时间:2026-08-28 01:12:24 来源:网络整理编辑:探索
The Hubble Space Telescope captured a brilliant image of spiral galaxy NGC 3254, which has a particu
The Hubble Space Telescope captured a brilliant image of spiral galaxy NGC 3254, which has a particularly luminescent and active core emitting as much energy as the rest of the galaxy combined.
NGC 3254 is classified as a Seyfert galaxy. Seyfert galaxies are defined by their extremely active centers. Why are they so active? They each have a supermassive black hole in them.
The intense gravitational pull of supermassive black holes whip gases, dusts, stars, planetary bodies, and other material into a frenzy of high-speed collisions as they're yanked inward. As all that space stuff rips apart, smashes together, and spaghettifies, temperatures soar.
While it's true that the gravitational pull of black holes is so strong that even light can't escape, black holes could be described as messy eaters. As they eat (or "accrete") material, they also expend energy, which blasts outward as heat and light.

The full image of NGC 3254 in its bright, beautiful glory.Credit: ESA/Hubble & NASA, A. Riess et al.Hubble's image of the NGC 3254 galaxy is a composite of both visible and infrared light spectrums, which allows us to get a clear, detailed visual of what's going on. If other spectrums were used, the core would look even brighter.
NGC 3254 spins out in space roughly 118 million light-years away from Earth. It was first documented by astronomer and composer William Herschel in 1785.
SEE ALSO:The most stunning space photos of 2021 so farThe bright blue light that stands out in the top center of the Hubble image, toward the outer rim of the galaxy's spiral, is a star-exploding supernova first spotted in 2019. Although we're just seeing it now, the supernova actually happened roughly 118 million years ago.
While NGC 2154 is a spiral galaxy similar to our own Milky Way, it is much more active. The Milky Way is not classified as a Seyfert galaxy. Only about 10% of galaxies may fit that Seyfert description — which may seem low, but there are billions, perhaps trillions of observable galaxies around us. That's a lot of highly active black holes.
This 'sh*tpost' bot makes terrible memes so you don't have to2026-08-28 00:44
Mother's Day has caused a bunch of Americans to panic big time2026-08-28 00:31
Trolling will get worse before it gets better2026-08-28 00:28
Google now offers a free Android app every week2026-08-28 00:28
PlayStation Now game streaming is coming to PC2026-08-27 23:45
Critics who called out Chelsea Clinton for 'Lifetime Impact Award' made one large error2026-08-27 23:36
Donald Trump finally provided a clue about NASA's future2026-08-27 23:33
Westeros can't handle the perfection of this 'Game of Thrones' wedding2026-08-27 23:29
Metallica to seek and destroy your eardrums with new album this fall2026-08-27 23:10
Samsung Gear VR is now so much easier to use2026-08-27 22:42
The five guys who climbed Australia's highest mountain, in swimwear2026-08-28 00:48
YouTube issues proper apology over restricted mode censoring creators2026-08-28 00:25
'D*ckhead' escape dog somehow knows how to catch trains all over town2026-08-28 00:10
Sit back, relax and enjoy some Hillary Clinton2026-08-28 00:00
This weird squid looks like it has googly eyes, guys2026-08-27 23:41
7 heartwarming predictions we have for the 'Love Actually' reunion2026-08-27 23:41
Youngest Ed Sheeran fan immediately stops crying at sound of 'Shape of You'2026-08-27 23:19
15 great excuses to not go out tonight2026-08-27 23:13
Metallica to seek and destroy your eardrums with new album this fall2026-08-27 22:56
Geez, this forearm2026-08-27 22:43