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'Alien Megastructure' Ruled Out for Some of Star's Weird Dimming
Space.com ^ | October 4, 2017 05:56pm ET | Mike Wall,

Posted on 10/04/2017 9:55:43 PM PDT by BenLurkin

The bizarre long-term dimming of Tabby's star — also known as Boyajian's star, or, more formally, KIC 8462852 — is likely caused by dust, not a giant network of solar panels or any other "megastructure" built by advanced aliens, a new study suggests.

Astronomers came to this conclusion after noticing that this dimming was more pronounced in ultraviolet (UV) than infrared light. Any object bigger than a dust grain would cause uniform dimming across all wavelengths, study team members said. [13 Ways to Hunt Intelligent Aliens]

"This pretty much rules out the alien megastructure theory, as that could not explain the wavelength-dependent dimming," lead author Huan Meng of the University of Arizona said in a statement. "We suspect, instead, there is a cloud of dust orbiting the star with a roughly 700-day orbital period."

KIC 8462852, which lies about 1,500 light-years from Earth, has generated a great deal of intrigue and speculation since 2015. That year, a team led by astronomer Tabetha Boyajian (hence the star's nicknames) reported that KIC 8462852 had dimmed dramatically several times over the past half-decade or so, once by 22 percent.

No orbiting planet could cause such big dips, so researchers began coming up with possible alternative explanations. These included swarms of comets or comet fragments, interstellar dust and the famous (but unlikely) alien-megastructure hypothesis.

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


TOPICS: Astronomy
KEYWORDS: dysonsphere; haltonarp; kic8462852; tabbysstar

1 posted on 10/04/2017 9:55:43 PM PDT by BenLurkin
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To: BenLurkin

2 posted on 10/04/2017 9:58:43 PM PDT by Toddsterpatriot (TANSTAAFL)
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To: KevinDavis; annie laurie; Knitting A Conundrum; Viking2002; Ernest_at_the_Beach; Mmogamer; ...
Thanks BenLurkin.
 
X-Planets
· join · view topics · view or post blog · bookmark · post new topic · subscribe ·
Google news searches: exoplanet · exosolar · extrasolar ·

3 posted on 10/04/2017 10:05:51 PM PDT by SunkenCiv (www.tapatalk.com/groups/godsgravesglyphs/, forum.darwincentral.org, www.gopbriefingroom.com)
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To: BenLurkin

I’m pretty sure it IS aliens.


4 posted on 10/04/2017 10:12:22 PM PDT by smokingfrog ( sleep with one eye open (<o> ---)
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To: smokingfrog

5 posted on 10/04/2017 10:18:39 PM PDT by BenLurkin (The above is not a statement of fact. It is either satire or opinion. Or both.)
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To: BenLurkin

Bad conclusion. UV has more energy and therefore would be better to harness. A megastructure would emit heat. This is actually an indication it is a megastructure. /short version, too tired to get into the physics


6 posted on 10/04/2017 10:20:16 PM PDT by piytar (http://www.truthrevolt.org/videos/bill-whittle-number-one-bullet)
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To: BenLurkin

Damn, I was counting on a concession stand there.


7 posted on 10/04/2017 10:20:57 PM PDT by heights
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To: Toddsterpatriot

Exactly. It was a shadow square malfunction.


8 posted on 10/04/2017 10:24:20 PM PDT by TChad
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To: BenLurkin

What were we talking about, again?

9 posted on 10/04/2017 10:27:57 PM PDT by smokingfrog ( sleep with one eye open (<o> ---)
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To: piytar

Although in some cases interstellar dust can cause “reddening” of light from a star, so maybe I’m wrong.


10 posted on 10/04/2017 10:28:17 PM PDT by piytar (http://www.truthrevolt.org/videos/bill-whittle-number-one-bullet)
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To: SunkenCiv; smokingfrog; BenLurkin; Salamander; 50mm; JoeProBono

During my last abduction/encounter, the Pleiadian leader
Hapschat Rama-Ono Hooper-Bukowski imparted to me
"Special Knowledge"

This included the fact that the star, KIC 8462852,
is in fact surrounded by a Dyson Sphere.

The reason we cannot detect this Dyson Sphere is because
it is equipped with a phase shifting, oscillating
cloaking device which the Reptilian inhabitants of KIC 8462852
stole from the Romulans, back in 1969.


11 posted on 10/04/2017 10:28:53 PM PDT by shibumi (Cover it with gas and set it on fire.)
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To: Toddsterpatriot

Maybe it’s a megastructure of nanoplanets.


12 posted on 10/04/2017 10:30:11 PM PDT by who_would_fardels_bear
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Why don’t they send a damn telescope to the Star so we can keep monitoring it while it gets closer to it?


13 posted on 10/04/2017 11:07:55 PM PDT by KavMan
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To: BenLurkin

Ummm, wouldn’t these actually be an indication that it “is” an alien megastructure?

capturing the UV light but letting the infrared through?


14 posted on 10/04/2017 11:58:59 PM PDT by FreedomStar3028 (Somebody has to step forward and do what is right because it is right, otherwise no one will follow.)
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To: shibumi

15 posted on 10/05/2017 4:04:38 AM PDT by JoeProBono (SOME IMAGES MAY BE DISTURBING VIEWER DISCRETION IS ADVISED;-{)
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To: BenLurkin
This pretty much rules out the alien megastructure theory

Huh? The fact that it's a frickin' STAR doesn't rule that out immediately?

16 posted on 10/05/2017 9:06:21 AM PDT by Moltke (Reasoning with a liberal is like watering a rock in the hope to grow a building)
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To: BenLurkin

Read up about this star:

Epsilon Aurigae

https://en.wikipedia.org/wiki/Epsilon_Aurigae

Not all that different an event, just longer cycle.


17 posted on 10/05/2017 12:06:19 PM PDT by Conan the Librarian (The Best in Life is to crush my enemies, see them driven before me, and the Dewey Decimal System)
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To: BenLurkin

It’s a food spacecraft...


18 posted on 10/05/2017 3:59:46 PM PDT by ConservaTeen (Islam is Not the Religion of Peace, but The religion of Pedophilia...)
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