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alileo discovered mercury in the late sixtenth century but wasnt proven a planet until 1639

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13y ago

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What did Galileo use to make astronomical discoveries?

Galileo DID NOT discover Mars. Mars has always been visible from Earth to the unaided human eye and was known to and named by our ancient ancestors. Galileo is believed to be the first person to view Mars though a telescope in 1609.


Why is it so hard to see the planet mercury?

It is hard to see the planet mercury because Mercury is far away, Also the sun reflects off Mercury to make it hard to see.


What is the planet that does not see the moon?

Mercury


Who was the first person to see mercury with a telescope?

The first person to see Mercury with a telescope is believed to be Galileo Galilei in the early 17th century. He observed the phases of Mercury, similar to those of the Moon, which supported the heliocentric model of the solar system.


Why did carpet expand where Galileo liquid spilled?

Please do not answer if you are quessing. I see many wrong answers on this site. Galileo does not have mercury in it. It is water and a light weight petroleum mixure. Also, glass thermometers no longer have mercury.


Who is the roman god of the planet Mercury?

Mercury [See Link] was a messenger and the Roman God of commerce and thievery.


Why is mercury not the coldest planet?

Mercury is not the coldest planet because it has more solar radiation than all of the other planets. This is because it is closer to the Sun. However, Mercury is not the hottest planet in the Solar System. See related question.


Wich planet is nearest to the sun?

The planet which is the nearest to the Sun is Mercury, which also happens to be the smallest planet in our Solar system.


Why is planet mercury so difficult to see?

Because its too far away.


Why does Mercury have an average density that is close to that of earth even though Mercury is a smaller planet?

That might be an indication that Mercury has a similar composition to Earth. For more details, check the Wikipedia articles on Earth, and Mercury, to see what is believed to be inside each planet.


What is the nearest or closest planet to the sun?

The planet "Mercury" is the first planet in our solar system. It is the closest to the sun. Usually Mercury is almost impossible to see because the Sun's glare blinds us to it. It is 57.9 Million Kilometers from the sun with a surface temp ranging between -180 to +430 Celsius. It takes 87.97 Days to orbit the sun and it has no moons.


What planet orbits close to the sun?

In order from the Sun, you see Mercury, Venus, Earth and Mars. Then there is a gap, which happens to be roughly where the Asteroid Belt is. Then Jupiter, Saturn, Uranus and Neptune.