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Both Venus and Mercury have no confirmed moons. All other planets have at least one.

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12y ago

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9 dec night 1053 pm all 7 moons of Venus will be seen in sky is it true?

I think venus has moons It is a proven fact that Venus does not have any moons or satellites


Which planet has eight moons only two can be seen from earth?

venus


How many planets does Neptune have?

Neptune is the 8th Planet from Sun in our solar system. Now, let me rephrase your question slightly. How many moons does Neptune has? Because Neptune is a planet and can only have moons or satellites orbiting it. Answer to this question is would be 13. In other words, Neptune has 13 known moons orbiting and there could be more which are not seen by man or discovered yet.


What planet has 4 moons first seen by Galileo galilei?

He could only make out four of Jupiters' largest moons.


What are the special features of the planet Mercury?

Mercury is the closest planet to the sun and because of this, it can only be seen at twilight. The planet was discovered in 14th century BC and it has no known satellites.


What objects can be seen in space from earth because the objects reflect light from another object?

Planets, moons, asteroids, artificial satellites.


How many moons does Jupiter has what are there names?

Jupiter has at least 63 known moons. The largest four are called Io, Europa, Ganymede, and Callisto. These four moonsare called the Galilean satellites because they were first seen in 1610 by the astronomer Galileo Galilei.


Do Jupiter has moons?

Jupiter has at least 63 known moons. The largest four are called Io, Europa, Ganymede, and Callisto. These four moons are called the Galilean satellites because they were first seen in 1610 by the astronomer Galileo Galilei. Ganymede is the largest moon in the Solar System, with a diameter of 3,260 miles.


Which planet has more moons Jupiter or Saturn?

At last count Jupiter had a whopping 63 moons! It's four largest moons are called the Galilean satellites, after Italian astronomer Galileo Galilei, who observed them in 1610. The German astronomer Simon Marius claimed to have seen the moons around the same time, but he did not publish his observations and so Galileo is given the credit for their discovery. These large moons, named Io, Europa, Ganymede, and Callisto, are each distinctive worlds.


What planet has 8 moons only?

I believe that might be Saturn. A lot of people say that Saturn has 64 moons and stuff like that, but very few are actually moons. I've personally seen 3 moons, but the third might have been a star. Comment: No, it's not Saturn. Neptune is the probable answer, but it now has more than 8 known moons. The two moons seen from Earth are Triton and Nereid.


Why can planets and moons be seen?

Planets and moons can be seen because of the light that shines off of them in space.


Why aren't the ten smaller satellites discovered until a space probe passed close to Uranus?

Uranus is very far away. The planet itself cannot even be seen without a telescope. Those ten moons are very small. They would have been extremely difficult to find with even the best telescopes.