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Cool Worlds
@coolworldslab·1.1M subscribers·267 videos

What is an Alien Megastructure?

Posted

August 13, 2016

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Alien megastructures are back in the headlines after some new research published last week. It has been claimed that Tabby's Star is confirmed to be steadily dimming, which is completely unexpected behavior for a star. Prof Kipping explains what we know (and don't know) about this mysterious star and what astronomers really mean by "alien megastructures".

::More about this Video::

► Montet & Simon (2016), "KIC 8462852 Faded Throughout the Kepler Mission"

► Schaefer (2016), "KIC 8462852 Faded at an Average Rate of 0.165+0.013 Magnitudes Per Century From 1890 To 1989"

► Boyajian et al. (2016), "Planet Hunters X. KIC 8462852 Where's the Flux?"

► Arnold (2005), "Transit Lightcurve Signatures of Artificial Objects"

► Kipping & Teachey (2016), "A Cloaking Device for Transiting Planets"

► Outro music by Taylor Davis

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Guests & Subjects Covered

Tabby's StarProf KippingFaded ThroughoutKepler MissionAverage RateMagnitudes Per Century FromPlanet Hunters X KICTransit Lightcurve Signatures

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