Why do Some Hubble Images Have That Chunk Taken Out of the Corner?

Great question! The answer has to do with Hubble’s history. It’s easy to forget that the Hubble has been in space since 1990. That’s going on 30 years now. And during that time, it’s been serviced and had its cameras upgraded. The camera responsible for these “staircase” images is the Wide Field and Planetary Camera …

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