A spiral galaxy can be described as what type of shape? (1 point)
• oval
• triangular
• pinwheel
• no distinct shape
8 answers
• pinwheel
What lies at the center of the Milky Way galaxy? (1 point)
• the sun
• a black hole
• North Star
• Earth
• the sun
• a black hole
• North Star
• Earth
• a black hole
How are asteroids and comets similar? (1 poirt)
• Both orbit the sun.
• Both are frozen.
• Both are composed of gases.
• Both are composed of rock.
• Both orbit the sun.
• Both are frozen.
• Both are composed of gases.
• Both are composed of rock.
• Both orbit the sun.
At certain times of the year, five planets can be seen from Earth, including Mars and (1 point)
• Uranus.
• Neptune.
• Juno.
• Saturn.
• Uranus.
• Neptune.
• Juno.
• Saturn.
• Saturn.
What caused people to accept the geocentric model of the universe? (1 point)
• 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.
• Measurements and mathematical models demonstrated that the planets orbit around the sun.
• Telescopes allowed for a much detailed view of the circular orbits of the planets.
• 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.
• Measurements and mathematical models demonstrated that the planets orbit around the sun.
• Telescopes allowed for a much detailed view of the circular orbits of the planets.