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Dyson Spheres, The Ultimate Alien Megastructures, Are Missing From The Galaxy
Fortune ^ | May 3, 2018 | Ethan Siegel

Posted on 05/04/2018 5:48:07 AM PDT by C19fan

Perhaps the greatest 'holy grail' in all of astronomy is the search for life, and particularly intelligent life, beyond Earth. Given that life arose so plentifully and easily here on our home planet, and that the ingredients for life are everywhere we look throughout the Universe, it seems like a foregone conclusion that we wouldn't be alone. The Milky Way, all on its own, has approximately 400 billion stars, each with its own unique history and chances for life to have arisen. Despite how technologically advanced humans have become, SETI searches have all come up empty, perhaps implying that technologically advanced civilizations aren't communicating in ways we would have thought. But an advanced-enough planet might have built a sphere around their Sun — a Dyson sphere — to harness 100% of its energy. Incredibly, we now have the technology to detect them. If, that is, they exist.

(Excerpt) Read more at forbes.com ...


TOPICS: Astronomy; Science
KEYWORDS: aliens; xplanets
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To: C19fan

All of the ingredients for life are available throughout the observable universe. Not necessarily all. The Will of God is necessary for life to emerge.


21 posted on 05/04/2018 6:20:30 AM PDT by ThanhPhero
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To: C19fan

There are plenty of Dyson ‘spheres’, they’ve morphed into vacuum cleaners and prefer to be called Dyson balls :)


22 posted on 05/04/2018 6:21:04 AM PDT by hughesm1 (The left is at war with natural law, human nature.)
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To: Moonman62

I also like the statement about the ingredients for life being so plentiful. Would someone mind telling me what the ingredients for life are, because no seems to have an idea what to do with them.


23 posted on 05/04/2018 6:21:42 AM PDT by wbarmy (I chose to be a sheepdog once I saw what happens to the sheep.)
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To: C19fan

IF there is life on another planet, why do we always assume it is intelligently advanced beyond life on our planet?


24 posted on 05/04/2018 6:21:44 AM PDT by Cletus.D.Yokel (Catastrophic, Anthropogenic Climate Alterations: The acronym explains the science.)
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To: Born to Conserve

“Dyson spheres are interesting, but they are also a silly extrapolation.”

No they aren’t. A Dyson megasphere, now THAT is a silly extrapolation.


25 posted on 05/04/2018 6:22:13 AM PDT by RFEngineer
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To: ctdonath2

We don’t know that.

...

That’s our current knowledge. If you can do better you’d be in line for a Noble Prize.


26 posted on 05/04/2018 6:22:32 AM PDT by Moonman62 (Give a man a fish and he'll be a Democrat. Teach a man to fish and he'll be a responsible citizen.)
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To: robroys woman

Great point.

If we see a gravity well that has no corresponding star, that might be a clue.


27 posted on 05/04/2018 6:28:18 AM PDT by redgolum
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To: C19fan

This Dyson Sphere hypothesis appears to have the smell of Sophomore dorm room marijuana in its origins.


28 posted on 05/04/2018 6:29:54 AM PDT by lurk
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To: ShadowAce

Dyson spheres exist. That solar panel on a house roof top is a start. Just 1 x 10 e 22 more to go.


29 posted on 05/04/2018 6:30:20 AM PDT by TheNext
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To: C19fan

Find Alien civilizations out there, what could possibly go wrong? https://www.youtube.com/watch?v=08TFTAnlnUs&t=148s


30 posted on 05/04/2018 6:31:34 AM PDT by Bringbackthedraft (Damn Tag line, fouled up again, thanks cursor.)
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To: C19fan

Who knew!

https://www.google.com/search?q=dyson+vacuum+pictures&tbm=isch&source=iu&ictx=1&fir=dnMaQ1VZ0oLq6M%253A%252CY_AFtCYeJ7pm4M%252C_&usg=__UV_tjTSfDaUcyGKQJpHgPkq_Nf8%3D&sa=X&ved=0ahUKEwj—e6HluzaAhUL74MKHdQuBo0Q9QEIuQIwAA#imgrc=dnMaQ1VZ0oLq6M:


31 posted on 05/04/2018 6:33:49 AM PDT by G Larry (There is no great virtue in bargaining with the Devil)
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To: C19fan
Given that life arose so plentifully and easily here on our home planet....

Easily, eh? Let's see you do it, Siegel.

Anyone else?

32 posted on 05/04/2018 6:36:33 AM PDT by onedoug
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To: Moonman62
The most likely explanation is they don’t exist.

Correct. All civilizations eventually develop technology sufficient enough to allow social media and cell phones, followed quickly by complete collapse of said civilization.


33 posted on 05/04/2018 6:42:33 AM PDT by Sirius Lee (In God We Trust, In Trump We MAGA)
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To: Gil4

“Given that life arose so plentifully and easily here on our home planet

Just because He made it look easy doesn’t mean it’s easy. “

Saw what you did there.......Nice!

KYPD


34 posted on 05/04/2018 6:45:22 AM PDT by petro45acp (It is just that the left,progressive,socialist,antifa,fascist endgame seems so inhuman...unfree)
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To: C19fan

What are these, galactic vacuum cleaners?

Who changes the bag? Oh that’s right; Dysons don’t have bags.


35 posted on 05/04/2018 6:46:25 AM PDT by Attention Surplus Disorder (Apoplectic is where we want them.)
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To: Born to Conserve

Why make a structure to collect the energy from a star when you can make a star that fits in your pocket? Dyson spheres are interesting, but they are also a silly extrapolation.

___________________________________________________________

They are silly indeed.

With water you can make energy the same way stars do, fusion. Why go through all the construction of a Dyson sphere?

For us trying to find other civilizations based on the technology we understand is like plains Indians trying to find future civilizations using smoke signals. In the future there may very well be no communications via electromagnetic spectrum, we simply don’t know what will be at hand in a thousand years, we don’t even know enough to speculate.


36 posted on 05/04/2018 6:49:22 AM PDT by JAKraig (my religion is at least as good as yours)
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To: chrisser

If you build a physical barrier around your star to capture 100% of is energy, cloaking technology has to be in there somewhere.


37 posted on 05/04/2018 6:57:25 AM PDT by Delta 21 (Build The Wall !! Jail The Cankle !!)
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To: C19fan

imagine the need for specific raw materials needed for such a monstrosity, entire planets would have to be raped of all their mass, and for what? a civilization advanced enough to build such a thing would also be advanced enough to find a more cost effective method of accomplishing the same goal.

constructs such as dyson spheres are the equivalent of navel gazing, and what-if-hitler-had-won pseudo ingtellectualism


38 posted on 05/04/2018 6:57:28 AM PDT by camle (keep and open mind and someone will fill it full of something for you)
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To: Cletus.D.Yokel

“KUM-BYE-YA Brother! They done and evolved without the knowledge or instinct to kill other species to survive. We may have something up on this batch!”


39 posted on 05/04/2018 7:01:49 AM PDT by Delta 21 (Build The Wall !! Jail The Cankle !!)
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To: Migraine

Shouldn’t the ‘holy grail’ in astronomy be finding what is there, regardless of what it is?


Obviously, you do not comprehend the complexities of modern science wherein scientists look for what they believe they should find and finding receive large financial rewards and prestige, or not finding and receive large financial rewards and prestige.

Amateurs are well advised to stay away from speculating about scientific motives, since there are no large financial rewards and no prestige to be gained. Such a path can only end in major disappointment and sour expressions.


40 posted on 05/04/2018 7:04:23 AM PDT by PIF (They came for me and mine ... now it is your turn ...)
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