2015 BZ509: Extrasolar asteroid?

Venusian Broon

Defending the SF genre with terminal intensity
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Fascinating stuff. It might be significantly older than our solar system, so a look at it's composition would be very interesting.
 

mosaix

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Asteroid from another star system found orbiting wrong way near Jupiter

A permanent visitor from interstellar space has been found in our solar system, astronomers studying an asteroid orbiting our sun have revealed.

While collisions with Earth by comets and asteroids from within our solar system are thought to have brought organic material and water necessary for life to emerge, experts say the latest discovery suggests bodies from beyond the solar system might have also have played a role.
 

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