Open AccessMore planets than stars in the Milky Way?
Publication year - 2012
Publication title -
astronomy & geophysics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.168
H-Index - 22
eISSN - 1468-4004
pISSN - 1366-8781
DOI - 10.1111/j.1468-4004.2012.53104_12.x
Subject(s) - gravitational microlensing , milky way , planet , exoplanet , physics , stars , astronomy , astrobiology
A survey using gravitational microlensing suggest that exoplanets are the exception rather than the rule in the Milky Way – and that small planets like Earth are more common than gas and ice giants.