Trappist-1 top view

Trappist-1 top view
Trappist-1 top view Top view of the Trappist-1 planetary system showing the circular orbits of the seven Earth-like exoplanets. The red dwarf is not to scale. The green area corresponds to the habitable zone of the star where liquid water could exist on the surface of those worlds. F. Marchis & H. Marchis