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• #616

21 May 2017 21:28

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• #617

21 May 2017 23:50

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• #618

22 May 2017 02:21

Actually I stitched several regular screenshots together with a stereographic projection.  Fish-eye mode in SE would be similar, but this allows more versatility and higher resolution.

The image is of the whole sky of a terra with a pink atmosphere, during a total solar eclipse.  All around the horizon you can see beyond the shadow to sunlit pink sky, and near the sun is an evaporating planet, spreading its tail like a comet.

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• #619

22 May 2017 08:54

I've been playing around with Earth a lot lately.

► Show Spoiler

At first I have put Earth onto different orbits around different types of stars. I have only specified radii, masses, bump map, bump height, atmosphere, semi-major axes and eccentricity - 0 in almost all cases. Then I added life to see what colour the plant life gets.
Cloud cover is disabled, so you can see the terrain clearly.


Earth tidally locked to an L5V brown dwarf, which looks like a red blister with apparent size of 4°43'. Plant life is dark blue it appears.


Orbiting an M6V red dwarf, Earth is still tidally locked. The star's apparent size is just under 2°. Can you see that little splash of water in the Puerto Rico trench?


At K2V, the curse of tidal locking has been broken. Parent star is 0°56' large.


G6V, things are getting familiar. 0°37' sun and green plant life. Although the oceans are 5-6 kilometers lower.


G2V type star looks 0°33', almost like the real Sun. But we may have serious problems with flooding.


0°30' is just like our Sun, but it's an F6V and we have even more water. (Reminds me of Waterworld)


F2V star would appear 0°26' large.


At 0°20' - A7V star, Plants have switched to something else than chlorophyll.


A1V has an apparent size of 0°13'. Past this point, environment is getting really hostile to known life. At least the shoreline almost matches that of real Earth. 


B6V - 0°05' is one sixth of the apparent size of the Sun. Would it be possible for life to evolve here? Could imported life survive?


B1V - 0°01'. Let's assume, that in far future, we find a really earthlike planet in such a mess. Would we bother colonising it, while it's still there?


O5V - 0°00'26''. I am beginning to think that it's time to stop.


Or isn't it? This Earth orbits a 200000°C neutron star, which has an apparent size of 0°00'02''. I think a light source of this apparent diameter could cause raindrops in a thunderstorm to cast individual shadows. Earth is tidally locked again.
No, I don't believe such planet could harbor life of any kind.


Earth orbits a stellar-mass black hole. It has a bit of eccentricity for tidal heating. I had to manually input rotation period, because the "night" side would not be covered in ice. All of the planet experiences an eternal night. Ambient light is up for you to actually see the planet. Forget about the rings. They would not exist. (Hill sphere was around 60000 km in this case)

[spoiler]No more crazy experiments with lab rodents...


Here I put Earth around a K type star I think onto an orbit similar to that of the real life Earth. I did not specify planet type. It produced an interesting Titan.


Earth was assimilated by the Borg. I attempted to recreate the scene from Star Trek: First Contact.
[/spoiler]

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• #620

22 May 2017 12:30

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• #621

22 May 2017 14:25

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Here's a scorched desert planet orbiting a binary Zircon Star during the night of its ~10 hour day.

Here's the view from the planet during the day. The planet has an atmosphere of H2O, O2, C2H2, C2H4, and NH3 among other compunds, and the entire system in barely over two million years old.

The Photodetective game

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• #622

24 May 2017 00:42

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• #623

24 May 2017 00:47

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• #624

24 May 2017 01:45

What type of planet is it Roswell?

It's Titan type Xoran

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• #625

24 May 2017 09:18

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• #626

24 May 2017 11:18

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• #627

24 May 2017 12:51

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• #628

24 May 2017 13:21

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• #629

31 May 2017 10:46

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• #630

31 May 2017 15:15

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