/explore
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www.fourmilab.ch | ||
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www.livescience.com
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| | | | | How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on whom you ask. | |
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www.psi.edu
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| | | | | Stars that pass by our Solar System have altered the long-term orbital evolution of planets, including Earth, and by extension modified our climate. | |
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spaceplace.nasa.gov
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| | | | | The icy bits past Neptune's orbit | |
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theconversation.com
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| | | We are indeed still evolving, though it can be hard to tell because it happens over generations and often involves things you can't see, such as what foods different people are able to digest. | ||
