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ANTIMATTER FACTORIES. “For small black holes, astrophysical jets are observed to contain a thin haze of electrons and positrons streaming out as plasma at high speeds. Existing models of black-hole behaviour indicate that particle–antiparticle pairs are produced inside intense magnetic and electric fields that swirl near a black hole’s event horizon.” https://lnkd.in/dhrW--56 View in LinkedIn

BEYOND THE UNEXPECTED. “Simple estimates suggest that about half and possibly all the antimatter is coming from X-ray binaries. We expected something unexpected, but we did not expect this.” https://lnkd.in/dhrW--56 View in LinkedIn

ANTIMATTER X-RAY BINARIES. “Gamma radiation with signature 511 KeV from positron-electron annihilation has been observed throughout the centre of the Milky Way galaxy since the 1970’s. The source of the positron emission coincides with a region with many binary star systems containing neutron stars or black holes, known as ‘hard low-mass X-ray binaries’.” https://lnkd.in/dhrW--56 View in LinkedIn

THE PROBLEM. “The spectrum of light for matter and antimatter is identical and so an antimatter galaxy would be indistinguishable from a matter galaxy.” https://lnkd.in/dhrW--56 View in LinkedIn

ANTIMATTER METAGALAXIES. “The matter supercluster, Laniakea, separated by the Taurus Void could be an antimatter supercluster, Perseus-Pisces. As antihydrogen emits light identical to hydrogen particles, some distant galaxies and or metagalaxies could be composed of antimatter.” https://lnkd.in/dhrW--56 View in LinkedIn

Stairway half way up the outer wall of Girona, perplexing to say the least. It connects two doors. View in LinkedIn

DIMENSIONAL THINKING. “The fourth dimension is to three-dimensional space as the third dimension is to two-dimensional space. 4-D:3-D::3-D:2-D. This particular analogy is one of the oldest head tricks known to man. Plato was the first to present it, in his famous allegory of the cave.” https://lnkd.in/gWbKcUFi View in LinkedIn

LOW DENSITY. Cosmic voids “have less than one tenth of the average density of matter abundance typical for the observable universe.” https://lnkd.in/dhrW--56 View in LinkedIn

COLLISION HISTORY. “Galactic collisions have been common and Andromeda previously collided with at least one other galaxy. New research suggests that our galaxy was shaped by a merger with a dwarf galaxy dubbed ‘Gaia-Enceladus’ ten billion years ago and dwarf galaxies such as the ‘Sagittarius Dwarf Spheroidal’ galaxy are currently colliding and merging into the Milky Way galaxy.” https://lnkd.in/dhrW--56 View in LinkedIn

NEAR VOID. “In close proximity to earth, the ‘Taurus Void’ is 100 million light years in diameter.” https://lnkd.in/dhrW--56 View in LinkedIn