DEEP SPACE — Astronomers recorded strongest ever fast radio burst from outer space using the Parkes Observatory radio telescope in Australia earlier this month.<br /><br />According to Inquisitr, signal FRB 180309 was heard by the telescope on March 9. It's signal-to-noise ratio was 4 times larger than the previous strongest signal. <br /><br />Astronomers don't know what it is, but some speculate it could be anything from stars colliding to interstellar travel, according to a report by the Search for Extraterrestrial at University of California, Berkeley.<br /><br />Details of the signal were published on the website Astronomer's Telegram.