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Earth and our Solar System Flashcards | StudBud
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Earth and our Solar System
Earth and our Solar System
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1
The ______________ _____________ describes how our Solar System formed.
Evolution Theory
Supernova Theory
Collision Theory
Nebular Theory
2
The Rocky Inner Planets include
Andromeda, Halley, Kuiper, Eros
Jupiter, Saturn, Uranus, Neptune
Webb, Hubble, Kepler, Newton
Mercury, Venus, Earth, Mars
3
The Sun is primarily composed of
Hydrogen
Carbon
Helium
Nitrogen
4
Equinoxes occur when the Sun's rays are directly over the
Equator
Tropic of Cancer
North Pole
South Pole
5
If you wanted to tell someone at another location on Earth where a celestial object is you would use
right ascension and declination
altitude and azimuth
latitude and longitude
a map and compass
6
__________________ exist in a 'belt' between Mars and Jupiter
Comets
Dwarf Planets
Meteors
Asteroids
7
June 21 is the ______________ _______________ in the Southern hemisphere
winter solstice
autumnal equinox
vernal equinox
summer solstice
8
Meteor showers occur because
the Earth passes through rocky/metallic debris as it orbits the Sun
space gods are throwing rocks at the Earth
aliens are sneezing
asteroids regularly fall out of the asteroid belt toward the Sun
9
The Gas Giants are held together by
Ice and gravity
Ice and cosmic glue
Large orbital rings
Gravity and dust
10
The Earth revolves about the Sun every
365.25 days
365 days
24 hours
366 days
11
Groupings of stars that were imagined to form images of objects or creatures are
nebulas
galaxies
constellations
clusters
12
The Sun is a great big _____________ reactor
Fusion
Chemical
Biological
Fission
13
______________ are 'dirty snowballs' orbiting the Sun in highly eliptical orbits originating from the Kuiper belt
Comets
Meteors
Dwarf Planets
Asteroids
14
A lunar eclipse occurs when
the Sun blocks light from the Earth
the Moon blocks light from the Sun
the Earth blocks light from the Sun
the Sun blocks light from the Moon
15
Day and night on Earth occur because
the Sun's brightness increases and decreases daily
the Sun spins in and out of view as the Earth rotates
the Moon eclipses the Sun daily
the Sun rotates around the Earth
16
An Astronomical unit is equal to
one parsec
150 million kilometers
one light year
150 kilometers
17
The stream of high energy charged particles flowing from the Sun is called
a Solar Flare
the Solar Wind
a Solar Prominence
a Sun Spot
18
____________________ form(s) when high energy charged particles interact with molecules in Earth's atmosphere
Auroras
Light Pollution
Plasma
Portals
19
The study of objects and phenomena in space is
astrometry
astronomy
astrophile
astrology
20
_______________ _______________ is when a planet appears to move backwards through space.
Epicycle motion
Orbital motion
Retrograde motion
Time warping