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UNSOLVED RIDDLE. “Matter-antimatter asymmetry is one of the greatest mysteries of current cosmology: we have no evidence so far from ground experiments for a mechanism which could explain baryogenesis.” https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf View in LinkedIn

JUPITER CYCLONES. “Jupiter's gargantuan polar cyclones, which are up to 620 miles (1,000 kilometers) across, were first spotted in 2016 by NASA's probe Juno.” Lovely video of these cyclones. https://lnkd.in/ePtqcZbB View in LinkedIn

THE BIG PICTURE. “Our cosmos is 13.8 billion years old. Our planet was formed 4.5 billion years ago and life began 3.7 billion years ago. Our species, Homo Sapiens, is just over 300,000 years old. Copernicus, Kepler, Galileo and Newton appeared among us only in the last 500 years.” Never forget this. By the unique James Lovelock. https://lnkd.in/ez-yqczg View in LinkedIn

HIGH ENERGY RAYS. “Galactic sources of CRs, such as supernova remnants, should be able to accelerate CR particles via diffusive shock acceleration mechanisms up to the PeV energy scale (~10(15) eV).” (CR = cosmic ray). https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf View in LinkedIn

WEAK LINK. “While calculations are reaching an increasing level of complexity and reliability, the existing models of astrophysical backgrounds crucially depend on our knowledge of CR acceleration and propagation processes through the Galaxy, which are still poorly understood.” (CR = cosmic ray). https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf View in LinkedIn

SECOND ELEPHANT. “The nature of the Dark Matter (DM) is another unsolved problem in contemporary astrophysics.” https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf View in LinkedIn

GAME CHANGER. “Unambiguous evidence for anti-4He or heavier antinuclei in CR would have profound consequences on particle physics and cosmology.” (CR = cosmic ray). https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf View in LinkedIn

THEORETICALLY POSSIBLE. “At extra-galactic scales, large concentrations of nuclear antimatter could still exist, but no evidence has been found yet.” https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf View in LinkedIn

THE PUZZLER. “The resulting matter-antimatter asymmetry is one of the greatest puzzles in contemporary cosmology and astrophysics.” https://link.springer.com/content/pdf/10.1007/s10686-021-09708-w.pdf View in LinkedIn

“BUBBLE NEBULA. Also known as NGC 7635, the Bubble Nebula was created by a petulant star, around 45 times the mass of our Sun, throwing out its gas, or stellar wind. The gas is travelling at around 6.5 million kilometres per hour, and as the resulting cloud expands out, it slams into the surrounding interstellar medium – this is the gas which fills the space between the stars – creating a shock wave.” https://lnkd.in/gu7xi9dj View in LinkedIn