Astronomy II: Question Preview (ID: 23806)

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The earth rotates once every
a) month
b) day
c) year
d) week

The universe of shrinking
a) true
b) false

In a star life cycle, the name given to a ball of gas that has not begun to produce light is a
a) supernova
b) white dwarf
c) nebula
d) black hole

The color of the coolest star is
a) blue
b) yellow
c) orange
d) red

A solar eclipse is most likely to occur when the
a) earth and moon are at right angles to each other
b) sun is located between the earth and moon
c) moon is located between the sun and the earth
d) earth is located between the sun and the moon

What causes the changing of the seasons?
a) the changing amount of light the sun emits
b) the distance of the Earth from the sun
c) it is dependent upon where you are on the Earth
d) the tilt of the Earth's axis

What celestial body has the greatest influence on our tides
a) asteroid
b) moon
c) nearest planet
d) sun

How long does it take for the Earth to revolve around the sun?
a) 1 month
b) 1 day
c) 1 year
d) 1 week

What is the relationship between mass and gravity
a) objects with less gravity will have more mass
b) objects with more mass will have less gravity
c) objects with more mass will have greater gravity
d) mass and gravity are not related

A collection of million and billions of stars around a common center is called a
a) planet
b) galaxy
c) a light year
d) solar system

The universe includes all matter and energy
a) true
b) false

Our galaxy is part of a group of galaxies called the
a) local group
b) milky way
c) virgo duster
d) neighborhood

What's the best explanation that science has about how the universe started?
a) The String theory
b) The Big Bang theory
c) The Steady State theory
d) The Chaos theory

What is the next closet star to our Sun?
a) Arcturus
b) Antares
c) Proxima Centari
d) Vega

Main sequence is the balance between FUSION and GRAVITY

The brightness of a star can be measured with absolute magnitude or_______________?
a) luminosity
b) parallax
c) apparent magnitude
d) temperature

The Sun makes up about ____% of the Solar System's mass?
a) 75%
b) 50%
c) 90%
d) 98%

________is the comment center of mass around which 2 or more bodies revolve
a) precession
b) barycenter
c) regolith
d) eccentricity

_______is the measure of how an object's orbit differs from a perfect circle
a) protostar
b) eccentricity
c) regolith
d) precession

__________is loose, remaining material on the surface of a planet or moon
a) regolith
b) protostar
c) barycenter
d) eccentricity

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