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Originally Posted by Moontanman
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Excellent link!
Quote:
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Originally Posted by NASA
Other instruments such as the Italian PAMELA satellite have looked for anti-helium nuclei, but none have been sensitive enough to rule out the existence of antimatter galaxies. AMS has about 200 times the particle-collecting power of anything that has flown before. If AMS detects no anti-helium nuclei, Ting says scientists will know that there are no antimatter galaxies within about 1000 megaparsecs — or roughly to the edge of the observable universe.
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To either rule out or find evidence of large cosmic antimatter bodies will be a great achievement. The ISS takes a lot of criticism from people who wish the money were spent on different endeavors, but they really are doing some invaluable and fascinating science there.
~modest
