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TW Hydrae

Around the very young yellow-orange star is a dust disk with more than 10 AU diameter which is full of chunks of rock in every size. Those will form a planetary system by colliding in the next few million years. This is the first star where this stadium in the formation of planets could be observed.

Constellation: Hydra
Age: 10 million years
Distance: 180 light-years
Spectral class: K8
Visual magnitude: 11.1
Mass: 0.8 * Sun

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    TW Hydrae
Graphic: CfA

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