As a result, scientists believe that the source (whatever it is - PRESUMABLY ALIENS, THOUGH) is likely to be extremely powerful.
If you haven't heard of fast radio bursts (FRBs), they're some of the most explosive and mysterious events in the Universe. The signal lasted for only fractions of a second, but he was recognized by radio waves with the lowest frequency ever recorded by scientists.
Over the past few years, there has been an FRB called 121102 that was heard multiple times and astronomers know it's the same one because it originates from the exact point in space every time.
The post reads: "During its ongoing commissioning, CHIME/FRM detected FRB 180725A on 2018 July 25 at 17:59:43.115 UTC (18:59:43.15 BST/13:59:43.15 ET)".
The most interesting part is that the intense signal was transmitted in radio frequencies as low as 580 megahertz - making it the first detection of a FRB under 700 MHz.
"Additional FRBs have been found since FRB 180725A and some have flux at frequencies as low as 400 MHz".
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CHIME is located in British Columbia and its FRB from last month was reported in a post by the Astronomer's Telegram. CHIME was created to detect ancient radio waves sent out when the universe was just a toddler, some 6 billion to 11 billion years ago. Plus, most scientists are still at odds over where FRBs come from, with some recent reports suggesting they might be coming from a distant Galaxy. "These events have occurred during both the day and night and their arrival times are not correlated with known on-site activities or other known sources of terrestrial RFI [radio-frequency interference]".
No one knows what this mysterious signal is, where it came from, or why it suddenly crossed Earth's radar.
Whatever it is - black holes colliding, a star exploding, or just some aliens having a really loud party - we'll probably have to wait a long, long time before science can say for certain.
Christopher Conselice, a professor of astrophysics at the University of Nottingham, told MailOnline this discovery could help to pave the way for a greater understanding of what causes FRBs.
He added that an "artificial origin" of the signals (i.e., extraterrestrial intelligence) is worth considering. "It could even be some other physical mechanism that we don't yet understand".