Cool astronomy photos

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Re: Cool astronomy photos

Post by Witness » Fri Sep 21, 2018 6:50 pm

The practically parallel sunlight makes for strange shadows. Am I the only one to get the impression of some rough, pitted, eggshell?

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Re: Cool astronomy photos

Post by Fid » Sat Sep 22, 2018 7:59 pm

A light source directly behind the observer tends to minimize the shadows caused by the surface relief. This is why the full moon is (with some exceptions) kind of boring telescopically. The walls of a crater near the terminator will cast long sharp dramatic shadows which diminish or increase as the sun rise or set proceeds.
Those shadows may be why lunar features are depicted as dramatic and un-eroded in science fiction movies like "Destination Moon" and "2001".

I expect some truly amazing pictures with other lighting angles.
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Re: Cool astronomy photos

Post by Witness » Sat Sep 22, 2018 10:39 pm

↑ Not what puzzled me. Better visible on this image:

Image

All the rocks have their own shadows towards the probe's shadow.

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Re: Cool astronomy photos

Post by Anaxagoras » Sun Sep 23, 2018 4:11 pm

A fool thinks himself to be wise, but a wise man knows himself to be a fool.
William Shakespeare

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Re: Cool astronomy photos

Post by Anaxagoras » Sun Sep 23, 2018 4:14 pm

A fool thinks himself to be wise, but a wise man knows himself to be a fool.
William Shakespeare

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Re: Cool astronomy photos

Post by sparks » Sun Sep 23, 2018 5:16 pm

HONK!!
You can lead them to knowledge, but you can't make them think.

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Re: Cool astronomy photos

Post by Doctor X » Mon Sep 24, 2018 6:23 am

ホークと思います。

雨の中に。[ だめ!--Ed.]

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Re: Cool astronomy photos

Post by Witness » Tue Sep 25, 2018 3:38 am


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Re: Cool astronomy photos

Post by Witness » Wed Sep 26, 2018 3:11 am

Image

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Re: Cool astronomy photos

Post by Witness » Sat Sep 29, 2018 2:33 am


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Re: Cool astronomy photos

Post by sparks » Sat Sep 29, 2018 5:22 pm

I'd love to have a print of that. That's fantastic!
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Re: Cool astronomy photos

Post by Witness » Sun Sep 30, 2018 2:49 am


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Re: Cool astronomy photos

Post by Witness » Mon Oct 01, 2018 12:19 am

"Astrolapse" by Adrien Mauduit:



You can watch it in 2160p if your screen's up to it.

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Re: Cool astronomy photos

Post by Abdul Alhazred » Mon Oct 01, 2018 2:19 pm

Not exactly astronomy, but the 60th anniversary of NASA.

https://apod.nasa.gov/apod/ap181001.html
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Re: Cool astronomy photos

Post by Witness » Tue Oct 02, 2018 1:42 am



Watchable in HiRez.

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Re: Cool astronomy photos

Post by Anaxagoras » Tue Oct 09, 2018 8:03 am

Apologies to those whose browsers can't display tweets.



Maybe you can see it here though:

https://www.digitaltrends.com/cool-tech ... images/#/1

If you follow the link there's also a youtube video of the whole launch (skip to 17 minutes in to see lift off, and about 24:30 to see the first stage land).
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Re: Cool astronomy photos

Post by Doctor X » Tue Oct 09, 2018 8:31 am

Where are all the chemtrail people to complain?

BECAUSE THEY GOT TO THEM!

--J.D.
Mob of the Mean: Free beanie, cattle-prod and Charley Fan Club!
"Doctor X is just treating you the way he treats everyone--as subhuman crap too dumb to breathe in after you breathe out."--Don
DocX: FTW.--sparks
"Doctor X wins again."--Pyrrho
"Never sorry to make a racist Fucktard cry."--His Humble MagNIfIcence
"It was the criticisms of Doc X, actually, that let me see more clearly how far the hypocrisy had gone."--clarsct
"I'd leave it up to Doctor X who has been a benevolent tyrant so far."--Grammatron
"Indeed you are a river to your people.
Shit. That's going to end up in your sig."--Pyrrho
"Try a twelve step program and accept Doctor X as your High Power."--asthmatic camel
"just like Doc X said." --gnome

WS CHAMPIONS X3!!! NBA CHAMPIONS!! Stanley Cup! SB CHAMPIONS X5!!!!!
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Re: Cool astronomy photos

Post by Witness » Wed Oct 10, 2018 12:31 am

Image

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Re: Cool astronomy photos

Post by Anaxagoras » Wed Oct 10, 2018 2:49 am

Image
A fool thinks himself to be wise, but a wise man knows himself to be a fool.
William Shakespeare

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Re: Cool astronomy photos

Post by Witness » Tue Oct 16, 2018 2:46 am

Bad news: Hubble is on his last gyros.

Image

Details: https://www.bbc.com/news/science-environment-45788412

:(