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earth sci > The Universe and The Solar System > Flashcards

The Universe and The Solar System Flashcards

1
Q

studies the origin, evolution, and fate of the universe

A

Cosmology

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2
Q

What is the Universe

A

LARGE unimaginable expense of GAS, STARS, DUST CLOUDS, and consists of PLANETS and GALAXY

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3
Q

disproven due to the cosmic microwave background

A

Steady State Theory

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4
Q

hot & dense ; dilutes as the Universe expands

A

Big Bang Theory

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5
Q

Constantly created as the universe expands

A

Steady State Theory

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6
Q

Who are the 2 proponents of the Big Bang

A

Alexander Friedman and Georges Lemaitre

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7
Q

Heat from the Big Bang

A

CMBR(cosmic microwave background radiation)

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8
Q

Who proposed the Planetesimal Hypothesis

A

Chamberlin & Moulton

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8
Q

the universe goes through successive periods of expansion and contraction

A

Pulsating Universe Theory

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8
Q

Enumerate the Planet System in Order

A
  1. Mercury
  2. Venus
  3. Earth
    4.Mars
    5.Jupiter
    6.Saturn
    7.Uranus
    8.Neptune
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8
Q

gravitationally bound system comprising the
Sun and the objects that orbit around it; in constant motion

A

Solar System

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8
Q

Made of material with high melting points ;Rotate slower, have thin or no atmosphere.

A

Terrestrial (Inner Planets)

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8
Q

Gas giants, Rotate faster, Have thick
atmosphere

A

Jovian (Outer Planets)

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9
Q

a
small planetary-mass
object that is in direct
orbit of the Sun

A

DWARF PLANET

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9
Q

Innermost and swiftest
planet, Temperature range of
-300F to 800F,Very little atmosphere

A

MERCURY

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9
Q

Is a minor planet named after a Filipino Teacher

Planet 13241, found in the main asteroid belt between
Mars and Jupiter

A

Planet Biyo

9
Q

Thick cloud of carbon
dioxide

A

VENUS

9
Q

The only place we know
so far that’s inhabited by
living things

A

EARTH

9
Q

Very dry planet

Reddish rock, sand
and soil

A

MARS

10
Q

Hurricane-like storm
systems with winds of
1000 mph – great red spot

A

JUPITER

11
Q

29 ½ years to
make one
revolution

System of rings

High wind speeds
of 1000+ mph

A

SATURN

12
Q

Known as the green planet and has a blander appearance

A

Uranus

13
Q

Neptune

A

Twin planet to
Uranus, Neptune’s atmosphere has darker bands

14
Q

Often compared to “large, dirty snowballs”, Frozen gases

Rocky and metallic materials

A

Comets

15
Q

Irregular shapes and origin is UNCERTAIN

A

Asteroids

16
Q

Meteor

A

when they enter Earth’s atmosphere

17
Q

Meteorites

A

when found on Earth

18
Q

Meteoroid

A

rocky, metalic fragment of an asteroid, comet, or planet

earth sci (4 decks)

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