The Universe and The Solar System Flashcards
studies the origin, evolution, and fate of the universe
Cosmology
What is the Universe
LARGE unimaginable expense of GAS, STARS, DUST CLOUDS, and consists of PLANETS and GALAXY
disproven due to the cosmic microwave background
Steady State Theory
hot & dense ; dilutes as the Universe expands
Big Bang Theory
Constantly created as the universe expands
Steady State Theory
Who are the 2 proponents of the Big Bang
Alexander Friedman and Georges Lemaitre
Heat from the Big Bang
CMBR(cosmic microwave background radiation)
Who proposed the Planetesimal Hypothesis
Chamberlin & Moulton
the universe goes through successive periods of expansion and contraction
Pulsating Universe Theory
Enumerate the Planet System in Order
- Mercury
- Venus
- Earth
4.Mars
5.Jupiter
6.Saturn
7.Uranus
8.Neptune
gravitationally bound system comprising the
Sun and the objects that orbit around it; in constant motion
Solar System
Made of material with high melting points ;Rotate slower, have thin or no atmosphere.
Terrestrial (Inner Planets)
Gas giants, Rotate faster, Have thick
atmosphere
Jovian (Outer Planets)
a
small planetary-mass
object that is in direct
orbit of the Sun
DWARF PLANET
Innermost and swiftest
planet, Temperature range of
-300F to 800F,Very little atmosphere
MERCURY