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Asteroid behaving unexpectedly after Nasa's deliberate Dart crash

https://www.bbc.co.uk/newsround/66755079

A school teacher and his students have discovered that an asteroid deliberately hit by a Nasa spacecraft is behaving in a weird way.

Asteroid behaving unexpectedly after Nasa's deliberate Dart crash::A school teacher and his students have discovered that an asteroid deliberately hit by a Nasa spacecraft is behaving in a weird way.

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Skanceca

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But tachyons are by definitions just "hypothetical particles moving faster than light". Meaning if they exist, of course they move faster than light. I don't know which lab your talking about, but people are absolutely right to think that tachyons are faster than light (if they believe tachyons to exist, which of course never has been proven).

Maybe you have the wrong word here and that people think that neutrinos can move faster than light, since there was a false measurement in CERN? But that one has been reported and updated already.

lolcatnip

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Fun fact: particles that move slower than light (i.e. all known particles with mass) are called tardyons.