...relative to the plane of the eight officially recognized planets. If Planet Nine exists, it would be about the same size... is needed to either prove or disprove the existence of Planet Nine, the overall reaction of the scientific community has so...
... radial drift triggered by gas drag. This concentration of large grains could facilitate the formation process of further planets as the particles may grow faster because of enhanced density of solids. “The results of this investigation show that...
...Caltech researchers provided the most compelling evidence yet that Planet X or Planet 9 as it has been nicknamed, resides in a... observed by the smaller objects. A predicted consequence of Planet Nine is that a second set of confined objects should...
... for astronomy in the coming decades is the characterisation of the atmospheres, and possibly the surfaces, of Earth-size planets in the habitable zones around nearby stars. The habitable zone (HZ) or ‘Goldilocks Zone’ is seen as the location around...