Q1: Lesson 2 | Solar Nebula Hypothesis Flashcards
giant cloud of dust and gas
nebula
when did the solar nebula hypothesis occur
4.5 billion years ago
was proposed by Nicolas Copernicus where he says that the sun is at the center of the universe.
heliocentrism
has a similar idea proposed by Ptolemaus where he says that the Earth is the center of the universe.
geocentrism
how many years was our solar system formed after the big bang
9.2 billion years
who proposed the solar nebula theory
immanuel kant
2 types of planets
terrestrial and jovian
when was pluto downgraded as a planet
aug. 24, 2006
who discovered pluto
clyde tombaugh
smallest planet
mercury
closest to the sun
mercury
fastest planet
mercury
when does mercury orbit the sun
88 earth days
hottest planet
venus
what planet spins slowly in the opposite direction
venus
home planet
earth
dusty, cold, desert world with a very thin atmosphere
mars
more than twice as massive than the other planets of our solar system combined
jupiter
how old is jupiter’s red spot
about 190 years
adorned with a dazzling, complex system of icy rings
saturn
at what angle does uranus rotate in
nearly 90 degree angle from the plane of its orbit
is dark, cold, and whipped by supersonic winds
neptune
coldest planet
uranus
is the boundary of our solar system.
oort cloud
