... 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...
... and B, however the tell-tale sign of a tiny wobble in the star caused by the gravitational pull of an orbiting planet was spotted by astronomers using the HARPS spectrograph on the European Southern Observatory's 3.6-meter telescope at La Silla. The...