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sl8

(16,252 posts)
Fri Oct 20, 2023, 07:01 AM Oct 2023

A blast of radio waves hit Earth after travelling for 8 billion years

https://www.newscientist.com/article/2398539-a-blast-of-radio-waves-hit-earth-after-travelling-for-8-billion-years/

A blast of radio waves hit Earth after travelling for 8 billion years

A huge burst of energy that has been travelling for more than half the age of the universe is powerful enough to microwave a bowl of popcorn twice the size of the sun

By Chen Ly
19 October 2023

Astronomers have spotted the oldest fast radio burst (FRB) ever seen, dating back 8 billion years. Hundreds of these strange blasts of radio waves from space have now been detected on Earth since their discovery in 2007, but this one is also the most energetic ever seen.

“The burst has the energy that the sun produces in 30 years,” says Ryan Shannon at the Swinburne University of Technology in Australia. “That is enough power to microwave a bowl of popcorn about two times the size of the sun.”

Shannon and his colleagues spotted the blast of radiation, named FRB 20220610A, using the Australian Square Kilometre Array Pathfinder radio telescope and found that the FRB was three-and-a-half times as energetic as other detected FRBs.

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A blast of radio waves hit Earth after travelling for 8 billion years (Original Post) sl8 Oct 2023 OP
Isn't digital audio grand...always improving past ancient Backseat Driver Oct 2023 #1
Incredible SteveX Oct 2023 #2
"We'd Like To Speak To You Deep State Witch Oct 2023 #3

Backseat Driver

(4,636 posts)
1. Isn't digital audio grand...always improving past ancient
Fri Oct 20, 2023, 07:41 AM
Oct 2023

vacume tubes and transistors...LOL. That's one heck of a boom box, no? Starship got it if you'll just change "city" to "planet", hehehe.





 

SteveX

(58 posts)
2. Incredible
Fri Oct 20, 2023, 08:53 AM
Oct 2023

That such things could exist for so long without dissipating into nothingness.
We still having a clue about where we live.

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