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Out of curiosity, would we know if a random planet or star system was made of antimatter rather than matter? Is there a spectral difference? Would gamma radiati
by golemotron 7y ago
Out of curiosity, would we know if a random planet or star system was made of antimatter rather than matter? Is there a spectral difference? Would gamma radiation from interaction with any local matter be the only indicator?
- michaelmrose 7y agoWe are constantly interacting with rocks of various sizes and thd small amounts of hydrogen in even nearly empty space. Presumably an antimatter planet would be also only much more violently and would by now be gone.
- saagarjha 7y agoOr be constantly flashing if it wasn’t.
- golemotron 7y agoIs there enough in the ISM (interstellar medium) to have made antimatter star systems impossible over the long term?
- simcop2387 7y agoI don't enough to destroy anything that existed and was massive. But it would be giving off the gamma rays from collisions and we haven't been detecting them.