How are asteroids and comets similar?(1 point)
Responses
Both orbit the sun.
Both orbit the sun.
Both are composed of gases.
Both are composed of gases.
Both are frozen.
Both are frozen.
Both are composed of rock.
Both are composed of rock.
Both are composed of rock.
At certain times of the year, five planets can be seen from Earth, including Mars and(1 point)
Responses
Neptune.
Neptune.
Juno.
Juno.
Saturn.
Saturn.
Uranus.
Uranus.
What can spectroscopes tell us about a space object?(1 point)
Responses
determine temperature, chemical composition, and speed
determine temperature, chemical composition, and speed
determine temperature, chemical composition, and size
determine temperature, chemical composition, and size
provide imagery
provide imagery
calculate location
determine temperature, chemical composition, and speed.
What determines whether a star will end its life cycle as a black hole or neutron star or as a white dwarf?
(1 point)
Responses
the temperature of the star
the temperature of the star
the age of the star
the age of the star
the mass of the star
the mass of the star
the color of the star
the color of the star
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the mass of the star.
Which is the last stage in the life cycle of an average star?(1 point)
Responses
neutron star
neutron star
planetary nebula
planetary nebula
super red giant
super red giant
white drawf
white dwarf.
Which is the first stage in the life cycle of a massive star?(1 point)
Responses
red giant
red giant
nebula
nebula
white drawf
white drawf
black hole
nebula.
What lies at the center of the Milky Way galaxy?(1 point)
Responses
the sun
the sun
Earth
Earth
a black hole
a black hole
North Star
North Star
a black hole.
A spiral galaxy can be described as what type of shape?(1 point)
Responses
no distinct shape
no distinct shape
oval
oval
pinwheel
pinwheel
triangular
Blueshift is observed when(1 point)
Responses
a luminous object travels alongside an observer.
a luminous object travels alongside an observer.
a luminous object is stationary compared to an observer.
a luminous object is stationary compared to an observer.
a distant luminous object travels rapidly away from an observer.
a distant luminous object travels rapidly away from an observer.
a distant luminous object travels rapidly towards an observer.
a distant luminous object travels rapidly towards an observer.
a distant luminous object travels rapidly towards an observer.
What triggered the cyclic model of the origin of the universe?(1 point)
Responses
Some scientists began to use telescopes and mathematics to study the universe.
Some scientists began to use telescopes and mathematics to study the universe.
Some scientists think that the universe will not keep expanding forever.
Some scientists think that the universe will not keep expanding forever.
Some scientists found that the amount of radiation in space is not consistent with an explosion.
Some scientists found that the amount of radiation in space is not consistent with an explosion.
Some scientists argue that the planets do not orbit in circles around the sun.
Some scientists found that the amount of radiation in space is not consistent with an explosion.
Which ideas describe the big crunch?(1 point)
Responses
The big bang actually never occurred, and the universe must have a different origin.
The big bang actually never occurred, and the universe must have a different origin.
After the universe reaches its expansion limit, gravity will pull it all back together.
After the universe reaches its expansion limit, gravity will pull it all back together.
The universe is not only composed of the objects that we can see.
The universe is not only composed of the objects that we can see.
The universe goes through infinite cycles of expansion and contraction.
The universe goes through infinite cycles of expansion and contraction.
After the universe reaches its expansion limit, gravity will pull it all back together.
What caused people to accept the geocentric model of the universe?(1 point)
Responses
Noticing the gravity will eventually pull all the planets and the universe back together.
Noticing the gravity will eventually pull all the planets and the universe back together.
Objects seem to move across the sky, and Earth did not feel like it was moving.
Objects seem to move across the sky, and Earth did not feel like it was moving.
Telescopes allowed for a much detailed view of the circular orbits of the planets.
Telescopes allowed for a much detailed view of the circular orbits of the planets.
Measurements and mathematical models demonstrated that the planets orbit around the sun.
Measurements and mathematical models demonstrated that the planets orbit around the sun.
Objects seem to move across the sky, and Earth did not feel like it was moving.
“While the big bang theory is the most popular modern theory of how the universe formed, it is incomplete.”
Which question does the big bang theory leave unanswered?
(1 point)
Responses
How did galaxies and stars form?
How did galaxies and stars form?
When did the universe form?
When did the universe form?
What is the temperature of deep space?
What is the temperature of deep space?
What is the future of the universe?
What is the future of the universe?
What is the future of the universe?
Which theory of how the universe formed is best supported by evidence of radio waves detected in space?(1 point)
Responses
big crunch theory
big crunch theory
big bang theory
big bang theory
heliocentric model
heliocentric model
steady state theory
big bang theory.
Which inference can be made from the spectrum readings?
(1 point)
Responses
There is a red shift, which means that the star is moving toward the sun.
There is a red shift, which means that the star is moving toward the sun.
There is a blue shift, which means that the star is moving toward the sun.
There is a blue shift, which means that the star is moving toward the sun.
There is a red shift, which means that the star is moving away from the sun.
There is a red shift, which means that the star is moving away from the sun.
There is a blue shift, which means that the star is moving away from the sun.