Stay Curious

SIGN UP FOR OUR WEEKLY NEWSLETTER AND UNLOCK ONE MORE ARTICLE FOR FREE.

Sign Up

VIEW OUR Privacy Policy


Discover Magazine Logo

WANT MORE? KEEP READING FOR AS LOW AS $1.99!

Subscribe

ALREADY A SUBSCRIBER?

FIND MY SUBSCRIPTION
Advertisement

Exploding Stars Send Out Powerful Bursts Of Energy

This project can help us learn about the history of the Universe.

Gamma-ray bursts, as shown in this illustration, come from powerful astronomical events. NASA, ESA and M. Kornmesser

Newsletter

Sign up for our email newsletter for the latest science news

Sign Up

When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come from mergers of some exotic astronomical objects such as black holes and neutron stars, can help astronomers like me understand the history of the universe.

Space telescopes detect on average one gamma-ray burst per day, adding to thousands of bursts detected throughout the years, and a community of volunteers are making research into these bursts possible.

On Nov. 20, 2004, NASA launched the Neil Gehrels Swift Observatory, also known as Swift. Swift is a multiwavelength space telescope that scientists are using to find out more about these mysterious gamma-ray flashes from the universe.

Gamma-ray bursts usually last for only a very short time, from a few seconds to a few minutes, and the majority of their emission is ...

Stay Curious

JoinOur List

Sign up for our weekly science updates

View our Privacy Policy

SubscribeTo The Magazine

Save up to 40% off the cover price when you subscribe to Discover magazine.

Subscribe
Advertisement

0 Free Articles