Cool astronomy photos

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Fid
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Re: Cool astronomy photos

Post by Fid » Sun Nov 24, 2019 11:48 pm

Yup, that's why I chose it a pareidolia (face on Mars, pyramids) within a pareidolia (lion head).

Next the second Starlink satellite train. Hard to believe they could lay track in space though. Contains music.



Edit for spelling thanks even though speel check doesn't like that one either.
Last edited by Fid on Mon Nov 25, 2019 2:12 am, edited 1 time in total.
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Witness
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Re: Cool astronomy photos

Post by Witness » Mon Nov 25, 2019 12:21 am

↑ They will really ruin astrophotography! :x

And it's pareidolia (from eidolon, image).

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Fid
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Re: Cool astronomy photos

Post by Fid » Mon Nov 25, 2019 12:57 am

My concern also, with todays image processing though a bother it can (hopefully) be dealt with.

:oldman: Why I remember a time before the damn Ruskies put up that first piece of space junk.
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Re: Cool astronomy photos

Post by sparks » Mon Nov 25, 2019 5:58 pm

And then the dumb fuckers built a gaggle of RBMK reactors...

"You did not see graphite!!!"
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Witness
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Re: Cool astronomy photos

Post by Witness » Thu Nov 28, 2019 12:34 am

Classical Andromeda:

Image

That's an amateur pic: https://old.reddit.com/r/Astronomy/comm ... 3_qhy247c/

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Re: Cool astronomy photos

Post by Witness » Thu Nov 28, 2019 10:43 pm

Barred spiral NGC 1300:

Image

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Witness
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Re: Cool astronomy photos

Post by Witness » Fri Nov 29, 2019 11:52 pm

Image

From the Apollo archive (scaled down to comply with the new iniquitous drastic rules).

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Re: Cool astronomy photos

Post by Witness » Sun Dec 01, 2019 3:56 pm

Image

An original cross stitching. :)

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Fid
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Re: Cool astronomy photos

Post by Fid » Sun Dec 01, 2019 4:44 pm

That doth truly kick the ass.
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Witness
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Re: Cool astronomy photos

Post by Witness » Tue Dec 03, 2019 2:18 am

For Moon fans:


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Re: Cool astronomy photos

Post by Witness » Wed Dec 04, 2019 3:33 am


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Re: Cool astronomy photos

Post by sparks » Wed Dec 04, 2019 2:52 pm

I was under the mistaken impression that our Sun was about as small as a star could get and still maintain nuclear fusion. :? :?

And if there are stars smaller than Earth, why didn't Jupiter and Saturn ignite long ago?
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Abdul Alhazred
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Re: Cool astronomy photos

Post by Abdul Alhazred » Wed Dec 04, 2019 2:57 pm

Mass not size, sparks.
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Re: Cool astronomy photos

Post by sparks » Wed Dec 04, 2019 3:04 pm

Thank you Captain Obvious. :)
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Abdul Alhazred
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Re: Cool astronomy photos

Post by Abdul Alhazred » Wed Dec 04, 2019 5:41 pm

So what was your problem before, dipshit? :)
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Re: Cool astronomy photos

Post by Fid » Wed Dec 04, 2019 11:06 pm

If we could only easily transmute matter.

Talk about messing up astrophotography.

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Re: Cool astronomy photos

Post by sparks » Thu Dec 05, 2019 2:28 am

How is it that something is massive enough to sustain fusion can be smaller than the earth? Unless it's a neutron star, but oh, wait: If it's a neutron star, it no long maintains fusion now does it? Indeed, it could hardly have collapsed to become a neutron star if it did still support fusion.

Smart aleck! :)

So while all the stars in the pleasant little diagram can truthfully be called stars, there is a difference and an important one if I've reasoned correctly.

Ping an astronomer STAT!
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Fid
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Re: Cool astronomy photos

Post by Fid » Thu Dec 05, 2019 2:42 am

I'm probably wrong but they may be white dwarfs,like that little guy in Game of Thrones.
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Re: Cool astronomy photos

Post by sparks » Thu Dec 05, 2019 2:48 am

"A white dwarf, also called a degenerate dwarf, is a stellar core remnant composed mostly of electron-degenerate matter. A white dwarf is very dense: its mass is comparable to that of the Sun, while its volume is comparable to that of Earth. A white dwarf's faint luminosity comes from the emission of stored thermal energy; no fusion takes place in a white dwarf."

From linky: https://en.wikipedia.org/wiki/White_dwarf
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Re: Cool astronomy photos

Post by Bruce » Thu Dec 05, 2019 3:12 am

Cool links in there. Never heard of a black star before. Its basically like a black hole, but not strong enough to form a singularity or an event horizon, but its gravity is just strong enough to prevent its own light from escaping.

I can relate.

I'm just fat enough to be considered obese in medical terms, but not fat enough to be considered obese by any of the morbidly obese, nor fat enough to keep light from escaping so you can see me coming. :wink:
Such potential!