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