Sentences with phrase «as planetary companions»
We conclude that the planetary scenario is more likely than that of an astrophysical false positive by a factor of 2e5 (Kepler - 20b), 1e5 (Kepler - 20c), and 1.1 e3 (Kepler - 20d), sufficient to validate these objects as planetary companions.
https://arxiv.org/ Not exact matches
In this two - hour PBS special (a fine companion to The Life of Super-Earths), NOVA combines cutting - edge planetary science with the thrill of human exploration, putting astronomers and astrobiologists «on location» across the solar system as they explain the scientific search for life on other worlds.
Scientists have long suspected that our planetary companion was built when a Mars - sized body — commonly known as Theia — struck the young Earth, throwing molten rock into orbit that coalesced into the Moon.
Due in part to the discovery of planetary companions, Upsilon Andromedae A was identified as one of the top 100 target stars for NASA's proposed Terrestrial Planet Finder (TPF).
No planetary or brown dwarf companions have been founded as yet (Lagrange et al, 2009).
Such «barium stars» may be binaries, where a more massive companion has already thrown off its outer gas envelopes as a planetary nebula in becoming a white dwarf (see HD 147513 AB).