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Dwarf Planet Pluto

A dwarf planet that was the 9th planet from the Sun in our solar system until 2006 when it was determined it did not satisfy the requirements of being a planet.

2,286 Questions

How did Mercury get smaller?

When Mercury's iron core cooled off it made Mercury shrunk half a mile and when it shrunk it made cliffs and from space it looks like its wrinkly its from the cooling episode.

~Unknown Teller~

Planet orbits earth in 28 days?

The statement is incorrect. The Earth orbits around the Sun in approximately 365 days, while the Moon orbits around the Earth in about 28 days.

Which planet takes the longest to revolve around the sun and why?

As planets are found in orbits further out from the Sun, these will take longer to complete an orbit - basically they have further to travel to complete an orbit. However to stay in orbit they do not have to travel as fast (to stay in orbit) as planets closer to the Sun. This is because the force of gravity falls of with the square of the distance the two bodies are apart.

The Suns outermost planet is Neptune (Pluto is no longer a planet) and it takes 164 Earth years to orbit the Sun!

What plant was named after the god of the underworld?

The plant named after the god of the underworld is the "Hellebore" (genus Helleborus). It is also known as the "Christmas Rose" or "Lenten Rose" and is said to be named after Helleborus, the Greek god of the underworld, due to its toxic properties.

Why does Pluto have an elliptical orbit?

Pluto has an elliptical orbit like all the planets, etc that orbit the Sun. It's the

result of the Sun's gravity affecting Pluto. Pluto has an orbit that is not nearly

circular. This is called having a very "eccentric" orbit. This is probably because

of its origin in the "Kuiper belt" region of the solar system.

How many earth does it takes to stretch across Jupiter?

Jupiter has a surface area of 23.71 billion sq miles (61.42 billion km sq). Earth has a surface area of 200 million sq miles (510.072 million km sq). So to find the answer to your question we take Jupiter's surface area and divide it by Earth's surface area.

23.71 billion / 200 million = 118.55

So, it would take approximately 118.55 earths to stretch across the surface of Jupiter!

What will happen to Pluto if suns gravity decreased by half?

Due to Plutos' distance from the sun and abnormal shape of it's orbit it is likely that Pluto would no longer be effected by the sun's gravitational pull. Pluto would either drift slowly away into the galaxy or spin wildly out of control and shoot through the solar system causing havoc.

Earth would have to nuke Pluto if this were to the case.

Hope this helps

Which planet has four out 16 moons that are bigger than Pluto?

Four of the moons of Jupiter (Ganymede, Callisto, Io, and Europa) are larger than Pluto, but there are only 7 moons in this solar system that are larger than Pluto.

Astronomers can see planets because planets they?

reflect light from the sun, making them visible in the night sky. By observing the way a planet moves and changes position relative to the stars, astronomers can track its orbit and study its physical characteristics. Telescopes and other advanced technology help astronomers gather more detailed information about planets in our solar system and beyond.

Why does each planet have different facts?

Each planet has different characteristics, such as size, distance from the sun, and composition, that result in unique facts about each planet. Factors like gravity, atmosphere, and temperature also play a role in determining the specific features and conditions found on each planet.

What Else is unusual about Pluto besides it size?

Pluto orbits the sun on a different and inclined plane compared to the rest of the planets in our solar system. It is also no longer considered a planet because of its size, different orbit and composition.

A specific answer on why planets and moons of planets stay in their orbits?

Planets and moons remain in their orbits because of the gravitational pull other bigger planets or stars have on them, for example the Earth stays in its orbit because of the gravitational force it is subjects to created by the Sun, and the moon stays in its orbit because of the gravitational force it is subject to created by the Earth. It's all about gravity and force.

Why did they named Pluto Pluto?

It was in the tradition of ancient people to name the stars and planets after their gods and goddesses; the Roman Empire lasted the longest and was the most well remembered and modern people have continued naming planets, moons, and stars after ancient deities.

As to why Pluto/Hades specifically... Pluto is a cold, dreary place, and in Greco-Roman mythology the underworld was similarly cold and gloomy. Also, Jupiter, Neptune and Pluto were regarded by the Romans as a bit of a troika; Zeus ruled the air, Neptune the sea, and Pluto the Earth (as in the underground part of it). Pluto was therefore one of the most prominent/prestigious Roman gods not to already have a planet or other celestial object named for him.

Describe the circumstantial evidence that supports the idea that Pluto is one of a thousand similar icy worlds that once occupied the outer regions of the solar system?

Pluto's composition of ice and rock, its location in the Kuiper Belt, and its similarity to other Kuiper Belt objects in size and composition suggest that it is one of many similar icy worlds that once existed in the outer solar system. Additionally, the discovery of other dwarf planets and trans-Neptunian objects further supports the idea that Pluto is just one of a large population of similar icy bodies in the Kuiper Belt region.

What is a song for remembering the planets by excluding Pluto?

A common song to remember the planets excluding Pluto is "My Very Educated Mother Just Served Us Noodles." Each word in the sentence represents the first letter of a planet in order from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

The state of matter for Pluto?

Pluto is mostly composed of rock and ice, so it is classified as a combination of solid and icy materials. Its surface temperature is extremely cold, averaging around -375°F (-225°C), which keeps the majority of its constituents in a frozen state.

What are the other dwarf planets called?

Other dwarf planets in our solar system include Eris, Haumea, and Makemake. These dwarf planets are similar to Pluto in that they are smaller than traditional planets and do not meet all criteria to be considered full-fledged planets.

What would you find in the Oort Cloud?

The outer reaches of the solar system, which extends to nearly a light-year away from the sun, likely contains (mostly) small comet type (maybe some asteroid type) objects composed mainly of water/methane/ammonia ices.

The machine that show the orbits of the planets around the sun?

You're referring to an orrery, a mechanical model that demonstrates the relative positions and motions of planets in the solar system. It helps visualize the orbits of planets around the sun and their interactions with each other. Orreries are educational tools used to teach about celestial mechanics and planetary motion.

Does atmospheric methane burn in a thunderstorm?

No. Methane is only present in small amounts in the atmosphere; not nearly enough to support combustion. A setup in which it could support combustion would not be stable; a single spark would set the entire atmosphere on fire.

Why are scientists interested in learning about the weather on other planets?

They study it for all kinds of reasons. For example mars has huge storms raging on this desert like planet, which makes it almost impossible to live there. Scientist are studying this to learn about what we can expect in the future (maybe the earths climate will change so we will have these storms as well). Also they would like to know what causes this and what to do to counter it. Mars is the only planet where we would have any chance of survival. They have to create an atmosphere first (without the extreme weather), but unlike every other planet the temperature on there is almost the same to the earth.


I'm dutch so excuse any mistakes. ;) hope this helps

What is Pluto's core temperature?

The inside core is solid ice and metal, which, believe it or not, is 1650 DEGREES BELOW ZERO. If you just brushed your finger against it, your arm would fall off from frostbite, and the blood would freeze in your veins.

Why do planets take different times to revolve around the sun?

The planets in our solar system all orbit (revolve) around the sun on a plane called the ecliptic plane but each of their individual orbits has a different perimeter ranging from small (which would be the closest to the sun) to big (which would be further away from the sun).

Since Mercury has the smallest perimeter of orbit, it is the closest planet to the sun and is thus more drawn by the suns gravitational force, both its small perimeter and strong gravitational pull make it revolve around the sun faster, and the bigger the planets orbital perimeter is the further away from the sun it is and the slower its orbit is.

How does a planet's distance from the sun affect other characteristics of the planet?

It affects the characteristics of the planets by the highs and lows of the temperature of the planet. It also would affect, if there was, the life on the outer planets. If there were life on the outer planets, they would freeze.

[Jupiter mostly heats itself by it's core.

Jupiter was going to be a star, but it didn't weigh enough or wasn't hot enough to become a star.]

Which planet has a moon that orbits backwards?

Neptune. It's largest moon Triton orbits Neptune a direction opposite to the direction Neptune orbits the Sun. So either Triton orbits Neptune in a clockwise direction whilst Neptune orbits the Sun in a counterclockwise direction.. or vice versa.

Hope this is what you meant! :D

~Riley