APOD 2.3

http://apod.nasa.gov/apod/ap101110.html

The Fermi gamma ray space telescope (GLAST- I <3 acronyms) has collected data recentley that indicates the previously unknown fact that our very own Milky Way Galaxy has large gamma-ray emitting bubbles in or near the galactic center (probably about 50 degrees above and below, says one astrophysics site). There are two bubbles that emit both x-rays and gamma rays. The cause of the bubbles in currently a mystery! Guesses include AGN activity or Bipolar galactic wind.