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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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theconversation.com
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| | | | | 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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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.csulb.edu
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| | | Ted Stankowich, Ph.D., is an associate professor in the Department of Biological Sciences at California State University, Long Beach. His research interests include the evolution, ecology, and behavior of predator-prey interactions, and the broad range of taxa including carnivores, ungulates, rodents, and spiders. Stankowich teaches a variety of courses including Evolution, Mammalogy, Ecology, and Behavioral Ecology. | ||
