THE the radio signal is about 9 billion light years away Captured from Earth in a new recording discovered by India’s Giant Metwave Radio Telescope.
McGill University said in a statement that this is the first time such a radio signal has been detected at such a great distance. Space.com reported that the signal could mean scientists can begin studying some of the earliest stars and galaxies.
This is not the first time scientists mysterious signal from space.
Last July, astronomers at MIT and other universities in the US and Canada detected a persistent signal from a distant galaxy of unknown astrophysical origin, and in 2020, the mysterious signal from Proxima Centauri made waves.
RADIO SIGNAL RECEIVED FROM EARTH 9 BILLION LIGHT YEARS AWAY
But do these signals mean we’re not alone? At the moment there is no answer – though a deliberate signal was sent into space.
Researchers said in 2021, according to Nature Proxima Centauri signal “man-made radio interference” was suspected, and the source of the “fast radio burst” signal was thought to be either a radio pulsar or a magnetar, a type of neutron star.
“There aren’t many things in the universe that emit strong periodic signals,” said Daniele Micilli, a postdoc at MIT’s Kavli Institute for Astrophysics and Space Studies. “These are the examples we know in our own galaxy radio pulsars and magnetarsrotating and producing a beamed emission like a beacon. And we think this new signal could be a magnetar or a pulsar on steroids.”
In this latest case, the properties of the signal suggest that it comes from neutral hydrogen gas in the star-forming galaxy SDSSJ0826+5630.
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McGill said the signal spread across the galaxy when the universe was only 4.9 billion years old.
“This is equivalent to looking back 8.8 billion years,” McGill University postdoctoral researcher Arnab Chakraborty said in a statement.
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