Tabby’s Star flicker is caused by space dust

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Scientists say they now have an explanation for why Tabby’s Star flickers — space dust.

Thanks to a Kickstarter-crowdfunded astronomy project, a team of 200 scientists now believe a cloud of dust particles is causing the star to appear to flicker, the Washington Post reported.

KIC 8462852 — the official star name — is best known for its sudden drops in brightness, according to Science News.


Researchers reported that Tabby Star grew dimmer in blue wavelengths than in red ones, Science News reported.

The dimming is most likely being caused by dust particles less than a micrometer in size.


The researchers will next try to determine where the dust originates from.

RUNDOWN SHOWS:
1. Tabby’s Star and space dust
2. Las Cumbres reflecting telescopes
3. Tabby Star growing dimmer in blue wavelengths than in red ones
4. The dust particles are less than a micrometer in size

VOICEOVER (in English):
“Scientists say they now have an explanation for why Tabby’s Star flickers — space dust. The star is best known for its sudden drops in brightness.”

“A team of 200 scientists now believe a cloud of dust particles is causing the star to appear to flicker.”

“Researchers reported that Tabby’s Star grew dimmer in blue wavelengths than in red ones between March 2016 and May 2017.”

“They believe this is likely being caused by dust particles less than a micrometer in size.”

SOURCES: Science News, Washington Post
https://www.sciencenews.org/article/aliens-ruled-out-why-tabbys-star-flickers
https://www.washingtonpost.com/news/speaking-of-science/wp/2018/01/03/the-strangest-star-in-the-sky-finally-has-an-explanation-for-its-flicker/?utm_term=.26b92a8f6258