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Cassini ends its 20-year mission by slamming into Saturn

20 September 2017

To avoid contaminating Saturn's two icy moons – now key targets in the hunt for life – Cassini was sent plummeting into the planet as its fuel ran out
Brown dwarfs have strong magnetic fields just like real stars

Brown dwarfs have strong magnetic fields just like real stars

15 September 2017

Failed stars called brown dwarfs straddle the line between big planets and small stars. An observation of a magnetic field puts another tick in the star column

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