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Eris, Pluto’s distant twin

In November 2010, the dwarf planet Eris passed in front of a faint star in the Cetus constellation. The observations of this occultation with, among others, the Liège robotic telescope TRAPPIST gave unexpected and important results.

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Liège astrophysicists in seventh heaven

ULiège is the first francophone Belgian university to equip itself with a robotic telescope. Responding to the effervescent name of TRAPPIST, it will scan the starry skies of Chile in the search for exoplanets and comets.

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