# Magnetar Starquake: The Universe's Most Violent Tantrum

# This is your Astronomy Tonight podcast.

Today, December 27th, marks a date of cosmic significance that reminds us just how violent and dramatic the universe can be!

On December 27th, 2004, the most powerful explosion ever recorded in our galaxy erupted from a neutron star located about 50,000 light-years away. We're talking about the famous **starquake on SGR 1806-20** – a magnetar that essentially had the most spectacular cosmic tantrum imaginable.

Picture this: you have a neutron star so dense that a teaspoon of its material would weigh as much as all the elephants on Earth combined. Now imagine the crust of that star, which is made of iron stronger than any material we could ever create in a laboratory, suddenly fracturing under the immense magnetic stresses. That's exactly what happened, and the resulting gamma-ray burst was so powerful that if it had occurred just 10 light-years away instead of 50,000, it would have stripped away Earth's ozone layer in an instant!

For a brief moment on that December morning, this single stellar explosion released as much energy as our Sun will produce in 150,000 years. Telescopes around the world lit up like a cosmic fireworks show – satellites detected the burst, and astronomers scrambled to point their instruments at this incredible phenomenon.

It's a humbling reminder that the universe doesn't just sparkle prettily – sometimes it roars!

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