The MeerKAT telescope is superimposed on a radio image of the Milky Way’s center. Radio bubbles extend from between the two nearest antennas to the upper right corner, with filaments running parallel to the bubbles. (Credit: SARAO/MeerKAT)

The Milky Way is blowing bubbles. Two giant radio bubbles,
extending out from the galaxy for over 1,400 light years, were just discovered
in X-ray data. Astronomers think the bubbles started forming a few million
years ago due to some type of cataclysmic