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www.scijournal.org | ||
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www.messier.seds.org
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| | | | | [AI summary] The text provides a detailed astronomical description of Messier Object 2 (M2), a globular cluster in Aquarius, including its discovery history, physical properties, variable stars, and orbital characteristics. | |
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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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www.damninteresting.com
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| | | | | The tangled history of humanity's search for the solar system's uncharted planets. | |
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www.space.com
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| | | New images from the Mars Express orbiter reveal evidence of a past ice age at Mars's mid-latitudes and shine light on the planet's dynamic climate history. | ||
