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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

What is the relative gravity of Pluto?

Pluto's mass is estimated at only 1/155th of Earth's. The gravity there would be 1/15th Earth gravity.

How long does it take dwarf planet Pluto to orbit the sun in years?

246.04 years to make one orbit of our sun.

Check out the New Horizons space probe if you're interested in Pluto - its on its way out there now to take close up pictures and other data. We shold know a lot more about this place in 2015.

Is Pluto is farthest dwarf planet from the sun?

  • Planet: Neptune at 30 AU
  • Dwarf Planet: Eris at 67.67 AU

The farthest planet from the sun is Neptune. The farthest dwarf planet from the sun is Pluto. The planet, Pluto is no longer considered a planet because of its size.

How many hours is a year on Pluto?

Orbital period: ‎248.00 years; 90,560.0653 days; 2,173,441.5672 hours.

What forms of water occur on Pluto?

Triton is composed of approximately 13% ice.

Neptune's other moons also show signs of ice on their surfaces and potentially in their cores too.

It is too cold for any liquid form of water to exist that far out in space.

Would constellation look the same in Pluto?

No. Pluto is a dwarf planet, not a star, and is not visible to the naked eye.

Is Earth heavier than Pluto?

Since Pluto is no longer considered a planet it is not likely to be able to determine equally the gravitational pull. On planets where the pull of gravity is greater than that of Earth, say Jupiter for instance, everything is heavier. A can of pop on Jupiter could weigh over 40 pounds. It is not likely that our bone structure could survive such a difference in gravity, but imagine being a Jupiter native visiting Earth. You'd feel light as a feather.

Is Pluto a male or a female?

Jupiter is an inanimate object, neither male nor female. It was named after the male Roman god of the sky.

Why is Pluto to called a dwarf planet?

Pluto is considered a dwarf planet because A., it is the smallest planet (now not considered a planet anymore) in the Milky Way and B., because a larger planet was discovered to be behind it. Therefore, Pluto is no longer officially a planet, and is now a "dwarf" planet, compared to the others.
Pluto was discovered in 1930, and recognised then as being the ninth planet. Over more recent years though, more and more objects like Pluto were discovered further out. They approached the size of Pluto, or in the case of Eris, thought to be even larger.

Astronomers were faced with a dilemma, either we kept adding planets to the list, or we had to redefine what a planet actually was. In 2006, a new definition for a planet was established. It had to be approximately round, it had to orbit the sun and it had to have cleared its orbit of all other objects - so that at that distance from the sun, there were no other sizable bodies. Pluto is not large enough to have done the latter, while all other remaining planets have, so it was downgraded to a dwarf planet.

What is orbit?

To orbit a stellar body is to be circling around it in an "orbit," captured by its gravity, but still traveling fast enough to maintain distance without falling onto the surface of the body being orbited.

Gas of Pluto?

Pluto's thin atmosphere mainly consists of nitrogen, with minor amounts of methane and carbon monoxide. It is not considered a gas giant like Jupiter or Saturn due to its small size and low gravity, which prevents it from holding onto thick layers of gas.

Does Pluto overlap Neptune?

Actually, yes it does. Pluto, because of its lopsided orbit, crosses paths and goes in front of Neptune once every 288 years. It probably is once every 288 years because Pluto orbits the Sun once after 248 years.

Does Pluto have mountains or valleys name them?

To my knowledge, no clear imagery of Pluto's surface has ever been achieved. It is likely, considering the body of evidence throughout the rest of the solar system, that Pluto indeed has some sort of topography and relief on its surface. This is especially likely due to the assumed composition of Pluto: conglomeration of rocky materials and frozen volatiles (frozen gases and liquids).

What cause the Pluto to be destroyed?

Pluto still exists. It has not been destroyed. It has only been excluded from the list of planets.

How is Pluto compare to other planets?

it is a planet and it is in the milky way and its in are solor system

What is the main atmosphere gas of Pluto?

When Pluto has an atmosphere, at its closest approach to the Sun, this thin layer is comprised of nitrogen, methane, and carbon monoxide. The problem with percentages is that it changes constantly. The irregular heating of the surface, the greenhouse nature of methane that causes inversion layers, and the sheer distance Pluto is from our ability to observe it make determining the average level of any of these three gases extremely difficult at best. We didn't even know for certain until 1985 that Pluto even had an atmosphere.

Who measured the weight of the Earth?

The measurement of the planet's weight is derived from the gravitational attraction that the Earth has for objects near it.
To make their measurements, the researchers are using a device called a torsion balance. This records nearly imperceptible accelerations from the gravitational effects of four eight-kilogram stainless steel balls on a gold-coated Pyrex plate about the size of a matchbox but just 1.5 millimetres thick. The device, operating inside an old cyclotron hall in the UW nuclear physics laboratory, is similar to one used 200 years ago to make the first measurement. But it is computer controlled and contains numerous mechanical refinements that make the more precise measurement possible. Hope this helps!

Where are voyager 1 2 right now?

Some where outside the solar syatems. It can be just floating over thmilky way. No one can pin point where it is roght now on a map of the universe!!!

Voyager 1 and 2 are now in what is called the"Heliosheath". This is the outermost layer of

what is known as the Heliosphere. We are still receiving information from both spacecrafts. In March of 2012 Voyager 1 was at an approximate distance of 17.9 Billion kilometers away from our sun. Voyager 2 was at an approximate distance of 14.7 Billion kilometers away from our sun.

What space crafts have visited Pluto?

Amateur-astronomer Clyde Tombaugh discovered Pluto 80 years ago at Lowell Observatory in Arizona. Pluto's demotion in 2006 from a planet to a plutoid upset space enthusiasts all over the world, and trimmed the tail off the mnemonic device for remembering the order of the planets from the Sun: "My Very Educated Mother Just Served Us Nine Pizzas." Pluto Day 2010 will cue another burst of anger about the demotion, and will see NASA's New Horizonspacecraft a little closer to the "King of the Kuiper Belt."

His finding was confirmed by several other astronomers, and on 13 Mar 1930--the anniversary of Lowell's birth and of William Hershel's discovery of Uranus--the discovery of Pluto was publicly announced.

At 1553 miles in diameter, Pluto is smaller than seven moons in the solar system - including our own moon. The path to demotion started after the first Kuiper Belt icy objects were found in 1992, and it became apparent that the diminutive Pluto was closer in size, composition, and orbit to these icy comets than to either the terrestrial planets or Jovian gas giants. Then in 2006 the International Astronomical Union ruled that Pluto is a dwarf planet and coined "plutoid" to describe this distinctive class of Trans-Neptunian Objects. The IAU has been responsible for the naming and nomenclature of planetary bodies and their satellites since the early 1900s. The Kuiper Belt lies beyond Neptune, consists of perhaps tens of thousands of icy objects spread out between 30 and 50 times the distance between the Earth and the Sun.

Does Pluto spin clockwise?

Pluto apparently rotates clockwise, with its major moon Charon circling in the same direction. The clockwise spin is also true for Venus, which probably began with a counter-clockwise spin and was turned backward by a collision. The planet Uranus has been tipped over onto its side, so that from above the ecliptic plane it appears to turn clockwise. But it is still spinning in the same direction that it initially did, which is the common counter-clockwise spin of the Sun and most of the solar system.

What does Pluto look like inside?

Pluto's interior is thought to be rocky with a possible core made of metal. It likely contains a mantle of water ice and a surface covered in nitrogen ice and other frozen substances. Its exact composition is not yet known, as no spacecraft has landed on or orbited Pluto for a close-up study of its interior.

How hot is Pluto in Fahrenheit?

•The surface of Pluto can range from a low temperature of 33 Kelvin (-400 degrees Fahrenheit) and a high temperature of 55 Kelvin (-360 degrees Fahrenheit). The average surface temperature on Pluto is 44 Kelvin ( -380 Fahrenheit.

What color is the planet Pluto and is it safe?

Pluto is mostly reddish-brown in color. It is safe to observe from a distance as it is too cold and far away to pose any direct threat to us on Earth. However, it does not have an atmosphere suitable to support human life.