This fast radio burst shined a light on a galaxy’s mysterious gas halo

A lucky alignment let astronomers use a bright blast from one galaxy to probe gas in another

fast radio burst

A fast radio burst from a small, distant galaxy (upper left) passed through the halo of a more massive galaxy (center) before reaching telescopes on Earth (blue dot), as seen in this illustration. The yellow line traces the FRB’s path (arrow denotes direction) and the kink illustrates the energy pulse at one point of its journey.

J. Josephides/Centre for Astrophysics and Supercomputing/Swinburne University of Technology

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Space

From the Nature Index

Paid Content