Studied by 8 people
universe
Totality of all space and time.
jovian
Outer planets
mercury
Nearest planet to the sun
Kant and Laplace
Nebular theory
nebula
Is a cloud of gases or dust in space
stars
Heavenly bodies with so much heat pressure inside
constellation
Is an apparent arrangement of stars named after ancient beings.
galaxy
Big assembly of stars, gas and dust held together by gravity.
Earth
Our habitat
asteroid
Minor planet
Lithosphere
composed of both the crust and the portion of the upper mantle that behaves as a brittle, rigid solid.
Asthenosphere
solid upper mantle material that is so hot that it behaves plastically and can flow.
Transition Zone
rocks do not melt or disintegrate.
Lower Mantle
is hotter and denser than the upper mantle and transition zone.
Gutenberg discontinuity
the core-mantle boundary, or CMB, marks the end of the mantle and the beginning of Earth’s liquid outer core.
CORE
mostly made of iron and nickel.
Outer Core
is mostly composed of liquid iron and nickel.
Bullen discontinuity
hottest part of the core where temperatures reach 6,000° Celsius—as hot as the surface of the sun.
Inner Core
a hot, dense ball of (mostly) iron.
Note 
Flashcard (83)