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tech / sci.astro.amateur / Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample

Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample

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Subject: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample
From: csoka01@gmail.com (StarDust)
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by: StarDust - Wed, 11 Oct 2023 20:51 UTC

https://www.bbc.com/news/science-environment-67078632

Looks like coal, stuff we use to heat our house!
🤣😃

Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample

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Subject: Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample
From: csoka01@gmail.com (StarDust)
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by: StarDust - Thu, 12 Oct 2023 01:46 UTC

On Wednesday, October 11, 2023 at 6:07:11 PM UTC-7, RichA wrote:
> On Wednesday, 11 October 2023 at 16:51:09 UTC-4, StarDust wrote:
> > https://www.bbc.com/news/science-environment-67078632
> >
> > Looks like coal, stuff we use to heat our house!
> > 🤣😃
> They lucked-out. Due to the fineness of some of the rock, they got a lot of extra "dust" in the craft which can be added to the actual sample.
> Not coal. No plants where it came from, but the carbon content is interesting.

OK, than where the carbon comes from in space?

Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample

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Date: Thu, 12 Oct 2023 15:13:37 +0200
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by: Sjouke Burry - Thu, 12 Oct 2023 13:13 UTC

On 12.10.23 3:46, StarDust wrote:
> On Wednesday, October 11, 2023 at 6:07:11 PM UTC-7, RichA wrote:
>> On Wednesday, 11 October 2023 at 16:51:09 UTC-4, StarDust wrote:
>>> https://www.bbc.com/news/science-environment-67078632
>>>
>>> Looks like coal, stuff we use to heat our house!
>>> 🤣😃
>> They lucked-out. Due to the fineness of some of the rock, they got a lot of extra "dust" in the craft which can be added to the actual sample.
>> Not coal. No plants where it came from, but the carbon content is interesting.
>
> OK, than where the carbon comes from in space?
>
From inside an exploding supernova star.

Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample

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From: clp@alumni.caltech.edu (Chris L Peterson)
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Subject: Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample
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by: Chris L Peterson - Thu, 12 Oct 2023 13:58 UTC

On Wed, 11 Oct 2023 18:46:39 -0700 (PDT), StarDust <csoka01@gmail.com>
wrote:

>On Wednesday, October 11, 2023 at 6:07:11?PM UTC-7, RichA wrote:
>> On Wednesday, 11 October 2023 at 16:51:09 UTC-4, StarDust wrote:
>> > https://www.bbc.com/news/science-environment-67078632
>> >
>> > Looks like coal, stuff we use to heat our house!
>> > ??
>> They lucked-out. Due to the fineness of some of the rock, they got a lot of extra "dust" in the craft which can be added to the actual sample.
>> Not coal. No plants where it came from, but the carbon content is interesting.
>
>OK, than where the carbon comes from in space?

Carbon is the fourth most abundant element in the Universe, after
hydrogen, helium, and oxygen. It forms inside stars, and is scattered
by supernovas.

Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample

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From: '''newspam'''@nonad.co.uk (Martin Brown)
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Subject: Re: Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid
sample
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by: Martin Brown - Thu, 12 Oct 2023 21:01 UTC

On 12/10/2023 02:46, StarDust wrote:
> On Wednesday, October 11, 2023 at 6:07:11 PM UTC-7, RichA wrote:
>> On Wednesday, 11 October 2023 at 16:51:09 UTC-4, StarDust wrote:
>>> https://www.bbc.com/news/science-environment-67078632
>>>
>>> Looks like coal, stuff we use to heat our house!
>>> 🤣😃
>> They lucked-out. Due to the fineness of some of the rock, they got a lot of extra "dust" in the craft which can be added to the actual sample.
>> Not coal. No plants where it came from, but the carbon content is interesting.
>
> OK, than where the carbon comes from in space?

Shed from stars nearing the end of their life as red giants. Carbon
stars are fun to look at many of them are visibly deep red! Basically
they are big cool sooty stars losing carbon from their surface.

It is a side effect of stellar evolution that on the main sequence
heavier stars run a CNO cycle burning hydrogen in their core. So when
the hydrogen and helium fuel runs out there is loads of C, N & O.

Hind's Crimson Star aka R Leporis is one such example. It is almost LED
red. S&T did a nice article on observing them about 5 years ago.

https://skyandtelescope.org/observing/observing-carbon-stars/

Astronomers had been observing the spectrum of Buckminsterfullerenes as
dust in space long before it was isolated on Earth. It was an unknown
compound with no know terrestrial match until it was synthesised.

It was later realised that you could extract fullerenes from common soot
using benzene but no-one had ever done that experiment! Or if they had
noticed and reported the peculiar properties of the isolate.

--
Martin Brown

Subject	Author
Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample	StarDust
Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample	StarDust
Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample	Sjouke Burry
Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid sample	Chris L Peterson
Osiris-Rex: Nasa reveals first look at 'beautiful' asteroid	Martin Brown