Question

Does the negative mass of antimatter mean that it's gravitationally repelled from stars?​

Answer 1

Antimatter does not have negative mass. In our universe, there is no such thing as negative mass. Mass only comes in positive form.

Answer 2

Answer:

Does the negative mass of antimatter mean that it's gravitationally repelled from stars? Antimatter does not have negative mass. ... The nonexistence of negative mass has profound consequences. First, gravity is always attractive and never repulsive.

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