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The same amount as there are now [See related question] . Galileo Galilei in 1610 only observed the four large moons called the Galilean moons.

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Are there moons orbiting Jupiter?

Yes, Jupiter has many satellites.


How many satellites are there orbiting Jupiter?

approximately 63 natural satellites are revolving around the BIG Jumbo "Jupiter".


What year was it when Galileo used a telescope to observe 4 moons orbiting Jupiter?

1610.


How many years ago was Jupiter discovered?

Jupiter was known by the ancients. In 1610, Galileo, discovered that i twas not a point source and had four other bodies orbiting around it, moons.


How is Jupiter and its moons like the solar system?

Jupiter is a gas planet that was too small to become a sun itself. The fact that it is orbited by 67 natural satellites makes it similar to the solar system and its many orbiting satellites. The biggest difference is the light from Jupiter's moons comes not from Jupiter itself but from the sun it orbits.


Does Jupiter have more satellites than any other planet?

No, Saturn is known to have more moons than Jupiter, though most of these are tiny moonlets orbiting in Saturn's rings.


Why was the four largest satellites of Jupiter discovered?

The four largest satellites of Jupiter, known as the Galilean moons (Io, Europa, Ganymede, and Callisto), were discovered by Galileo Galilei in 1610. Using a telescope, Galileo observed these moons orbiting Jupiter, providing evidence against the geocentric model of the universe and supporting the heliocentric model proposed by Copernicus. This discovery revolutionized our understanding of the solar system.


What planet has orbiting satellites?

If a planet has a satellite, it de facto is orbiting the planet. In our solar system, Mercury and Venus do not have satellites, Earth has one, Mars two, Jupiter at least 60, as does Saturn. Uranus has 27, Neptune 13. Adn all of them orbit their planet.


How many Satellites are there on Jupiter?

Jupiter has 63 moons or satellites.


What is a Galilean satellite?

A Galilean satellite is one of the four largest moons of Jupiter discovered by Galileo Galilei in 1610. These moons are Io, Europa, Ganymede, and Callisto. They are also known as the Galilean moons and are some of the largest and most geologically diverse moons in our solar system.


Who was Jupiter founded by?

Galileo Galilei discovered Jupiter in 1610.


How many of the orbiting satellites are US satellites?

90000