Daniella's planet Neptune

NEPTUNE

Neptune 

The mass in neptune in kilograms is 1.0243*10kg compares to Earth

What size is neptune 

Neptune's planet is

15,299 miles (24,622 km) Neptune compared to Earth. Image credit: NASA. First, let’s just look at pure size. The diameter of Neptune is approximately 49,500 km. This makes Neptune the 4th largest planet in the Solar System.

 

What is the atmosphere in Neptune

The atmosphere of Neptune is similar to all the large planets in the Solar System; it mostly consists of hydrogen and helium, with trace amounts of methane, water, ammonia and other ices.

How long does it take Neptune to rotate once

Neptune takes 16 hours, 6 minutes and 36 seconds to rotate once on its axis. That's about 2/3rds of an earth day. Note that the period of rotation is measured by watching Neptune's magnetic field. The time cited is the time it takes the "whole planet" to rotate once on its axis.

What is the atmosphere in Neptune

The atmosphere of Neptune is similar to all the large planets in the Solar System; it mostly consists of hydrogen and helium, with trace amounts of methane, water, ammonia and other ices.

What is the temperature in Neptune

At its surface, where the clouds of the planet touch space, the temperature of Neptune can dip down to 55 Kelvin. That’s -218 degrees Celsius.

Moons of Neptune

Neptune has 14 known moons, which are named for minor water deities in Greek mythology. By far the largest of them is Triton, discovered by William Lassell on October 10, 1846, just 17 days after the discovery of Neptune itself; over a century passed before the discovery of the second natural satellite, Nereid.

Earth best telescope

Best image with a Hubble telescope

Why did I like this planet

I love Neptune because it has a beautiful color and cool information that I did not know from Neptune. That is why I love Neptune

How many spacecraft visited Neptune

Voyager 2 is the only spacecraft to visit Neptune, passing 3,000 miles from the planet on August 25, 1989


Voyager 2

It is now leaving the solar system, rising above the ecliptic plane at an angle of about 35 degrees, at a rate of about 520 million kilometers a year. Voyager 2, launched August 20, 1977, visited Jupiter in 1979, Saturn in 1981 and Uranus in 1986 before making its closest approach to Neptune on August 25, 1989.

1 fun fact about Neptune

Neptune is smaller than all the other gas giants in the Solar System: Jupiter, Saturn and Uranus. But here’s the funny thing: Neptune is actually more massive than Uranus by about 18%. Since it’s smaller but more massive, Neptune has a much higher density than Uranus

2nd fact of Neptune

However, if you could stand on the surface of Neptune, you would notice something amazing. The force of gravity pulling you down is almost exactly the same as the force of gravity you feel walking here on Earth.

3rd fact of Neptune

When astronomer Johann Gottfried Galle actually found the planet in 1846, both mathematicians took credit for the discovery. English and French astronomers battled over who made the discovery first, and there are still defenders of each claim to this day.

4th fact of Neptune

Imagine a hurricane with winds that go up to 2,100 km/hour. As you can probably imagine, scientists are puzzled how an icy cold planet like Neptune can get its cloud tops t0 move so fast.

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Public - 9/27/16, 6:56 PM