Strangely strong interstellar meteorites may come from supernovae

The two interstellar meteorites identified so far appear to be much more powerful than nearby ones. This could mean that it formed in a supernova.

Along Leah Crane

Interstellar meteorites may be even stranger than we thought. They appear to be stronger than meteorites produced in our own solar system, suggesting they may have formed in supernovae or other extreme cosmic events.

These intertwined rocks are fast. A meteorite moving at a high speed relative to the Sun could come from outside the solar system, and its origin can be confirmed by calculating the direction it came from.

The first interstellar meteorite…