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Questions and Answers
Which of the following are real motions of our 'spaceship Earth'? Select all that apply.
Which of the following are real motions of our 'spaceship Earth'? Select all that apply.
- Earth rotates on its axis.
- Earth moves with the Sun on an orbit around the center of the Milky Way galaxy. (correct)
- Earth orbits the Moon.
- Earth revolves around Mars.
Which of the following statements about Earth's motion is true?
Which of the following statements about Earth's motion is true?
- Earth and the Local Group move along with the Local Supercluster on an orbit around the center of the Universe. (correct)
- Earth orbits the Moon.
- Earth revolves around Mars.
- Earth is stationary and does not move.
Which of the following motions is associated with Earth's movement in relation to other galaxies?
Which of the following motions is associated with Earth's movement in relation to other galaxies?
- Earth orbits the Moon.
- Earth revolves around Mars.
- Earth rotates on its axis.
- Earth and our solar system move with the Milky Way galaxy relative to other galaxies in our Local Group. (correct)
About how long would it take to count all the stars in the Milky Way Galaxy if you could count stars at a rate of about one per second?
About how long would it take to count all the stars in the Milky Way Galaxy if you could count stars at a rate of about one per second?
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Where is our solar system located within the Milky Way Galaxy?
Where is our solar system located within the Milky Way Galaxy?
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If you could count stars at a rate of about one per second, how long would it take to count all the stars in the Milky Way Galaxy?
If you could count stars at a rate of about one per second, how long would it take to count all the stars in the Milky Way Galaxy?
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