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SpaceEngineer
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BREAKING: New potentially habitable exoplanet found around Teegarden's star

27 Jun 2019 06:19

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SpaceEngine does not add new exoplanets automatically. I do it myself and release in a next planned update.
 
A-L-E-X
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BREAKING: New potentially habitable exoplanet found around Teegarden's star

29 Jun 2019 20:49

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JackDole wrote:
A-L-E-X wrote:
Source of the post Will this planet be added to 0.990 automatically or should I add JD's version manually?

In the latest version of SE 0.990, the planets of Teegarden's Star are already included.
You do not need my version anymore.


Oh sorry, I thought those were procedurals, I didn't know that star had so many planets!
 
A-L-E-X
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BREAKING: New potentially habitable exoplanet found around Teegarden's star

29 Jun 2019 20:55

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SpaceEngineer wrote:
SpaceEngine does not add new exoplanets automatically. I do it myself and release in a next planned update.

Thanks I love the 1660 Beta!
It works well but there are a couple of things I dont understand

I have either found a bug or a side effect of the new version.  When you land on a planet or moon and there are objects in the sky, you can click on some of them to highlight them and view their names and go to them as with the previous version.  But on some you can't do that!  Why is that?  Some of the objects I cant select or go to by clicking on them are objects in the solar system of the object I am on and some are other stars- there doesn't seem to be any pattern to it.  I can select and go to objects just fine if I am in space, just not in many cases if I am on the surface of an object.
I am on 1660 Beta now and the graphics memory usage is much less so I am in Ultra mode now [img=24x24]http://forum.spaceengine.org/images/smilies/icon_e_smile.png[/img]
One thing with the new version, I see a saturation illumination slider and it is set to Auto, what does that do?  I tried unchecking Auto and changed the setting to 2, and it changes the colors of the atmosphere and when set all the way up it makes a planet and its atmosphere look red?  When set to Auto it shows a pattern of different colors for the atmosphere depending on whether the sun is in the field of view, so I kept it at that.
 
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JackDole
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BREAKING: New potentially habitable exoplanet found around Teegarden's star

29 Jun 2019 22:10

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A-L-E-X wrote:
Source of the post oh sorry, I thought those were procedurals, I didn't know that star had so many planets!

There are only two planets. And with the latest version of course I meant version 35.1660. (I had this version already a bit earlier.)
(Of course, the many planets in the previous version were procedural.)
JackDole's Universe 0.990: http://forum.spaceengine.org/viewtopic.php?f=3&t=546
JackDole's Archive: http://forum.spaceengine.org/viewtopic.php?f=3&t=419
JackDole: Mega structures ... http://old.spaceengine.org/forum/17-3252-1 (Old forum)
 
A-L-E-X
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BREAKING: New potentially habitable exoplanet found around Teegarden's star

30 Jun 2019 00:10

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I see that was cleaned up in the new version and that planets I had previously saved look different now (different colored skies and different terrain!)

Any idea why when you land on a planet that the objects in its sky are sometimes not selectable by clicking on them?  It happens with some objects and not others.
 
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The search for habitable exoplanets in Alpha Centauri

26 Oct 2019 12:13

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In October 2012, astronomers announced the discovery of an exoplanet orbiting the star Alpha Centauri B. However, three years later, they concluded that it probably doesn’t exist. In 2013, astronomers also detected another possible exoplanet, but it hasn’t been confirmed yet. As of today, no exoplanets have been discovered around Alpha Centauri A or B.

There are several ongoing projects to search for habitable exoplanets in Alpha Centauri:

The Expresso spectrograph, which started operating in October 2018, is able to detect radial velocities of less than 10 cm/s.

Another promising instrument is called NEAR, which stands for Near Earths in the AlphaCen Region. NEAR is a thermal infrared coronagraph that blocks most of the light coming from Alpha Centauri in order to resolve possible exoplanets around the star. This coronagraph can detect exoplanets 2 times the radius of the Earth.

Project Blue is another interesting project that might help us discover the closest Earth-like planet. It is a small space telescope with a coronagraph that will directly image the habitable zones of the Alpha Centauri system. The telescope will be able to detect exoplanets between 0.5 and 1.5 times the radius of the Earth. The launch of the telescope is expected to take place in 2023.

NASA is also working on a space telescope with coronagraph called ACEND, which stands for Alpha Centauri Direct Imager.

Breakthrough Initiatives is now working on a space telescope called TOLIBOY that will use astrometry to map the motion of the Alpha Centauri stars and search for a perturbation in the positions. The telescope is expected to be launched in 2021.

Source: https://www.youtube.com/watch?v=hYEpxEVXmZc

Do you think all the agencies and companies should join efforts and build just 1 big space coronagraph, or, as they seem to be doing now, work on different ones?
 
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Salvo
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The search for habitable exoplanets in Alpha Centauri

28 Oct 2019 01:13

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I think they'll work on different ones and then work together for the same goal.
It's a good thing to have multiple instruments looking at the same thing, so you can be sure is not an artifact or a false positive.
The universe is not required to be in perfect harmony with human ambition.

CPU: Intel Core i7 4770 GPU: Sapphire Radeon RX 570 RAM: 8 GBs
 
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midtskogen
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The search for habitable exoplanets in Alpha Centauri

28 Oct 2019 06:58

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At least one very powerful flare has been observed emitted from Alpha Centauri B, which would quickly toast most Earth life including humans, so any planets would not be "habitable" in the literal sense.
NIL DIFFICILE VOLENTI
 
A-L-E-X
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The search for habitable exoplanets in Alpha Centauri

29 Oct 2019 03:42

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midtskogen wrote:
At least one very powerful flare has been observed emitted from Alpha Centauri B, which would quickly toast most Earth life including humans, so any planets would not be "habitable" in the literal sense.

These red dwarfs might be a no go for life.  We should stick with sunlike stars like Tau Ceti and Epsilon Eridani which have a much higher chance for life.

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