Short Questions

Sometimes you have a question that has a simple answer, and you're not interested in all the extra background info. This page is full of short no-nonsense answers, for researchers on the go. Any extra background info will be referenced by a link. I guarantee, not one single answer will take more than a single paragraph!

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How long is a year on Jupiter?

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How long is a year on Mars?

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How long is a year on Venus?

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How long is a year on Mercury?

Mercury takes 88 days to orbit around the Sun, which means that one Mercury year lasts less than Read more about How long is a year on Mercury?

Allen Versfeld's picture

What is a planetary nebula?

Planetary nebulae are clouds of dust and gas ejected from older stars as they move on to the next Read more about What is a planetary nebula?

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