astrophysicist
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مقالات عامة
I’m an astrophysicist mapping the universe with data from the Chandra X-ray Observatory − clear, sharp photos help me study energetic black holes
مجلة المذنب نت متابعات عالمية: When a star is born or dies, or when any other very energetic phenomenon occurs…
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مقالات عامة
Is time travel even possible? An astrophysicist explains the science behind the science fiction
مجلة المذنب نت متابعات عالمية: Curious Kids is a series for children of all ages. If you have a question…
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