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I think planet x was the last to be discovered. Not sure

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14y ago
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13y ago

Neptune was the last planet to be discovered.

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13y ago

Neptune, the eighth and furthest planet from the sun. Its discovery date was on September 23, 1846.

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14y ago

Neptune was discovered on September 23, 1846

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13y ago

Uranus was the second to last planet discovered.

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Q: What planet was the second last to be discovered?
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Related questions

Which is the last planet to be discovered?

As we are discovering more and more exoplanets almost weekly, there will never be a "last" planet discovered.


What is the second to last dwarf planet?

the scenod to last dwarf planet is: ceres is the second to last DWARF PLANET i think.


Which planet was last to be discovered?

Pluto


What is the last planet discovered?

Neptune, Pluto, Or planet X (Or Nibiru) are discovered. On the future, Nibiru is discovered. The Future Year: 2111


What was the last planet to be discovered?

neptune i belive


When was it discovered Pluto is not a planet?

It wasn't discovered to not be a planet, it was decided to no longer be a planet. Recently, the last 2 or 3 years scientist decided (not all) it was not an official planet.


What was the last planet discovered in the 19th century?

Neptune.


Is mars the second last planet in the solar system?

Nope.. the second planet in the solar system is VENUS


What was the last planet discovered during the 20th century?

The last planet to discover during the 20th century was Pluto. But it's a dwarft planet so it should maybe be Neptune.


What is The planet furthest from the sun?

Uranus is the second furthest planet from the sun. Neptune, now the furthest planet from the sun, was the second furthest planet from the sun after Pluto was discovered in 1930 until Pluto was reclassified as a dwarf planet in 2003.


What planet is furthest from the sun?

Uranus is the second furthest planet from the sun. Neptune, now the furthest planet from the sun, was the second furthest planet from the sun after Pluto was discovered in 1930 until Pluto was reclassified as a dwarf planet in 2003.


What is the second to last planet in the solar system?

Uranus