/u/avaslash's posts in /r/askscience
If Antimatter and Matter look alike and act the same way how can physicist know that the majority of the universe is matter?
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Say we take a cosmic knife and cut through the shell of a neutron star. What would the heavy liquid (neutrons) look like? What would happen?
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If we decided to change the earths orbit, say move earth a little closer or a little further from the sun, how powerful would our rocket engines need to be?
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Its easy to create labels such as Electron, Neutron, or Proton, but what exactly IS negative, neutral, and positive energy?
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