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Neptune, Uranus, the dwarf planet Pluto, and all the exoplanets. 837 exoplanets had been discovered as at 2012-Sep-07. Mars, Venus, Jupiter, Saturn, Mercury and obviously Earth can be seen with the naked eye. All the rest were discovered by telescope. Seeing as we don't have warp drive, hyper-space or inter-dimensional travel, there is no other way to discover a planet except by observation. This is always done through a telescope, whether it be visible spectrum, IR, UV, radio etc
There is also some discussion that Neptune and Pluto were discovered by noticing the variation in the orbits of other planets. After the maths was done, telescopes were pointed at where we thought the source of the orbital variation would be, and Neptune and Pluto were discovered. So was the time of discovery, when we did the maths or when we first observed them through a telescope ... ?
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∙ 11y ago
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What was surprising about the extrasolar planets that were discovered?
The surprising thing to me is how MANY extra-solar planets have been discovered. Considering the limitations of the Kepler Space Telescope's design, this indicates that there may be planets around a majority of the stars.
Does the planet Kepler really exist?
There is a bit of confusion here. Kepler is not the name of a planet but of a space telescope used to discover planets in other solar systems. Planets discovered with this telescope are given designations such as Kepler-22b. This telescope has been used to discovered hundreds of planets.
Who is bigger planet earth or planet Kepler?
There is no single planet named Kepler, rather it is part of the designation given to planets discovered using the Kepler telescope. Most of the planets discovered using the telescope are larger than Earth, but some are smaller.
Which planets in your solar system were found by telescope?
Neptune was discovered using a telescope.Uranus was discovered with the naked eye, but because of it's slow rotation it was believed to be a star. Only with a telescope was it identified as a planet.
Can you see any planets from earth with a telescope?
Yes, Mercury, Venus, Mars, Jupiter and Saturn had been discovered several millennia before the invention of the telescope.
How were the planets rings discovered?
With a telescope....
Why are the new planets called Kepler?
Many of the planets discovered in the past few years have designations such as Kepler-22b because they were discovered using the Kepler space telescope.
What was surprising about the extrasolar planets that were discovered?
The surprising thing to me is how MANY extra-solar planets have been discovered. Considering the limitations of the Kepler Space Telescope's design, this indicates that there may be planets around a majority of the stars.
Does the planet Kepler really exist?
There is a bit of confusion here. Kepler is not the name of a planet but of a space telescope used to discover planets in other solar systems. Planets discovered with this telescope are given designations such as Kepler-22b. This telescope has been used to discovered hundreds of planets.
How did ancient India discover 7 planets without a telescope?
Ancient India discovered only 5 planets without a telescope, because they could see the planets with their eyes, just as we can. Those planets are:MercuryVenusMarsJupiterSaturn
How many planets have we discovered with the telescope?
Two in our own solar system, and nearly 1,000 in orbit around other stars.
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.
When was Mars discovered by telescope?
Mars was discovered long before telescopes were invented. It is one of the classical planets, discovered in ancient times.
Who is bigger planet earth or planet Kepler?
There is no single planet named Kepler, rather it is part of the designation given to planets discovered using the Kepler telescope. Most of the planets discovered using the telescope are larger than Earth, but some are smaller.
Did the world have need for Galileo's inventions?
yes as you know we use the telescope to see other planets. since we had the telescope, we have discovered five new planets in our solar system which lay beyond pluto
Which planets in your solar system were found by telescope?
Neptune was discovered using a telescope.Uranus was discovered with the naked eye, but because of it's slow rotation it was believed to be a star. Only with a telescope was it identified as a planet.
Can you see any planets from earth with a telescope?
Yes, Mercury, Venus, Mars, Jupiter and Saturn had been discovered several millennia before the invention of the telescope.
