'Is it aliens?': how a mysterious star could help the search for extraterrestrial life
https://www.theguardian.com/science/2024/apr/27/is-it-aliens-how-a-mysterious-star-could-help-the-search-for-extraterrestrial-life
Is it aliens?: how a mysterious star could help the search for extraterrestrial life
Scientists hope studies into Boyajians star could lead to enhanced techniques for identifying distant planetary civilisations
Robin McKie Science Editor
Sat 27 Apr 2024 07.00 EDT
It is our galaxys strangest star, a flickering globe of light whose sporadic and unpredictable output has baffled astronomers for years. But now the study of Boyajians star is being promoted as a research model that could help in one of the most intriguing of all scientific quests: finding intelligent life on other worlds.
This is the argument that Oxford University astrophysicist Prof Chris Lintott will make at a public lecture Is it Aliens? The Most Unusual Star in the Galaxy at a Gresham College lecture in Conway Hall, central London on Monday. His prime target will be Boyajians star, sometimes nicknamed Tabbys star after scientist Tabetha Boyajian, in the constellation Cygnus whose odd dimming and brightening has been the subject of intense study by space probes and observatories in recent years.
Its behaviour is extraordinary, Lintott told the Observer. It has rapid, random bursts where its brightness drops dramatically and then returns. There is no pattern to it. It flickers as if somebody was playing with its dimmer switch. There is no other star like this in our galaxy.
Boyajians star was studied in detail by the Kepler space observatory in 2012 when its erratic behaviour was first uncovered. These observations indicated that a huge mass of matter circles the star in tight formation and sporadically blocks its light.
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