Cool astronomy photos

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Witness
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Re: Cool astronomy photos

Fid wrote:A repost from some pages back of a heart breakingly beautiful moonrise.

https://io9.gizmodo.com/5980370/a-moonr ... -ever-seen
Did you notice that for us "Northern-Hemispherers" this moon is upside down?

Photography fact: moon surface is in sunlight, so should be exposed the same as terrestrial landscape in sunlight. Save that the moon's material is very dark (3 stops or only 12.5% of terrestrial objects' mean albedo) – roughly like coal.
Doesn't seem that way, uh?

Another: looking at a portrait we get unconscious cues about the distance to the person from the relative sizes of nose/eyes/ears, from the same perspective "distortions" (in fact just geometry) at work in the moon videos. So if you want the spectator to feel (sometimes uncomfortably) "near" the subject, part of the action, use a wide angle; normal, socially acceptable distance, use a normal lens; want that sophisticated model seem far away, unapproachable, go for telephoto. Even if the face is the same size in the final print.

Fid
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Re: Cool astronomy photos

Witness wrote:
Fid wrote:A repost from some pages back of a heart breakingly beautiful moonrise.

https://io9.gizmodo.com/5980370/a-moonr ... -ever-seen
Did you notice that for us "Northern-Hemispherers" this moon is upside down?

Photography fact: moon surface is in sunlight, so should be exposed the same as terrestrial landscape in sunlight. Save that the moon's material is very dark (3 stops or only 12.5% of terrestrial objects' mean albedo) – roughly like coal.
Doesn't seem that way, uh?

Another: looking at a portrait we get unconscious cues about the distance to the person from the relative sizes of nose/eyes/ears, from the same perspective "distortions" (in fact just geometry) at work in the moon videos. So if you want the spectator to feel (sometimes uncomfortably) "near" the subject, part of the action, use a wide angle; normal, socially acceptable distance, use a normal lens; want that sophisticated model seem far away, unapproachable, go for telephoto. Even if the face is the same size in the final print.
Regarding the upside down moon, leave it to the damn Kiwis to damage a perfectly good natural satellite.
Seriously though I hope to visit the southern hemisphere if only to be utterly confused by the night sky.
What with their large and small magical clouds and please a constellation called Crotch really.
"Try SCE to AUX."
Yeah, me and an electrified atmosphere ain't friends.

Abdul Alhazred
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Re: Cool astronomy photos

Fid wrote: ... leave it to the damn Kiwis to damage a perfectly good natural satellite ...
Fixed. HTH.

Relax.

Any man writes a mission statement spends a night in the box.
-- our mission statement plappendale

sparks
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Re: Cool astronomy photos

No one, and I mean no one rotates except ed AA!!!

You've risked an interphasic rift that could've torn Teh Great Twat a new asshole thereby allowing Teh Cosmic Fucktard to destroy us all.

Now, knock off the horseplay dipshit!
You can lead them to knowledge, but you can't make them think.

Witness
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Re: Cool astronomy photos

APOD wrote: It looks like a big space diamond -- but with craters. It's 162173 Ryugu (Dragon's Castle), and Japan's robotic Hayabusa2 mission is now arriving at this near-Earth asteroid. Ambitious Hayabusa2 is carrying an armada of separable probes, including two impactors, four small close-proximity hoverers, three small surface hoppers, and the Mobile Asteroid Surface Scout (MASCOT) which will land, study, and move around on Ryugu's surface. Most of these are equipped with cameras. Moreover, Hayabusa2 itself is scheduled to collect surface samples and return these samples to Earth for a detailed analysis near the end of 2020. Previously, what was known about asteroid Ryugu was its orbit, that it spans about one kilometer, and that it has a dark surface that reflects unusual colors. Studying Ryugu could tell humanity not only about Ryugu's surface and interior, but about what materials were available in the early Solar System for the development of life. Pictured, a series of approach images shows features suggestive of large boulders and craters.
https://apod.nasa.gov/apod/ap180625.html

Let's hope the little thingies will work as projected!

Fid
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Re: Cool astronomy photos

Yeah right,I know a young borg when I see one.
"Try SCE to AUX."
Yeah, me and an electrified atmosphere ain't friends.

Rob Lister
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NASA announced on Wednesday that the James Webb Space Telescope, once scheduled to be launched into orbit around the sun this fall, will take three more years and another billion dollars to complete. A report delivered to NASA by an independent review board estimated that the cost of the troubled Webb telescope would now be $9.66 billion, and that it would not be ready to launch until March 30, 2021. https://www.nytimes.com/2018/06/27/scie ... -nasa.html At some point asking wtf is appropriate. It is impossibly complex. I say just launch the fucker and if it doesn't happen, then everybody on the team is fired for cause. sparks Posts: 14184 Joined: Fri Oct 26, 2007 4:13 pm Location: Friar McWallclocks Bar -- Where time stands still while you lean over! Has thanked: 2009 times Been thanked: 626 times Re: Cool astronomy photos Damnit. It does not instill confidence when they are both late and asking for another cool Billion. Fuck. You can lead them to knowledge, but you can't make them think. Bruce Posts: 19787 Joined: Wed Jun 09, 2004 11:46 pm Title: Bruce of all Bruces Location: Massachusetts Has thanked: 313 times Been thanked: 491 times Re: Cool astronomy photos Windows upgrade. Old software is no longer compatible. Such potential! Witness Posts: 17263 Joined: Thu Sep 19, 2013 5:50 pm Has thanked: 2129 times Been thanked: 2901 times Re: Cool astronomy photos ↑ Happy taxpayers! Update: Hell Yes, Japan’s Hayabusa2 Spacecraft Has Officially Entered Orbit Around the Ryugu Asteroid After nearly four years of traveling through space, the Hayabusa2 spacecraft has successfully rendezvoused with the Ryugu asteroid, the Japan Aerospace Exploration Agency confirmed Wednesday. Let the next stage of this historic sampling-and-return mission begin! Earlier today, mission controllers at JAXA triggered Hayabusa2’s chemical propulsion thrusters, bringing the spacecraft into orbit around Ryugu, an asteroid that’s just shy of one kilometer (0.6 miles) wide. Confirmation of the rendezvous was made at 9:35 am Japan Standard Time (JST). JAXA says Hayabusa2's thrusters worked normally, and that the spacecraft is maintaining a constant distance from Ryugu. “From this point, we are planning to conduct exploratory activities in the vicinity of the asteroid, including scientific observation of asteroid Ryugu and surveying the asteroid for sample collection,” explained JAXA in a press release. https://gizmodo.com/hell-yes-japan-s-ha ... 1827166767 Another update: Rosetta's images are now all online: https://imagearchives.esac.esa.int/inde ... category/1. Anaxagoras Posts: 22023 Joined: Wed Mar 19, 2008 5:45 am Location: Yokohama/Tokyo, Japan Has thanked: 1430 times Been thanked: 1283 times Re: Cool astronomy photos Rob Lister wrote: NASA announced on Wednesday that the James Webb Space Telescope, once scheduled to be launched into orbit around the sun this fall, will take three more years and another billion dollars to complete. A report delivered to NASA by an independent review board estimated that the cost of the troubled Webb telescope would now be$9.66 billion, and that it would not be ready to launch until March 30, 2021.
https://www.nytimes.com/2018/06/27/scie ... -nasa.html

At some point asking wtf is appropriate. It is impossibly complex. I say just launch the fucker and if it doesn't happen, then everybody on the team is fired for cause.
That's sad. Still, I'd rather have one in 3 years that works than an expensive piece of space junk now.

I agree that the complexity is a big worry. Too many things have to go exactly right.
A fool thinks himself to be wise, but a wise man knows himself to be a fool.
William Shakespeare

Witness
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Re: Cool astronomy photos

Witness
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Re: Cool astronomy photos

Take a peek: right now Mars is just under the Moon.

shemp
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Re: Cool astronomy photos

So am I.
"It is not I who is mad! It is I who is crazy!" -- Ren Hoek

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Grammatron
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Re: Cool astronomy photos

Anaxagoras wrote:
Rob Lister wrote:
NASA announced on Wednesday that the James Webb Space Telescope, once scheduled to be launched into orbit around the sun this fall, will take three more years and another billion dollars to complete. A report delivered to NASA by an independent review board estimated that the cost of the troubled Webb telescope would now be \$9.66 billion, and that it would not be ready to launch until March 30, 2021.
https://www.nytimes.com/2018/06/27/scie ... -nasa.html

At some point asking wtf is appropriate. It is impossibly complex. I say just launch the fucker and if it doesn't happen, then everybody on the team is fired for cause.
That's sad. Still, I'd rather have one in 3 years that works than an expensive piece of space junk now.

I agree that the complexity is a big worry. Too many things have to go exactly right.
At this point it's approaching the total cost of LHC and I am not sure James Webb Space Telescope is more complex than that. It's can't just be complexity, quite a bit of incompetence has to be going on either in execution or planning stages.

Anaxagoras
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Re: Cool astronomy photos

Unlike the LHC though, they only have one chance to get it right. If a part of the LHC is busted, it can be replaced or repaired. Not so with this telescope (unlike the Hubble which was (is) in an orbit where it could be serviced).
A fool thinks himself to be wise, but a wise man knows himself to be a fool.
William Shakespeare

Grammatron
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Re: Cool astronomy photos

Anaxagoras wrote:Unlike the LHC though, they only have one chance to get it right. If a part of the LHC is busted, it can be replaced or repaired. Not so with this telescope (unlike the Hubble which was (is) in an orbit where it could be serviced).
That's true but that alone doesn't explain the run-away budget and production schedule.

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Re: Cool astronomy photos

Anaxagoras
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Re: Cool astronomy photos

Has to be on purpose, although he's pretty deadpan about it.
Something absolutely huge slammed into Uranus when it was still young
A fool thinks himself to be wise, but a wise man knows himself to be a fool.
William Shakespeare

Doctor X
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Re: Cool astronomy photos

Honk!

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