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Stellarator
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12 May 2019 01:01

Futurum Fusionem
 
vlad01
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12 May 2019 02:10

DoctorOfSpace wrote:

I have always wondered if life on Earth started independently more than once given the conditions and abundance of organic chemistry available?
 
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DoctorOfSpace
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06 Jun 2019 14:49

CPU: Intel Core i7-5820K 4.2GHz 6-Core Processor - RAM: G.Skill Ripjaws V Series 32GB (4 x 8GB) DDR4-2400 - GPU: EVGA GeForce GTX 1080 Ti SC Black Edition
Quando omni flunkus, moritati
 
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Watsisname
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07 Jun 2019 02:28

 
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FastFourierTransform
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09 Jun 2019 05:03

Watsisname did an excellent explanation in February of what would be like to accellerate with a ship at constant 1g. Now, the CoolWorlds Lab released a video just going through all the arguments :)




But before CoolWorlds Lab, even before Watsisname, there was this inspiring explanation from Carl Sagan:


 
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gamitha
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14 Jun 2019 05:35

Hubblecast - How the first stars transformed the Universe
https://www.youtube.com/watch?v=EUkBZgEpUV4
 
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gamitha
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14 Jun 2019 23:08

New Test of Einstein's Relativity

[youtube]K2fV50dpFgo[/youtube]
 
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Watsisname
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17 Jun 2019 16:39

PBS Space Time's latest video on how supermassive black holes extend their influence on and even beyond their host galaxies, to have far-reaching consequences on star formation.  It's also a nice review of the M-sigma relation (the surprising connection between the mass of the black hole and its host galaxy's bulge) and its implications, which I previously discussed in the Astronomy Q&A. :)

 
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Stellarator
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19 Jun 2019 01:45

Futurum Fusionem
 
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ChaosRobie
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23 Jul 2019 14:55

Exoplanet Multiplicity Distributions
https://www.youtube.com/watch?v=pcP8mp8ev0M
And the relevant paper: https://arxiv.org/pdf/1907.08148.pdf
Could be useful for making SpaceEngine more accurate (multiplanetary systems).
 
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Watsisname
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20 Sep 2019 23:33



Not all science papers/talks are about the researcher presenting a new discovery, or persuading you that their model of something works and that they understand it and how useful it is for science that they understand it.  In this case the claim is that something is weird with the stellar populations in globular clusters, which is quite inconvenient for our understanding of them, and that all the models that have tried to explain this so far in fact do not work.

I love these kinds of talks.  :)
 
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JackDole
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21 Sep 2019 01:03

Carl Sagan: If we do not destroy ourselves ...
The big if.
(Personally, I believe that this is the big filter, that all civilizations inevitably destroy themselves, be it through wars or through an irreparably destroyed environment.)
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)
 
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DoctorOfSpace
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21 Sep 2019 20:06

JackDole wrote:
Source of the post be it through wars or through an irreparably destroyed environment


Common neglect seems unlikely to be a great filter when we are already on the verge of colonizing other worlds.

A more likely great filter may just be reaching technological mastery and peaking with nowhere left to go or nothing left to discover leading to decay. Dyson swarms may not even be needed to reach this point.
CPU: Intel Core i7-5820K 4.2GHz 6-Core Processor - RAM: G.Skill Ripjaws V Series 32GB (4 x 8GB) DDR4-2400 - GPU: EVGA GeForce GTX 1080 Ti SC Black Edition
Quando omni flunkus, moritati
 
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JackDole
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21 Sep 2019 20:19

Honestly, I do not see ourselves in space for a long time. Too much politics. Too little money for proper space exploration. Not even an Elon Musk can change this in my opinion.
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)
 
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DoctorOfSpace
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21 Sep 2019 23:52

JackDole wrote:
Source of the post Too little money for proper space exploration. Not even an Elon Musk can change this in my opinion.

Until humans live there, then they will break away like in the The Expanse. 
CPU: Intel Core i7-5820K 4.2GHz 6-Core Processor - RAM: G.Skill Ripjaws V Series 32GB (4 x 8GB) DDR4-2400 - GPU: EVGA GeForce GTX 1080 Ti SC Black Edition
Quando omni flunkus, moritati

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