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The system of Pluto-Charon is similar to our Earth-Moon system, with Charon (Pluto's large moon) rotating the dwarf planet and having one face always toward Pluto. However, Charon is almost half Pluto's size. This means that the center of gravity for the pair is outside Pluto's surface, and the two actually co-rotate. Pluto's other two moons, Hydra and Nix, are likely captured asteroids. The closest thing to another for Earth is one of the many Sun-orbiting asteroids that cross our orbit. Named "Cruithne", it is smaller than Hydra and Nix, but has too high a relative velocity in its own orbit to be captured by Earth.
What else can I help you with?
How many moons does Pluto have in the year 2000?
only 1
How big is the planet Pluto to the planet Earth?
Pluto is tiny. Earth is 12,756 km in diameter, Pluto is only about 2,390 km. That is only about 70% the size of the Moon (which is itself 1/4 the size of Earth.) In terms of Mass, Pluto only has about 1/460 of Earth's. Surface gravity of Pluto is only about 5% of Earth's.
Does earth have 7 moons?
No, earth has only 1.
How many moons are near Pluto?
Pluto have four moons, but only three are named. 1: Charon 2: Nix 3: Hydra 4: Unnamed. Astronomers found this new moon orbiting Pluto in 2007.
Does Earth have 56 moons?
No. Earth has only 1 moon.
Which planet has 31 moons?
None. The Earth has 1, Mars has 2, Jupiter has 62, Saturn has 33, Uranus has 27, Neptune has 13, and Pluto has 1. http://www.spacetoday.org/SolSys/Moons/MoonsSolSys.html
Does Pluto have its own moon?
Yes, the dwarf planet Pluto has five moons down to a detection limit of about 1 km in diameter. In order of distance from Pluto, they are:CharonStyxNixKerberosHydraCharon, the largest of the five moons, is mutually tidally locked with Pluto, and is massive enough that Pluto-Charon is sometimes considered a double dwarf planet.
List the planet in order from most moons to least?
Saturn, with 63 Jupiter, with 60 Uranus, with 21 Neptune, with 8 Mars, with 2 Earth, with 1 Mercury and Venus, with 0 and if you count Pluto it has 3 moons.
Which moons are smaller than earth?
There is only 1 moon
The moon is earths only what?
None. An old textbook might say the answer is Pluto, but this statement is not true for two reasons. First, Pluto is now known to have five moons, with four new ones discovered in 2005, 2011, and 2012. Second, as of 2006 Pluto is no longer considered a planet.
What planets haves moons?
Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Earth - 1 Mars - 2 Jupiter - at least 67 Saturn - at least 62 Uranus - at least 27 Neptune - at least 13 (also, the dwarf planet Pluto has at least 5)
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.
