I remember these website designs, there's something good about them.

I find it interesting how the linked Britannica entry [0] is more readable (to me) than Wikipedia’s introductory section [1]. The latter provides a bit more detail, but somehow reads more difficult and jumbled.

[0] https://www.britannica.com/science/Seyfert-galaxy

[1] https://en.wikipedia.org/wiki/Seyfert_galaxy

Interesting. Webpage's creator seems to be the son of the Seyfert who was the namesake of the galaxy type.

I leave this here to contemplate :-)

https://earthsky.org/space/explosion-milky-way-center-seyfer...

https://spaceaustralia.com/feature/milky-ways-galactic-core-...

And 'now' this: https://en.wikipedia.org/wiki/Galactic_Center#Gamma-_and_X-r...