'It is dramatically different from most other comets we've seen before.' Scientists get first look inside comet from outside our solar system
When interstellar comet 2I/Borisov entered our solar system last year, this time capsule from another place in the universe opened and revealed information about its origin, according to new research.
Since it was first observed in 2019, the comet has been streaming across our solar system and the heat of our sun has caused it to shed gas. Within that gas and the melting bits of the comet is information, some of which could be millions or even billions of years old. In December, astronomers ensured that telescopes in space and on the ground were oriented to observe the comet's closest approach to Earth.
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