A spiral galaxy can be described as what type of shape?(1 point)
Responses
oval
oval
no distinct shape
no distinct shape
triangular
triangular
pinwheel
pinwheel
What lies at the center of the Milky Way galaxy?(1 point)
Responses
Earth
Earth
the sun
the sun
a black hole
a black hole
North Star
a black hole
How are asteroids and comets similar?(1 point)
Responses
Both orbit the sun.
Both orbit the sun.
Both are frozen.
Both are frozen.
Both are composed of rock.
Both are composed of rock.
Both are composed of gases.
Both orbit the sun.
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.
Saturn.
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.
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.
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.
Objects seem to move across the sky, and Earth did not feel like it was moving.
What triggered the cyclic model of the origin of the universe?(1 point)
Responses
Some scientists think that the universe will not keep expanding forever.
Some scientists think that the universe will not keep expanding forever.
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 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.