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www.space.com | ||
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starkeycomics.com
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| | | | | 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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spaceplace.nasa.gov
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| | | | | The icy bits past Neptune's orbit | |
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science.nasa.gov
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| | | | | Our solar system has five dwarf planets: In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris. | |
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www.space.com
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| | | The latest Hubble Space Telescope breaking news, comment, reviews and features from the experts at Hubble Space Telescope Coverage | ||
