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An alien comet is now passing through our solar system. Here's what we know
This diagram shows the hyperbolic trajectory of interstellar comet 3I/ATLAS as it passes through the inner solar system. It ...
Comet believed to be 3 billion years older than our solar system
Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.
Space.com on MSN2d
NASA's asteroid-crash Earth defense tactic has a complication — DART ejected large boulders into space
When NASA's DART mission crashed into the asteroid Dimorphos, the first stage of the impact saw the spacecraft's solar panels ...
NASA warns of giant interstellar comet of unknown origin crossing the solar system
A comet the size of Manhattan has been detected hurtling through the solar system, marking only the third time an ...
Interesting Engineering on MSN21h
7 billion-year-old mysterious comet is the oldest known guest in our solar system
It’s a fantastic opportunity to test our model on something new and possibly ancient.” The scientist explained that the comet ...