Uploaded July 2022 | Updated September 2026, 3 weeks ago
The universe is expanding. But how much is it expanding? Is it doing expanding the same way everywhere? And can physics actually explain the expansion?
Hosted By: Reid Reimers
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Old Episodes:
youtube.com/watch?v=1OGhGZbCku0
youtube.com/watch?v=34rTauXy80o
youtube.com/watch?v=Ztrfmn-GtCM&t=232s
The universe is expanding. But how much is it expanding? Is it doing expanding the same way everywhere? And can physics actually explain the expansion?
Hosted By: Reid Reimers
----------
Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: Jason A Saslow, David Brooks, and AndyGneiss!
Support SciShow Space by becoming a patron on Patreon: patreon.com/SciShowSpace
Or by checking out our awesome space pins and other products over at DFTBA Records: dftba.com/scishow
----------
Looking for SciShow elsewhere on the internet?
SciShow on TikTok: tiktok.com/@scishow
SciShow Tangents Podcast: scishowtangents.org
Facebook: facebook.com/scishow
Twitter: twitter.com/scishow
Instagram: instagram.com/thescishow
----------
Old Episodes:
youtube.com/watch?v=1OGhGZbCku0
youtube.com/watch?v=34rTauXy80o
youtube.com/watch?v=Ztrfmn-GtCM&t=232s





![The Legendary Arecibo Radiotelescope
All telescopes work by gathering light from the stars, but one held the crown for square footage for collecting that light for 53 years. The amazing Arecibo.
Hosted By: Reid Reimers
SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow
Support SciShow Space by becoming a patron on Patreon: https://www.patreon.com/SciShowSpace
Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: GrowingViolet, Jason A Saslow, Andy Griffith, and Heriberto Bustos!
Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow
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[Sources]
http://www.astro.wisc.edu/~sstanimi/Students/daltschuler_2.pdf
https://www.naic.edu/ao/telescope-description
https://www.science.org/news/2021/01/how-famed-arecibo-telescope-fell-and-how-it-might-rise-again
https://ui.adsabs.harvard.edu/abs/1995ASPC...75...90G/abstract
https://www.darpa.mil/about-us/timeline/arecibo-observatory
https://www.naic.edu/ao/ngat
https://www.newyorker.com/magazine/2021/04/05/the-collapse-of-puerto-ricos-iconic-telescope
https://www.naic.edu/~pradar/radarpage.html
https://www.nsf.gov/news/special_reports/arecibo/Arecibo_Fact_Sheet_11_20.pdf
IMAGES
https://www.istockphoto.com/photo/looking-for-the-stars-gm825925112-134424765
https://commons.wikimedia.org/wiki/File:Arecibo_radio_telescope_SJU_06_2019_6144.jpg
https://solarsystem.nasa.gov/news/1127/10-things-to-know-about-the-ionosphere/
https://www.istockphoto.com/vector/puerto-rico-political-map-gm470547658-62568224
https://commons.wikimedia.org/wiki/File:Arecibo_Radiotelescopio_Panamorama_SJU_06_2019_7446.jpg
https://commons.wikimedia.org/wiki/File:Arecibo_Observatory_Aerial.jpg
https://www.jpl.nasa.gov/images/venus-magellan-and-arecibo-comparison
https://commons.wikimedia.org/wiki/File:Mercury_in_true_color.jpg
https://www.youtube.com/watch?v=ssHkMWcGat4&ab_channel=NationalScienceFoundation
https://www.istockphoto.com/photo/satellite-receiver-for-tv-signal-gm988544750-268033235 The Legendary Arecibo Radiotelescope](https://i.ytimg.com/vi/4y68D390KxU/mqdefault.jpg)




