What is the smallest mountain on the solar system?

Answer 1

There are hundreds of Moons that are around 10 kilometers or less in diameter. Mainly in orbit around Jupiter or Saturn.

Jupiter's smallest moon is probably S/2003 J 12 or S/2003 J9 at only 1 kilometer in diameter.

Saturn's smallest moon is probably Aegaeon at only 0.5 kilometer in diameter - although it is classified as a moonlet.

If you don't want the moon to be around a planet, the Asteroid IDA (243 IDA) has a tiny moon called Dactyl which is under a kilometer in diameter.

See related for a full list of known moons and their sizes.

Ijiraq one of Saturn's moons is only six miles aCROSS

Answer 2

The tallest mountain in the Universe is Mon Olympus on Mars. You are probably thinking Everest is the highest mountain on Earth. But Mauna Kea is Earth's tallest mountain on Hawaii Island. it is in the water. Everest is the tallest mountain on land.

Answer 3

Titan, the largest satellite of the planet Saturn, is believed to be composed of rock and water ice, with liquid hydrocarbons on and under the surface.

Although it is frigid at the surface, it may have a hot core.

It has a dense atmosphere of nitrogen, with some methane and other gases.

Answer 4

Due to limitations in observation equipment, the largest mountain in the Milky Way is unknown. However, the highest mountain in the solar system is Olympus Mons on Mars, which is 27km(16.7miles) high, and 550km(342miles) wide.

Answer 5

There are 62 known moons of Saturn, and many more small icy moonlets within its ring system. Many are thought to be asteroids caught by the giant planet's gravity.

There are 7 large moons of Saturn. The largest, Titan, contains almost 96% of the total mass of the Saturn moon and ring system. It is the only known moon with a substantial atmosphere, mostly nitrogen. It is very cold, with a solid surface of water ice and "oceans" of liquid hydrocarbons, such as ethane and methane.

The moon Enceladus is one of the moons of the solar system suspected of having subsurface layers of liquid water (as does Jupiter's moon Europa).

Mimas, the seventh-largest of Saturn's moons, is remarkable for a large crater, named Herschel, about 139 km in diameter. The crater gives Mimas its resemblance to the "Death Star" from the Star Wars movies.

Like the other moons of Saturn, Tethys is thought to be primary made of ice, but it has a much lower density than the other major moons. It has water geysers that spray ice, forming a faint ring (the E-ring) in its orbit.

Answer 6

The tallest mountain on Earth is Mount Everest, which is located in the Himalayas on the border of Nepal and Tibet. Its summit stands at 29,029 feet (8,848 meters) above sea level.

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Answer 7

Planets such as Jupiter and Saturn are orbited by objects with sizes that range from several thousand kilometers, to the size of a grain of sand. So, "what is the smallest moon" really is equivalent to a more or less arbitrary definition of where to put the limit, for example, "We'll call anything larger than 10 meters in diameter a moon". Note that this is just an example; I am not aware of any such definition. The list in the Wikipedia, for Jupiter's moons, lists objects with sizes of 1 km and larger.

Answer 8

That really depends on what you decide will be the lower limit for something to be called a "moon". This is really a more or less arbitrary limit. From Wikipedia: "There is not an established lower limit on what is considered a moon. Every body with an identified orbit, some as small as a kilometer across, has been identified as a moon, though objects a tenth that size within Saturn's rings, which have not been directly observed, have been called moonlets. Small asteroid moons, such as Dactyl, have also been called moonlets."

Answer 9

The smallest bodies in the solar system would be the smaller grains of dust that orbit the Sun, and which sometimes strike the Earth's atmosphere as meteors. Do you mean the smallest "named" body in the solar system? Perhaps Asteroid 2011CQ1, a 1-meter asteroid discovered last week about 14 hours before it zipped past the Earth, missing by less than 4000 miles. There may be smaller ones, but I'm not aware of them.

Answer 10

The largest known mountain in our solar system is Olympus Mons on the planet Mars. It is three times taller than Mount Everest.

However, since the surface topography is largely unknown for many of the planets in our solar system (particularly for the gas giants) it is reasonable to suspect that there may be larger mountains which are as yet unknown.