The New Largest Star in the Universe 2024! WOH G64

For many years UY Scuti was considered the largest known star in the universe. Then came along the behemoth that is Stephenson 2-18. But it turns out that measuring enormous, distant, bright stars isn't easy, and both UY Scuti and Stephenson 2-18, although very big, are probably not as big as initially thought. So by using the best measurements available, what is the current largest star in the known universe?

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[wallaw]

The more we know about universe. The more we know we don't know

[John-qdof]

You were right to point out that the exact size of some of these huge stars can be very hard to measure. Red giant atmospheres seem to have a more diffuse edge than that of say, the Sun, or Sirius. If you look at photos of Betelgeuse, you can see redder and yellower areas, and a diffuse edge. That's right, the disc of Betelgwuse has been imaged. It is no longer merely a single point.

[douglasthompson]

"Bettel--goose" just sounds wrong

[Νερτυπε]

Entertaining and informative. Well put visuals, background sounds and the narration makes it really enjoyable to watch. Thanks for uploading the video, and keep them coming!

[alexaugustus]

Love your videos! Nothing is more interesting than our universe and the origins of time

[programmingpi]

Ah yes, everyone's favorite star betelguz.

Edit: 100 likes! Thank you guys so much!

[cadmus]

Back in my day Canis Majoris was all the rage

[Elleni-]

Been waiting for a video...
It's snowing here, 4 inches already.. perfect for a v101 video..💙💙👍👌

[RuanAntunes]

And this new biggest star could still be minuscule compared to stars we haven’t discovered yet. Our universe never ceases to amaze and remind us how tiny and insignificant we are in comparison

[ellisonhamilton]

One thing is clear. That we live in a universe of extremes.
On that and Rolo have an extremely stellar weekend. 🇺🇸❤🇬🇧

[parazels]

I'm always surprised, how stable our Earth is, considering how tiny it compared to the other objects in the universe.

[chaos]

What we know is a drop of water.
What we don’t know, a whole ocean.

[steverobertson]

Its so mind blowing when they show size comparisons of these massive stars next to our sun. And our sun, which itself is insanely HUGE, is absolutely DWARFED by it. I literally cant imagine an object being that big. Making our sun look like a grape, thats just insane. This is why when people say we're alone in the universe, I just stare at them dumbfounded. People just do NOT ever think about the sheer size of the universe. Its literally IMPOSSIBLE that we are the only life in it. Thats like an ant declaring ants are the only life on Earth. And the ant isnt even aware of Earth being any bigger than a street corner.

[SpaceImplorerExplorerImplorer]

It has been considered among the scientific community to be the largest since 2009, alongside VY Canis Majoris.

[TheLastStarfighter]

Another exceptional video, Rob! It's absolutely mind-boggling how massive these stars can reach in size, and what's more incredible is that bigger ones are being discovered after what is thought to be impossible 🤯

[andreicheran]

Stephenson 2-18 took the title of the largest star known from the previous record holders, the red supergiants WOH G64 in the constellation Dorado and UY Scuti in Scutum. WOH G64 has an estimated radius between 1, 540 and 1, 730 solar radii, which is considerably smaller than St2-18.

[rumbuzz]

I love your videos, especially about star comparisons. Awesome !

[mintysingularity]

4:34 'Bettal guzz', really? Should we take you seriously?

[josephpacchetti]

Excellent Video, as always, Thanks Rob & Crew @ V-101 Space. 👍

[moogfooger]

thanks for the reality check on information we see about star size. cheers