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Forum » SpaceEngine » Off-topic Discussions » Space Stuff Collection (Post here any random space stuff you want to share)
Space Stuff Collection
HarbingerDawnDate: Friday, 02.11.2012, 20:30 | Message # 46
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Quote (SpaceEngineer)
There should also show a version what shows difference in lighting on worlds, but I guess Titan will be too dark

Why though? The human eye would adjust and the scenes would look properly exposed for each. Comparing them both side-by-side like that would not make much sense.



NGC 4216, 4206, and 4222






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Edited by HarbingerDawn - Friday, 02.11.2012, 21:05
 
SpaceEngineerDate: Saturday, 03.11.2012, 15:24 | Message # 47
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Quote (HarbingerDawn)
Why though? The human eye would adjust and the scenes would look properly exposed for each. Comparing them both side-by-side like that would not make much sense.

For inner planets it is true, but Titan is too dark anyway, lighting on it's surface is comparable to dawn on Earth, then Sun is below horizon. This is near the limit of eye adapting capabilities.





 
HarbingerDawnDate: Saturday, 03.11.2012, 23:07 | Message # 48
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Quote (SpaceEngineer)
This is near the limit of eye adapting capabilities.

I guess you're right. One of the things that I meant was that it would be better to compare them in separate images, so that the eye could adjust each one's brightness on the monitor individually. But now that I think about it that really doesn't matter so much for just a comparison.





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neutronium76Date: Sunday, 04.11.2012, 07:59 | Message # 49
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I found this quite interesting:



angry2 how do you guys embed videos?? It can't be that difficult I tried all sorts of combinations

Thank God it is not going to be that difficult in SE cool !





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Edited by neutronium76 - Sunday, 04.11.2012, 08:14
 
HarbingerDawnDate: Sunday, 04.11.2012, 08:23 | Message # 50
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Quote (neutronium76)
how do you guys embed videos?? It can't be that difficult I tried all sorts of combinations

[video] smile

(I fixed yours for you, you can look at the code to see how to do it)

There is quite a lot of fail in that video... if you look down by a few months you can see some comments I left when I first watched it a long time ago (actually these were directed at other commenters, not the video itself).





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Edited by HarbingerDawn - Sunday, 04.11.2012, 08:30
 
neutronium76Date: Sunday, 04.11.2012, 09:11 | Message # 51
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Thanks for the correction Mr Harb!

Regarding the video I think I am in agreement with this guy's comments:

Quote

Kevin Koutney 5 months ago

This guy has no idea how to calculate velocity with vectors does he? There is no combined speed but there is a more complex function. and earth can't be moving in seven different directions. there may be 7 factors to the motion of the earth but only 3 directions


Of course your comments are also true and valid smile





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AerospacefagDate: Thursday, 08.11.2012, 21:19 | Message # 52
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http://z0r.de/3585
Well... that was unexpected.
 
SolarisDate: Friday, 09.11.2012, 04:51 | Message # 53
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3D animation of many nebulae, by a Finnish astronomical photographer :
http://astroanarchy.blogspot.fr/search/label/animations

The Pelican Nebula in Cygnus :
 
WatsisnameDate: Saturday, 10.11.2012, 06:11 | Message # 54
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This is now my favorite galaxy. happy






 
SolarisDate: Saturday, 10.11.2012, 16:00 | Message # 55
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Polar ring galaxies look so odd.. I wish we'll see some of them in SE smile
 
AerospacefagDate: Sunday, 11.11.2012, 01:55 | Message # 56
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Something I stumbled upon today (thanks to Scott Manley).



And something I've found before.

 
HarbingerDawnDate: Sunday, 11.11.2012, 05:25 | Message # 57
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I've seen both of those videos before, they're both very good. The second one is very informative and gives some sense of what it is like to work in a big international program like ISS. This first one is wonderful because it helps you get a sense of what it would actually be like to board and launch in a Soyuz spacecraft (before watching that video I never knew they boarded through the orbital module!)




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OrbitalResonanceDate: Monday, 12.11.2012, 02:45 | Message # 58
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The recently revised planetary system of HD 40307 used to only be 6 lightyears away from our solar system 413,000 years ago, one of our nearest stars. The individual movements of stars in their orbit around our galaxy cause each star to drift toward and away from each other. Their set of neighbors is in constant change. So, the closest star system to us Alpha Centauri, is only so for a relativity brief amount of time. A hundred million years from now it may be on the other side of the galaxy.

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Water
The mantle is saturated in as much as 26 times as much water as there is in the ocean. The rock in planets is porous enough to allow for water to soak in. There has to be enough water on the planet for the entire subsurface to be saturated in water before it builds up on the surface. So our oceans are just the overflow from the mantle sponge below.

This also raises the idea that there might be alot of water in the subsurface of Venus, Mars and Mercury.

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The Earth started out with a hundred times more water than it does today.
It all came from accretion, mixed in there with everything else. About 100 million years after formation there were no continents, the entire surface was covered in ocean broken by many volcanoes. The crust below was still partially motion and heated the ocean from below. The atmosphere was also estimated to be ten times thicker.

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"We make our world significant by the courage of our questions and the depth of our answers" - Carl Sagan
 
werdnaforeverDate: Monday, 12.11.2012, 17:56 | Message # 59
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HarbingerDawnDate: Monday, 12.11.2012, 18:16 | Message # 60
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Quote (werdnaforever)
Saturn V for Dummies

I ♥ this





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