Two of the currently identified interstellar meteorites appear to be significantly stronger than local meteorites, which could mean they formed in a supernova
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January 2, 2023
Meteorites from outside our solar system may have formed in supernovae Shutterstock/Marko Aliaksandr
Interstellar meteorites may be even stranger than we thought. They appear to be stronger than meteorites produced in our solar system, suggesting they may have formed during a supernova or other extreme cosmic event.
These interspersed rocks are moving fast — any meteorite traveling at a speed higher than the Sun’s is likely to have come from outside our solar system, and its origin can be confirmed by calculating the direction it came from.
