Category Dear CA

273.4 Snippet_Black hole images

What they look like… apart from the black bits.

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273.3 Snippet_Exploiting the Solar System

Where next?

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273.2 Snippet_Galactic orbits

What Zwicky noticed.

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273.1 Snippet_Interstellar Voyagers

A long way from home.

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273. Dear Cheap Astronomy – Episode 54

What’s old is new again.

Transcript.

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