High pressure

(Left) A radio image of neutral hydrogen in and around NGC 4532 / DDO 137 using ASKAP. (Right) Optical image of the galaxy from the Legacy surveys. Credit: ICRAR and D. Lang (Perimeter Institute).

A 1.6 million light-year-long gas bridge has been revealed between two dwarf galaxies.

Astronomers have discovered a unique cosmic structure in the Virgo Cluster – a 156 light-year-long neutral hydrogen bridge connecting two dwarf galaxies, extending into a vast gas tail with a record length of 1.6 million light-years.