Life & Death of a Star S01E10 - The Universe - History Channel

Life & Death of a Star S01E10 - The Universe - History Channel

In the beginning, there was darkness, and then, bang—giving birth to an endless, expanding existence of time, space and matter. Now, see further than we've ever imagined, beyond the limits of our existence, in a place we call The Universe.

A look at stellar evolution; how gravity causes hydrogen gas to coalesce under friction and pressure to ignite in a flash of nuclear fusion, the energy and glow lasting billions of years, and then the ultimate demise in the largest and most colorful explosions in the cosmos.

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[Lmfaorofl17]

@sajakram1 Less mass = Less atoms = Lower temperature due to low thermo nuclear fusion. The less mass the sun has, the slower it will burn tru their supply of hydrogen. Meaning they would last longer. Now if they last trillions of years is not sure. But they use our sun as a template. It's estimated that our sun will last; 10 billion years. And then they take the suns mass, and compare with other starts mass. Then it's mathematics etc...

[Lmfaorofl17]

@sajakram1 They calculate the mass of the star and somehow figure out how much fuel it uses per km/light year or something. And then estimate the total of duration the star can hold I dunno...

[randy95023]

Great documentary. No matter how many of these shows I watch (and I think I've seen most ever made), I get a thrill out of the magnificence of our Universe. The segment on Brown Dwarfs was short, but particularly interesting. They are so hard to detect, but they are quite common. I'd bet there are many millions, or probably billions of Brown Dwarfs in our Galaxy alone. It must have been incredible when the Universe was only 3 or 4 billion years old with all those 1st Generation Giant Stars!

[QuadniverousBeast]

Thanks for /\ load

---------------_|

"Luminaris - Death of a Star", "Luminaris - Beyond Gamma (Impossible Wavelengths)", "Luminaris - Last Vision", "Luminaris - Final Approach"

[mrlogicalman1]

heat dissipating for trillions of years in a vacuum. thats a long time to retain heat that is not generating new heat at all

[zmallic]

@sajakram1 How can it not ? 

[rubberduck169]

@sajakram1 Just to confuse you

[sajakram1]

how can a star live for TRILLIONS of years.

[sajakram1]

whats the latest on that dark flow they discovered havent heard anything new about it

[olivermbs]

very interesting, thanks!