chapter 7.4; origin of the solar system
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Flashcardssuperearths
planets intermediate in size between our terrestrial and giant planets
solar nebula
spinning cloud of gas and adjust in which the solar system formed from
that all the planets lie in nearly the same plane and revolve in the same direction around the Sun. The Sun also spins in the same direction about its own axis.
this is evidence for the solar nebula
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4 Terms
superearths
planets intermediate in size between our terrestrial and giant planets
solar nebula
spinning cloud of gas and adjust in which the solar system formed from
that all the planets lie in nearly the same plane and revolve in the same direction around the Sun. The Sun also spins in the same direction about its own axis.
this is evidence for the solar nebula
circumstellar disk
a ring-shaped or pancake-shaped structure of gas, dust, asteroids, and other debris orbiting a star, often serving as the birthplace of planets
common occurrence around very young stars, suggesting that disks and stars form together
planetesimals
formed by material that begins to coalesce by forming these smaller objects, precursors of the planets