Uploaded May 2026 | Updated September 2026, 2 weeks ago
Support this channel on Patreon to help me make this a full time job: patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads)
Alternatively, PayPal donations can be sent here: paypal.me/whatdamath
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Hello and welcome! My name is Anton and in this video, we will talk about a galaxy that disappeared in just a few years and another one that became active recently
Links:
ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano
subarutelescope.org/en/results/2026/03/24/3688.html
#galaxy #activegalacticnucleus #blackhole
0:00 Galactic changes but in human scales?
1:20 Galaxy that disappeared in a few years
4:20 Galaxy that turned on showing the opposite effect
5:50 How this was discovered
6:45 Similar processes we've never seen at these time scales
7:30 How these two galaxies differ
8:40 Possible explanations
9:55 Conclusions and implications for Milky Way
Enjoy and please subscribe
Bitcoin/Ethereum to spare? Donate them here to help this channel grow!
bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4
or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF
The hardware used to record these videos:
New Camera: amzn.to/4pCVINS
CPU: amzn.to/4qXIaxC
Video Card: amzn.to/2M1W26C
Motherboard: amzn.to/2JYGiQQ
RAM: amzn.to/2Mwy2t4
PSU: amzn.to/2LZcrIH
Case: amzn.to/2MwJZz4
Microphone: amzn.to/2t5jTv0
Mixer: amzn.to/2JOL0oF
Recording and Editing: amzn.to/2LX6uvU
Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid.
Thank you to all Patreon supporters of this channel
Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships
Credit:
Mark Garlick markgarlick.com
Martijn Oei CC BY SA 4.0 en.wikipedia.org/wiki/Radio_galaxy#/media/File:GRGAlcyoneusIRBlueRadioOrange.png
Mhardcastle CC BY sA 3.0 en.wikipedia.org/wiki/Radio_galaxy#/media/File:Radio_galaxy_3C31.png
Licenses used:
creativecommons.org/licenses/by/4.0
and relevant Creative Commons licenses
Support this channel on Patreon to help me make this a full time job: patreon.com/whatdamath (Unreleased videos, extra footage, DMs, no ads)
Alternatively, PayPal donations can be sent here: paypal.me/whatdamath
Get a Wonderful Person Tee: teespring.com/stores/whatdamath
More cool designs are on Amazon: amzn.to/3QFIrFX
Hello and welcome! My name is Anton and in this video, we will talk about a galaxy that disappeared in just a few years and another one that became active recently
Links:
ras.ac.uk/news-and-press/research-highlights/reborn-black-hole-spotted-erupting-cosmic-volcano
subarutelescope.org/en/results/2026/03/24/3688.html
#galaxy #activegalacticnucleus #blackhole
0:00 Galactic changes but in human scales?
1:20 Galaxy that disappeared in a few years
4:20 Galaxy that turned on showing the opposite effect
5:50 How this was discovered
6:45 Similar processes we've never seen at these time scales
7:30 How these two galaxies differ
8:40 Possible explanations
9:55 Conclusions and implications for Milky Way
Enjoy and please subscribe
Bitcoin/Ethereum to spare? Donate them here to help this channel grow!
bc1qnkl3nk0zt7w0xzrgur9pnkcduj7a3xxllcn7d4
or ETH: 0x60f088B10b03115405d313f964BeA93eF0Bd3DbF
The hardware used to record these videos:
New Camera: amzn.to/4pCVINS
CPU: amzn.to/4qXIaxC
Video Card: amzn.to/2M1W26C
Motherboard: amzn.to/2JYGiQQ
RAM: amzn.to/2Mwy2t4
PSU: amzn.to/2LZcrIH
Case: amzn.to/2MwJZz4
Microphone: amzn.to/2t5jTv0
Mixer: amzn.to/2JOL0oF
Recording and Editing: amzn.to/2LX6uvU
Some of the above are affiliate links, meaning I would get a (very small) percentage of the price paid.
Thank you to all Patreon supporters of this channel
Special thanks also goes to all the wonderful supporters of the channel through YouTube Memberships
Credit:
Mark Garlick markgarlick.com
Martijn Oei CC BY SA 4.0 en.wikipedia.org/wiki/Radio_galaxy#/media/File:GRGAlcyoneusIRBlueRadioOrange.png
Mhardcastle CC BY sA 3.0 en.wikipedia.org/wiki/Radio_galaxy#/media/File:Radio_galaxy_3C31.png
Licenses used:
creativecommons.org/licenses/by/4.0
and relevant Creative Commons licenses
