworld.

Temperature: 33 Kelvin

Diameter: 2,302 miles

Made of: 98% nitrogen ice, methane, and carbon monoxide

Can people live on Pluto?: No. First of all it is way too cold for people to live on it and it doesn't have oxygen in the air.

Neptune

A picture of Neptune from space.

Discovered: It was discovered in 1846 by John Couch Adams and Urbain Le Verrier.

Named after: It was named after the Roman god Neptune god of the sea.

Temperature: 73 K

Diameter: 49,500 km

Made of: 80% hydrogen,19% helium, methane, ammonia, and water ice

Can people live on Neptune?: No. It is so,so,so cold on Neptune that people can't live on this planet.

Uranus

Discovered: It was discovered on March 13, 17811. It was discovered by William Hershel.

This is a picture of Uranus from space.

Named after: It was named after the Roman god of the sky, Uranus.

Temperature: 224 C (-371 F 49 K)

Diameter: 51 118 km

Made of: Water, methane, ammonia, hydrogen, helium

Can people live on Uranus?: No. It has no surface and it is extremely cold!

Saturn

Discovered: It was known since the ancient times but when Galileo looked into his telescope

A picture of Saturn from space

he saw Saturn's beautiful rings.

Named after: It was named after the Roman god Saturn god of harvest.

Temperature: 11,700 Â C

Diameter: 120536 km

Made of: 94% of hydrogen 6% of helium and small amounts of methane and ammonia

Can people live on Saturn?: No. People can't because the planet is made of gas and has no surface.

Jupiter

Discovered: It was discovered in ancient times.

A picture of Jupiter from space.

Named after: It was named after the Roman god Jupiter god of thunder

Temperature: 108 C (166 F)

Diameter: 142,984 km

Made of: It is made of rock, metal, hydrogen, and helium.

Can people live on Jupiter?: No. We can't because it is a big ball of gas that has no surface.

Also, It is to hot in the clouds reaching 60,000k.

Jupiter's "Great Red Spot" a storm that has
been on Jupiter for more than 100 years.

Venus

A picture of Venus from space 

Discovered: Know one really knows who discovered Venus. When Galileo looked though his telescope he noticed that Venus had a visible disc and it had phases like the moon. He is considered that he discovered Venus.


 Named after: It was named after the Roman goddess Venus goddess of love and beauty.


Temperature: The average temperate is 464 C (867 F).


Diameter: 12103.6 km (7520.8 miles)


Made of: It is made of dried up lava and carbon dioxide and nitrogen

Can people live on Venus?: No. First of all the air is poison. There is hot lava is very,very hot. That is why people can not live on Venus.

Mercury

Discovered: It was discovered in the ancient times

A picture of Mercury from space

Named after: Name after the Roman god Mercury a messenger god

 Temperature: (Daytime) 350 degrees celsius (Nighttime) 170 degrees celsius

Diameter: 4879.4 km (3032 miles)

Made of: It s made of rock and iron

Can people live on Mercury?: No. Fist of all there is no water and air. There is also no atmosphere. It is too hot in the daytime and too cold in the nighttime. That is why people can't live on Mercury