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Mercury, Venus, Mars, Jupiter, and Saturn.

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Q: Which planets were known before the invention or the telescope?
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The planets that were known before the telescope was invented were?

Mercury, Venus, (Earth), Mars, Jupiter, Saturn


What 8 planets were known to make up the solar system before the telescope was invented?

Earth, Mercury, Venus, Mars, Jupiter, Saturn. There were six.


What planet was first discovered by telescope?

Uranus, which was discovered by Sir William HerschelPrior to the invention of the telescope, the only known planets were Mercury, Venus, Earth, Mars, Jupiter, and Saturn.Uranus was the first planet discovered by telescope.


Who used a telescope to make detailed observations of the stars and planets.?

Galileo Galilei used a telescope to make detailed observations of the stars and planets. He is most well known for suggesting that the Earth revolves around the Sun, and not the other way around.


How many planets were discovered using telescop?

Some sort of telescope was involved in the discovery of ALL known planets - about a thousand, at the time of this writing - with the exception of the five planets that can be seen with the naked eye.


Who and when was Venus discovered?

Venus is one of the planets that is visible without a telescope. The planet has been known since antiquity. Galileo was the first astronomer to study Venus through a telescope.


What tool did Galileo use to discover things about space?

In his early career: No telescopes. A log to track planets. Sea-faring devices such as the sextant Later in life: In 1609 Galileo started using the telescope on the 'heavens' Kepler used the Galilean telescope until 1611 he re-invented the refracting telescope (now known as the Keplerian telescope)


What were Isaac's last work before he died?

Sir Issac Newton was known for being an inventor. He invented the reflective telescope and discovered some planets Uranus and Neptune also Saturn.He was physicist and astronomer, mathematician.


How many Bodies were known in the Universe before the Telescope?

Eight bodies from our solar system were known:Sun, Mercury, Venus, Earth, Moon, Mars, Jupiter, and Saturn An addition, there were thousands of stars easily visible with the eye, but those probably aren't what you're asking about.


When was celestial bodies found?

Many celestial bodies - the Sun, Moon, five of the planets and most of the brighter stars - are plainly obvious to anyone who looks up, and have been known for thousands of years. The five planets known since antiquity are Mercury, Venus, Mars, Jupiter and Saturn. Their names come from Greek and Roman gods from 2200 years ago, although they were known to the Sumerians and Babylonians at least a thousand years before that. It is only since the invention of the telescope in the 1600s that people have been discovering new things among the stars.


Can you see mars without a telescope?

Yes. Mars has been known since ancient times, long before the telescope was invented.


Did Johannes Kepler discover Kepler planets?

No, Johannes Kepler is best known for describing the laws that dictate how orbits work. The Kepler planets were discovered by the Kepler telescope, a spacecraft named in his honor.