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science.nasa.gov | ||
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starkeycomics.com
A brief history of the 30 or so objects in our solar system that have been considered planets at some point. While the planets themselves may seem constant and timeless, the way we define the term "planet" has changed drastically over the centuries. Here's my timeline of all the objects considered planets in our solar [...] |
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www.space.com
Pluto isn't the only dwarf planet residing in our solar system. Try your hand at naming the others in our quiz! |
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theconversation.com
In 2006, and after much debate, the International Astronomical Union came up with a new definition for a planet. And for the first time, the term "dwarf planet" was used. |
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www.techradar.com
The latest Macs breaking news, comment, reviews and features from the experts at TechRadar |
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