# One more- Astronomy - Black sky areas?

**URL:** <https://boards.straightdope.com/t/one-more-astronomy-black-sky-areas/852762>\
**Category:** Factual Questions\
**Created:** [April 28, 2020, 6:32pm UTC](https://boards.straightdope.com/t/one-more-astronomy-black-sky-areas/852762 "2020-04-28T18:32:46Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Sdowiat](https://avatars.discourse-cdn.com/v4/letter/s/ee7513/32.png) [@Sdowiat](https://boards.straightdope.com/u/Sdowiat)\
**Post date:** [April 28, 2020, 6:32pm UTC](https://boards.straightdope.com/t/one-more-astronomy-black-sky-areas/852762/1 "2020-04-28T18:32:46Z")

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Ok, while were on an Astronomy roll, help me understand why this is:

As far as we know space and the stars keep on going, right? I mean, we haven’t found and end to them yet.

So why is there “black areas between stars”. Why don’t we see a star ( or light from one ) at every point in the sky?

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**Author:** ![outlierrn](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/outlierrn/32/3005_2.png) [@outlierrn](https://boards.straightdope.com/u/outlierrn)\
**Post date:** [April 28, 2020, 6:43pm UTC](https://boards.straightdope.com/t/one-more-astronomy-black-sky-areas/852762/2 "2020-04-28T18:43:50Z")

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[https://www.straightdope.com/columns/read/1356/why-is-the-night-sky-dark/](https://www.straightdope.com/columns/read/1356/why-is-the-night-sky-dark/)

The Master speaks

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**Author:** ![beowulff](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/beowulff/32/542_2.png) [@beowulff](https://boards.straightdope.com/u/beowulff)\
**Post date:** [April 28, 2020, 6:44pm UTC](https://boards.straightdope.com/t/one-more-astronomy-black-sky-areas/852762/3 "2020-04-28T18:44:24Z")

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That’s called “[Olber’s paradox](https://en.wikipedia.org/wiki/Olbers%27_paradox),” and it’s due to interstellar dust.

ETA: OK, I see the Cecil say’s it’s not dust…

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**Author:** ![Darren\_Garrison](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/darren_garrison/32/92_2.png) [@Darren\_Garrison](https://boards.straightdope.com/u/Darren_Garrison)\
**Post date:** [April 28, 2020, 9:59pm UTC](https://boards.straightdope.com/t/one-more-astronomy-black-sky-areas/852762/4 "2020-04-28T21:59:40Z")

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Are you familiar wih the [Hubble deep field](https://www.spacetelescope.org/science/deep_fields/)?