The X-ray emission detected from Eta Carinae shows highly energetic cosmic rays ejecting from the massive stars
NASA’s Fermi Gamma-ray Space Telescope has been observing the most energetic events and objects in the universe for the past ten years
Before now, the ripples in space-time had only been detected from black-hole mergers
This pulsar is devouring matter from its companion star to power its rapid rotation
That’s one question that astronomers are asking after our current understanding of these bright explosions is challenged by new observations.