Record-Breaking Gamma-Ray Burst Near Light Speed

What this episode covers

Discover the fastest cosmic explosion ever recorded! We explore GRB 230307A, a gamma-ray burst detected by NASA's Fermi Space Telescope that reached 99.99998% of light speed—a breakthrough led by University of Alabama graduate researchers.Learn how this ultrarelativistic jet from a neutron star merger revealed an associated kilonova, offering new insights into how heavy elements like tellurium form in our universe.This episode highlights cutting-edge space science and the crucial role of student researchers in unlocking cosmic mysteries. Key topics: gamma-ray bursts, neutron star mergers, kilonova, heavy element formation, relativistic physicsThank you for listening to Bedtime Astronomy — your guide to the cosmos. New episodes on space exploration, NASA missions & the latest astronomy breakthroughs.

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How long is this episode of Bedtime Astronomy?

This episode is 22 minutes long.

When was this Bedtime Astronomy episode published?

This episode was published on December 15, 2025.

What is this episode about?

Discover the fastest cosmic explosion ever recorded! We explore GRB 230307A, a gamma-ray burst detected by NASA's Fermi Space Telescope that reached 99.99998% of light speed—a breakthrough led by University of Alabama graduate researchers.Learn how...

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