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Fumesucker

(45,851 posts)
Mon Jul 29, 2013, 10:35 AM Jul 2013

NASA Scientist to Scour Kepler Data in Search of Alien Technologies

I think this is a long shot but it's worth taking a look, every now and then long shots pay off.

http://io9.com/nasa-scientist-to-scour-kepler-data-in-search-of-alien-923393162


The Kepler space telescope may be dead in the water, er space, but the data it has collected over the years lives on. A new initiative is set to use this data in an effort to locate alien spaceships, Dyson spheres, and a galactic laser internet — and they've been given $200,000 to make it happen.

The Templeton Foundation recently granted the money to Geoff Marcy, a NASA researcher for the Kepler mission. Marcy, who was recently appointed the new Watson and Marilyn Alberts Chair for SETI at the University of California at Berkeley, is a superstar when it comes to detecting planets outside of our solar system. His work has resulted in the discovery of over 100 exoplanets, including the first system of planets orbiting a distant star.

And fascinatingly, he's going to use the same approach used to detect exoplanets to search for extraterrestrial artifacts like massive spaceships, Death Star-like objects, and Dyson spheres. By using the transit method, where the dimming of a star indicates the presence of an orbiting planet, Marcy hopes to detect artificial objects as well.

"I do know that if I saw a star that winked out, then at some point it winked back on again, then winked out for a long, long time and then blinked on again, that that would be so weird," he told the Sydney Morning Herald. "Obviously that wouldn't constitute the detection of an advanced civilization yet, but it would at least alert us that follow-up observations are warranted."

Indeed, Marcy is on the right track. A Dyson sphere — a hypothetical massive structure of solar panels that would completely surround a star at a distance of about 1 AU (the distance of the Earth to the Sun), would give off a tremendous amount of waste heat in the form of infrared radiation — a potentially detectable signature. The dimming of a Dyson-sphere-enveloped-star would be erratic or quasi-periodic, unlike the regular transit of planets. It's important to remember that a Dyson sphere would consist of a series of interconnected solar panels, and would not be a solid object.
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NASA Scientist to Scour Kepler Data in Search of Alien Technologies (Original Post) Fumesucker Jul 2013 OP
But can it detect a ring world? exboyfil Jul 2013 #1
Depends whether the ring occults the star from our POV n/t Fumesucker Jul 2013 #3
How far out will the search extend? MyshkinCommaPrince Jul 2013 #2

exboyfil

(17,863 posts)
1. But can it detect a ring world?
Mon Jul 29, 2013, 10:47 AM
Jul 2013

One of my favorite books as a kid was Ringworld by Larry Niven.

I think this is a great idea. I wonder if there is a way to approach it like the project to classify galaxies or other method of using idle PC processing power. I always thought this was our best shot at finding evidence of other technological races. I don't think they would be beaming signals out (why should they) but huge advanced engineering feats should be observable.

Sadly I think finding such evidence is unlikely but it is worth the look.

MyshkinCommaPrince

(611 posts)
2. How far out will the search extend?
Mon Jul 29, 2013, 11:06 AM
Jul 2013

This is where the distance-equals-time thing becomes really fascinating to me. Spot some anomaly 100,000 light years out, say. Is it then reported as "There's this odd thing 100,000 light years away", or more as "There was this odd thing 100,000 years ago, but we can't be sure what's there now"?

And... "The Ringworld is unstable!"

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