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5/1/23 at 3:50am
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EastMojo
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The Conversation
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The idea of a planet that’s 85% the mass of Earth seems straightforward. But what about a pulsar-wind nebula with a brightness of a few milliCrab?
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http://www.eastmojo.com/world/2023/05/01/from-platypus-to-parsecs-and-millicrab-why-do-astronomers-use-such-weird-units/
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