Chandra Observatory

Chandra Director's Office

Cambridge, 美国 中的 研究机构
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The CXC is pleased to announce the release of the Cycle 27 Call for Proposals (CfP) inviting scientists to participate in the Chandra X-ray …

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Could you please tell me which is more common in our Galaxy: white dwarfs or black holes? Why?
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I would like to know what exactly is in a black hole. Does anyone know? Is there a way to get a satellite near one to bring back images...
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