Fact Of The Post
When Neptune was first discovered in 1846, it became the most distant planet in our Solar System.
If you enjoy random knowledge, space facts, and the planet Neptune, you’ll definitely love these facts also.
Here, we are going to read the top 10 Neptune facts that you do not know.
Planet Neptune Facts
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1. Neptune has 14 known moons.
Neptune’s largest moon, Triton, is one of the coldest places known within our Solar System.
The temperature on the surface of this moon can dip down to an amazing -391°F (-235°C)!
When NASA’s Voyager 2 passed by Triton, it observed volcanoes erupting liquid nitrogen!
When Voyager 2 passed by, it managed to find another six that were not visible from Earth.
Later, in 2002, three more moons were discovered from a ground-based telescope.
2. Neptune has the strongest winds in the Solar System.
The strongest winds that have ever been recorded in our Solar System have come from Neptune.
The speeds recorded reached 1,250 miles per hour – that’s equivalent to 2,000 kilometers per hour!
3. A Neptunian year lasts for 165 Earth years!
Because of Neptune's distance from the Sun, It takes 164.79 Earth years to orbit the Sun once.
This means that since its discovery in 1846, only one Neptunian year has passed!
Neptune has a similar tilt on its axis as Earth does.
This means that it has similar seasons as Earth does, only they last much, much longer!
An average summer on Neptune would last for 41 years!
Each day on Neptune lasts for around 16 hours, and 6 minutes.
4. Like Saturn, Neptune has three rings orbiting the planet.
Two are fairly thick, whilst the third is a very faint ring.
These rings are smaller than the rings of Saturn and are made of dust.
5. Neptune is the most distant planet in our solar system.
When Neptune was first discovered in 1846, it became the most distant planet in our Solar System.
Then just 84 years later, Pluto was discovered, making it the most distant planet.
After discovering Pluto, they soon realized that its orbit was ecliptic.
As all the other planets in our Solar System have a circular orbit, they stay the same distance away from the sun at all times.
Pluto has an egg-shaped orbit, meaning the distance away from the sun varies according to where in its orbit.
At the times when Pluto is nearer to the Sun in its orbit, it becomes closer to the Sun the Neptune does, making Neptune the most distant planet in our Solar System.
The last time this event occurred was between 1979 and 1999.
Sadly in 2006, it was decided that Pluto was no longer a planet, making Neptune the most distant planet in our Solar System once again.
6. Neptune’s largest moon is Triton.
Triton was discovered in 1846 by the British astronomer, William Lassell.
It’s the only large moon that orbits their planet backward.
7. Neptune’s mass is 17 times greater than Earth’s.
Although Neptune is smaller in diameter than Uranus, it has a greater mass.
Neptune’s mass is 17 times greater than that of Earth’s, whilst Uranus is only 14.5 times greater.
8. Neptune is 58 times bigger than Earth.
Although Neptune is 58 times bigger by volume than Earth, it is only 17 times heavier.
This is due to the much lower density of 1.6 g/cm3 – Earth’s density is 5.5 g/cm3.
9. Some people believe that Pluto was once a moon of Neptune.
They believe that Pluto broke away from Neptune’s gravitational pull, although there is not enough evidence to back up this theory.
10. Neptune was originally called “Le Verrier’s Planet”.
Shortly after its discovery, Neptune was only referred to as “the planet exterior to Uranus”.
Or more commonly “Le Verrier’s planet”. After the man who discovered it, Urbain Le Verrier.
There were several suggestions about what to call this planet, but in the end, the man who discovered this planet chose the name, Neptune.
Neptune Questions With Answers 😲😲😵
Is Neptune all water?
Neptune is one of two ice giants in the outer solar system (the other is Uranus). Most (80% or more) of the planet's mass is made up of a hot dense fluid of "icy" materials – water, methane, and ammonia – above a small, rocky core. Of the giant planets, Neptune is the densest.
Why is Neptune blue?
Both worlds are blue because they have methane in their atmospheres, which absorbs the color red from the sun's light.
What are Neptune's special features?
It's made of a thick fog of water, ammonia, and methane over an Earth-sized solid center. Its atmosphere is made of hydrogen, helium, and methane. The methane gives Neptune the same blue color as Uranus. Neptune has six rings, but they're very hard to see.
Do diamonds rain on Neptune?
Deep within Neptune and Uranus, it rains diamonds—or so astronomers and physicists have suspected for nearly 40 years. The outer planets of our Solar System are hard to study, however. Only a single space mission, Voyager 2, has flown by to reveal some of their secrets, so diamond rain has remained only a hypothesis.
Can you swim on Neptune?
Being an ice giant, there is no water on the surface of Neptune. Having a surface temperature of −201 any water on Neptune will be frozen. Extraterrestrial liquid water is believed to be beneath the ice surfaces of the Jovian moons Europa and Ganymede.
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