Both orbit the sun.
How are asteroids and comets similar?(1 point) Responses Both orbit the sun. Both orbit the sun. Both typically have tails. Both typically have tails. Both are frozen. Both are frozen. Both are composed of gases.
11 answers
At certain times of the year, five planets can be seen from Earth, including Mars and(1 point) Responses Neptune. Neptune. Saturn. Saturn. Uranus. Uranus. Juno.
Saturn.
Question What caused people to accept the geocentric model of the universe?(1 point) Responses 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. 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.
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 argue that the planets do not orbit in circles around the sun. 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. Some scientists found that the amount of radiation in space is not consistent with an explosion. Some scientists think that the universe will not keep expanding forever.
Some scientists think that the universe will not keep expanding forever.
Which ideas describe the big crunch?(1 point) Responses The universe goes through infinite cycles of expansion and contraction. The universe goes through infinite cycles of expansion and contraction. 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 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.
After the universe reaches its expansion limit, gravity will pull it all back together.
Use the excerpt from an online article to answer the question. “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 What is the future of the universe? What is the future of the universe? When did the universe form? When did the universe form? How did galaxies and stars form? How did galaxies and stars form? What is the temperature of deep space?
How did galaxies and stars form?