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Asteroid ripped apart to form star's glowing ring system

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  Asteroid ripped apart to form star's glowing ring system Sam Wormley <swormley1@gmail.com> - 2015-11-11 17:18 -0600
    Re: Asteroid ripped apart to form star's glowing ring system jimp@specsol.spam.sux.com - 2015-11-11 23:36 +0000

#532216 — Asteroid ripped apart to form star's glowing ring system

Asteroid ripped apart to form star's glowing ring system
> http://phys.org/news/2015-11-asteroid-ripped-star.html

> The sight of an asteroid being ripped apart by a dead star and
> forming a glowing debris ring has been captured in an image for the
> first time.
>
> Comprised of dust particles and debris, the rings are formed by the
> star's gravity tearing apart asteroids that came too close.
>
> Gas produced by collisions among the debris within the ring is
> illuminated by ultraviolet rays from the star, causing it to emit a
> dark red glow which the researchers observed and turned into the
> image of the ring.
>
> Led by Christopher Manser of the University of Warwick's Astrophysics
> Group, the researchers investigated the remnants of planetary systems
> around white dwarf stars; in this instance, SDSS1228+1040.
>
> Whilst similar to the formation of Saturn's rings, the scale of the
> white dwarf and its debris is many times greater in size. Christopher
> Manser explains:
>
> "The diameter of the gap inside of the debris ring is 700,000
> kilometres, approximately half the size of the Sun and the same space
> could fit both Saturn and its rings, which are only around 270,000 km
> across. At the same time, the white dwarf is seven times smaller than
> Saturn but weighs 2500 times more".
>
> While debris rings have been found at a handful of other white
> dwarfs, the imaging of SDSS1228+1040 gives an unprecedented insight
> into the structure of these systems.

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#532225

Sam Wormley <swormley1@gmail.com> wrote:
> Asteroid ripped apart to form star's glowing ring system

Such uneeded violance; can't we all just get along?

>> http://phys.org/news/2015-11-asteroid-ripped-star.html
> 
>> The sight of an asteroid being ripped apart by a dead star and
>> forming a glowing debris ring has been captured in an image for the
>> first time.
>>
>> Comprised of dust particles and debris, the rings are formed by the
>> star's gravity tearing apart asteroids that came too close.
>>
>> Gas produced by collisions among the debris within the ring is
>> illuminated by ultraviolet rays from the star, causing it to emit a
>> dark red glow which the researchers observed and turned into the
>> image of the ring.
>>
>> Led by Christopher Manser of the University of Warwick's Astrophysics
>> Group, the researchers investigated the remnants of planetary systems
>> around white dwarf stars; in this instance, SDSS1228+1040.
>>
>> Whilst similar to the formation of Saturn's rings, the scale of the
>> white dwarf and its debris is many times greater in size. Christopher
>> Manser explains:
>>
>> "The diameter of the gap inside of the debris ring is 700,000
>> kilometres, approximately half the size of the Sun and the same space
>> could fit both Saturn and its rings, which are only around 270,000 km
>> across. At the same time, the white dwarf is seven times smaller than
>> Saturn but weighs 2500 times more".
>>
>> While debris rings have been found at a handful of other white
>> dwarfs, the imaging of SDSS1228+1040 gives an unprecedented insight
>> into the structure of these systems.

Yet more astronomy crap to the physics group but not to an astronomy
group where it MIGHT actually be discussed.


-- 
Jim Pennino

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