Forming planets in the early universe

dF star Number of posts : 3337 Registration date : 2008-06-12

Planets in the Early Universe
http://arxiv.org/abs/1212.0519

Since some planets are being found around very old, metal-poor stars (e.g. HIP 11952), it is necessary to explain how they could have formed in the early universe. Suitable conditions may have occurred as early as 13-14 Ga.

» Forming habitable planets in clusters
» Forming terrestrial planets around a pulsar
» Noncoplanarity and forming planets around Alpha Centauri
» Forming resonant satellites around giant planets
» Forming binary giant planets