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upermassive black holes, located at the center of active galaxies, are fed by blazars, which cause them to eject massive jets of matter and radiation. As opposed to quasars, which are blazars' cosmic twins, these events are aimed directly at Earth.
Furthermore, new study suggests that they might be showering our planet with neutrinos, also referred to as "ghost particles."
This eerie name originates from the fact that neutrinos are infamously hard to detect. They have almost no mass and are chargeless. Every second, about 65 billion neutrinos pass through every square inch of your body without causing any harm.
High-energy particles called cosmic rays, which can travel over several light-years and even beyond the boundaries of the galaxies in which blazar flare events occur, make up the jets released during these events. Electromagnetic radiation, ranging from extremely high-energy gamma rays to low-energy radio waves, is also present in these jets.
Crucially, it is thought that cosmic rays produce showers of neutrinos when they interact with photons, which are light particles. So for a long time, the main suspect in the search for neutrino particles found in our sky has been gamma-ray flares from AGNs.
www.space.com
Furthermore, new study suggests that they might be showering our planet with neutrinos, also referred to as "ghost particles."
This eerie name originates from the fact that neutrinos are infamously hard to detect. They have almost no mass and are chargeless. Every second, about 65 billion neutrinos pass through every square inch of your body without causing any harm.
High-energy particles called cosmic rays, which can travel over several light-years and even beyond the boundaries of the galaxies in which blazar flare events occur, make up the jets released during these events. Electromagnetic radiation, ranging from extremely high-energy gamma rays to low-energy radio waves, is also present in these jets.
Crucially, it is thought that cosmic rays produce showers of neutrinos when they interact with photons, which are light particles. So for a long time, the main suspect in the search for neutrino particles found in our sky has been gamma-ray flares from AGNs.
These supermassive black hole jets may pelt Earth with 'ghost particles'
Actively feeding supermassive black holes could be pelting our planet with strange particles known as neutrinos.