The Milky Way’s giant gas bubbles were seen in visible light for the first time
Mysterious cosmic bubbles are being seen in a new light. For the first time, scientists have observed visible light from the Fermi bubbles, enormous blobs of gas that sandwich the plane of the Milky Way galaxy. The newly spotted glow was emitted by hydrogen gas that was electrically charged, or ionized, within the bubbles. Astronomer […] More