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The 70-Year-Old Mystery of Two Galactic Mushroom Clouds Giant bubbles hovering over the Milky Way seem to be remnants of an ancient explosion. Jeremy Sanders, Hermann Brunner and the eSASS team (MPE); Eugene Churazov, Marat Gilfanov (on behalf of IKI) When Peter Predehl, an astrophysicist at the Max Planck Institute for Extraterrestrial Physics in Germany, first laid eyes on the new map of the universe’s hottest objects, he immediately recognized the aftermath of a galactic catastrophe. A bright-yellow cloud billowed tens of thousands of light-years upward from the Milky Way’s flat disk, ...

  “Planet Earth Report” provides descriptive links to headline news by leading science journalists about the extraordinary discoveries, technology, people, and events changing our knowledge of Planet Earth and the future of the human species. “Sent By an Alien World” –Extraterrestrial Object Visited Our Solar System in 2017. Harvard astronomy professor Avi Loeb’s highly anticipated new book, “Extraterrestrial”,: The First Sign of Intelligent Life Beyond Earth,” is being published Jan. 26, detailing his controversial theory that an artificial object may had been sent to Eart...

Astronomers using the eROSITA X-ray telescope onboard the Spektrum-Roentgen-Gamma (SRG) observatory have detected X-ray-emitting bubbles that extend approximately 14,000 parsecs (45,662 light-years) above and below the central region of our Milky Way Galaxy. This image from the eROSITA X-ray telescope shows the energetic Universe. Image credit: Jeremy Sanders, Hermann Brunner & the eSASS team / Max Planck Institute for Extraterrestrial Physics / Eugene Churazov & Marat Gilfanov, IKI. Launched in July 2019, eROSITA is a large-collecting-area and wide-field-of-view X-ray telescope. Over the cou...

© J. Sanders, H. Brunner, eSASS-Team Survey of the sky in the X-ray spectrumA new survey of the sky in the X-ray spectrum has captured hitherto unseen, but incredibly large, structures hiding in plain sight in the Milky Way and beyond. The structures in question are giant bubbles composed of X-rays, emanating from the galactic center and extending beyond, both above and below, the galactic plane. They are so big that they dwarf the Fermi bubbles of gamma radiation humanity has already observed. The findings were made by a team of astrophysicists led by Peter Predehl of the Max Planck Institu...