Sentences with phrase «planet formation requires»
Not exact matches
«Clearly this would suggest that planet formation does not require high - metal environments.»
http://www.sciencemag.org/
The theory of their formation requires answers to two main questions: 1) how to stop fast planet migration, and 2) how to prevent runaway accretion.
One involves deflecting a small amount of the sun's light and heat away from the planet to lower global temperatures; this could include the use of reflective aerosols or mirrors high in the atmosphere, or may require the deliberate formation of clouds.