NEPTUNE

SIZE

• The radius is 15,299 miles which is 17 times the mass of earth.
• 58 earths can fit in Neptune.
• A trip around Neptune's equator would be 96,129 miles.
• The 4th largest planet.

DISTANCE

• 2.795 billion miles from the sun.
• The 8th planet from the sun.
• It takes 164.79 earth years to travel around the sun.
• One day is 16 hours and 6 minutes.

COLOR

• Azure blue.
• The methane in Neptune's atmosphere absorbs the fed light from the sun but reflects the blue light from the sun back into space.

HOW DID NEPTUNE GET ITS NAME?

• Neptune was a god of the sea in Roman mythology.
• Romans named the first 5 planets closest to the sun after their important gods but when telescopes were used, other plants ever discovered. Astronomers continued the Roman tradition.
• Urban Le Verrier named it.

THE WEATHER

• -392 degrees Fahrenheit.
• Made of rock at the core. Mostly made of ice but is a gas planet.
• A human would not survive because they would suffocate in the gases, get compressed by the intense gravity, get shredded by the winds, or freeze to death.

ATMOSPHERE

• Consists of hydrogen, helium, and methane.
• 14 moons.
• 5 rings but they are almost impossible to see.

HAVE WE EXPLORED IT?

• Yes, human beings have explored it by remote control. The planet was visited once by voyager 2, a robot probe from earth, which flew 3,100 miles of Neptune in 1989.

WHO DISCOVERED NEPTUNE?

• It was discovered by Urban Le Verrier.
• It was discovered in September of 1877.
• The discovery is still a controversy. The first person to have seen it was likely Galileo, who marked it as a star. However, since he did not identify it as a planet, he is not credited with the discovery.

INTERESTING FACTS!

• Neptune has a storm similar to the Great Red Spot on Jupiter, and it's about the size of Earth.
• Despite the fact that the planet fails to get enough sunlight that can keep the planet warm and drive its atmosphere, the winds can reach a top speed of 1,500 miles. It holds the record of having the fastest wind speed in our entire solar system.
• Some people believe that Pluto was once a moon of Neptune that broke away from Neptune's gravitational pull.

SOURCES

• Book- The incredible journey to the planets
• nineplanets.org
• www.space.com
• Solarsystem.nasa.gov
• Nationalgeographic.com
• Space-facts.com

THANK YOU FOR LISTENING!