Mayan ancient text from the sacred books
of Chilam Balam and Popol Vuh tell us a celestial event, often described
as the center of our galaxy (Milky Way), will produce a pulse or surge
at the end of the 4th World and beginning of the 5th World.
"What we see are two gamma-ray-emitting
bubbles that extend 25,000 light-years north and south of the galactic
center," said Doug Finkbeiner, an astronomer at the Harvard-Smithsonian
Center for Astrophysics in Cambridge, Mass., who first recognized the
feature. "We don’t fully understand their nature or origin."
NASA’s Fermi Gamma-ray Space Telescope has
unveiled a previously unseen structure centered in the Milky Way. The
feature spans 50,000 light-years and may be the remnant of an eruption
from a supersized black hole at the center of our galaxy.
Other astronomers studying gamma rays
hadn’t detected the bubbles partly because of a fog of gamma rays that
appears throughout the sky. The fog happens when particles moving near
the speed of light interact with light and interstellar gas in the Milky
Way. The LAT team constantly refines models to uncover new gamma-ray
sources obscured by this so-called diffuse emission. By using various
estimates of the fog, Finkbeiner and his colleagues were able to isolate
it from the LAT data and unveil the giant bubbles.
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