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Friday, July 15 2022 Dive In |
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![]() It was unusual. Not only was it very long, lasting about three seconds, but there were periodic peaks that were remarkably precise, emitting every fraction of a second—boom, boom, boom—like a heartbeat. This is the first time the signal itself is periodic. ![]() |
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That’s how astronomer Daniele Michilli describes the mysterious radio signal detected in outer space—coming from a galaxy roughly one billion light years away. Apart from its similarity to a heartbeat, this is also the longest-lasting ‘fast radio burst’ of its kind—which makes it even more special. No, it likely wasn’t emitted by aliens, but an incredibly powerful star. Still, it’s an example of the many mysteries that make our universe wonderful:)
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