Galaxy drags trail of stars behind it

Collisions with hot gas trigger streaks of stellar births

Galaxy ESO 137-011

STAR RIVERS  The galaxy ESO 137-001, 200 million light-years away, leaves  trails (shown in blue in this false-color Hubble Space Telescope image) of gas and newly born stars as it plows through the Norma Cluster. Bright stars in the foreground sit within our galaxy.

Ming Sun/UAH, Serge Meunier, NASA, ESA

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 Astronomy

From the Nature Index

Paid Content