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The first confirmed detection was in 1992, with the discovery of several planets orbiting a pulsar. The first confirmed detection of an exoplanet orbiting a main-sequence star was made in 6th October 1995, when a giant planet (51 Pegasi b) was found in a four-day orbit around the nearby G-type star 51 Pegasi.

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12y ago
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12y ago

The first planets outside the Solar System to be discovered were in 1995. Now, just 7 years later, scientists have discovered the 100th extrasolar (planet outside the Solar System).

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Q: When was the first planet discovered outside of our solar system?
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How do you name a planet?

The easiest way to name one of the 1800 planets currently discovered outside our solar system is to go to nameaplanet.com and register your planet name there. It is free to all people of the world, first come, first served...


Why is Neptune's?

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Was Uranus the first planet to be discovered in the solar system?

no, saturn wasby reese not wes


When was Mercury in the solar system discovered?

The first known recorded evidence of planet Mercury was in 1000BC


Which was the first planet to be discovered by an astronomer other than the ancient astronomers?

Uranus was the first planet to be discovered in 1781.


Which was the first planet to be discovered by an astronomers other than the ancient astronomer's?

Uranus was the first planet to be discovered in 1781.


What was the first planet discovered to have rings?

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What is the first planet known to have rings?

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The planet, Uranus.


First planet tobe discovered?

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When was the first planet discovered around another star?

The first extra-solar planet (in other words, circling a star and not our sun) was discovered in 1995.