Home » News & Blogs » Did the Wow! signal come from this star?
Bookmark and Share
EarthSky Blog

Did the Wow! signal come from this star?

2 Dec 2020, 12:49 UTC
Did the Wow! signal come from this star?
(200 words excerpt, click title or image to see full post)

The famous Wow! signal, detected by the Big Ear Radio Observatory in Ohio on August 15, 1977. It was a leading candidate for an extraterrestrial radio signal, but was never heard again. Image via Big Ear Radio Observatory/ North American Astrophysical Observatory.
In August 1977, astronomers detected an unusual radio signal coming from deep space that’s been the subject of intrigue and debate ever since. Known as the Wow! signal, it was heard only once and never again. It still hasn’t been adequately explained. Enter amateur astronomer Alberto Caballero. He’s a founder of The Exoplanets Channel on YouTube and coordinator of the Habitable Exoplanet Hunting Project, which, earlier this year, announced GJ 3470 c, the first exoplanet candidate fully discovered by amateur astronomers. On November 8, 2020, the non-peer-reviewed, open-access repository of electronic preprints arXiv published a scientific paper by Caballero. In it, he said he has narrowed down the source of the Wow! signal. He might even have identified the specific star of origin. It’s a sunlike star – labeled 2MASS 19281982-2640123 – 1,800 light-years away, in the direction to the center of our Milky Way galaxy.
On November 19, The Physics arXiv Blog at DiscoverMagazine.com also announced Caballero’s ...

Latest Vodcast

Latest Podcast

Advertise PTTU

NASA Picture of the Day

Astronomy Picture of the Day