What Are These Weird Rings In Space?
Over the past few years, astronomers have discovered their own kind of UFO called Odd Radio Circles, aka ORCs. They're a little too round, and a little too invisible at non-radio wavelengths, to immediately know what they are and what's causing them. Get your SciShow Real-Life Unicorns Sticker Pack here:
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Sources:
Ray Norris interview
Jordan Collier interview
https://www.livescience.com/odd-radio-circle.html
https://www.inverse.com/science/astronomers-capture-the-most-detailed-ever-image-of-bizarre-space-rings
https://scitechdaily.com/astronomers-discover-mysterious-circular-ring-likely-of-intergalactic-origin/ https://www.nist.gov/pml/sensor-science/what-synchrotron-radiation
https://www.cv.nrao.edu/~sransom/web/Ch5.html
https://hal.science/hal-03585916/document https://arxiv.org/pdf/2203.10669.pdf
https://arxiv.org/pdf/2006.14805.pdf https://link.springer.com/article/10.1140/epjc/s10052-020-8395-7 Images:
https://academic.oup.com/mnras/article/513/1/1300/6553851
https://www.gettyimages.com/detail/illustration/set-of-electromagnetic-spectrum-diagram-or-royalty-free-illustration/1311362176?phrase=electromagnetic+spectrum+radio&adppopup=true
https://www.mdpi.com/2075-4434/9/4/83#
https://www.nasa.gov/image-feature/a-peek-inside-the-orion-nebula
https://www.nasa.gov/multimedia/imagegallery/image_feature_2173.html
https://www.nasa.gov/mission_pages/hubble/science/hercules-a.html
https://commons.wikimedia.org/wiki/File:ORC_J2103-6200_2022.gif
https://www.gettyimages.com/detail/video/time-lapse-milky-way-over-the-mountain-top-stock-footage/522081140?adppopup=true
https://www.gettyimages.com/detail/photo/empty-wafer-waffle-icecream-cone-isolated-on-white-royalty-free-image/1407178751?phrase=empty+waffle+cone&adppopup=true
https://commons.wikimedia.org/wiki/File:Messier_82_is_a_starburst_galaxy_approximately_12_million_light-years_away_in_the_constellation_Ursa_Major._Original_from_NASA_._Digitally_enhanced_by_rawpixel._%2845448950435%29.jpg
https://www.nasa.gov/feature/goddard/2023/webb-captures-the-spectacular-galactic-merger-arp-220
https://www.gettyimages.com/detail/video/space-travel-stars-stock-video-stock-footage/1361723239?adppopup=true
https://commons.wikimedia.org/wiki/File:Emmaalexander_synchrotron.png
https://esahubble.org/images/heic0515a/
https://www.mdpi.com/2075-4434/9/4/83#
https://commons.wikimedia.org/wiki/File:M87_jet.jpg
https://commons.wikimedia.org/wiki/File:Centaurus_A_galaxy.jpg
https://commons.wikimedia.org/wiki/File:Cygnus_A_composite.jpg
https://www.gettyimages.com/detail/video/bent-spacetime-warped-grid-wormhole-funnel-dimensional-stock-footage/1251622440?adppopup=true
https://commons.wikimedia.org/wiki/File:SKA_overview.jpg
