Formation and evolution of the Solar System owe its substantially lower mass simply to having formed a few million years after Jupiter, when there was less gas available to consume. T Tauri stars like the young Sun have far stronger stellar winds than more stable, older stars. Uranus and Neptune are thought to have formed after Jupiter and Saturn did, when the strong solar wind had blown away much of the disc material. As a result, those planets accumulated little hydrogen and helium—not more than each. Uranus and Neptune are sometimes referred to as failed cores. The main problem with formation theories for these planets is the
Twice as Far Twice as Far "Twice as Far" is the fourteenth episode of the sixth season of the post-apocalyptic horror television series "The Walking Dead", which aired on AMC on March 20, 2016. The episode was written by Matthew Negrete and directed by Alrick Riley. This episode primarily focuses on two separate groups of characters going on supply runs; Daryl, Rosita, and Denise; and Abraham and Eugene. The episode marks Merritt Wever's final appearance of supporting character, Dr. Denise Cloyd, as she is killed off in this episode. It also marks the return of Austin Amelio as Dwight, who has been absent