Podcast
Questions and Answers
Which of the following are real motions of our 'spaceship Earth'?
Which of the following are real motions of our 'spaceship Earth'?
- Earth and the Local Group move along with the Local Supercluster on an orbit around the center of the Universe.
- Earth moves with the Sun on an orbit around the center of the Milky Way galaxy. (correct)
- Earth orbits the Moon.
- Earth and our solar system moves with the Milky Way galaxy relative to other galaxies in our Local Group.
As seen from Earth, the Sun appears to follow the annual path that we call the __________ around the celestial sphere.
As seen from Earth, the Sun appears to follow the annual path that we call the __________ around the celestial sphere.
- north celestial pole
- south celestial pole
- ecliptic (correct)
- celestial equator
Why does the Sun rise and set each day?
Why does the Sun rise and set each day?
- It undergoes retrograde motion each day.
- It orbits Earth once each day.
- Its position seems to change because of stellar parallax.
- Earth rotates once each day. (correct)
Which of the following is NOT a real motion of our 'spaceship Earth'?
Which of the following is NOT a real motion of our 'spaceship Earth'?
What is the name of the path that the Sun appears to follow around the celestial sphere?
What is the name of the path that the Sun appears to follow around the celestial sphere?
Study Notes
Motions of 'Spaceship Earth'
- The Earth has multiple motions, but not all listed options may be real.
Celestial Sphere and the Sun's Path
- The Sun appears to follow an annual path around the celestial sphere as seen from Earth.
- This path is called the ecliptic.
Daily Sunrise and Sunset
- The Sun rises and sets each day due to the Earth's rotation.
Real Motions of 'Spaceship Earth'
- The Sun's apparent motion around the celestial sphere is not a real motion of the Earth.
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Description
Test your knowledge about the various motions of our "spaceship Earth" in this quiz. Explore whether Earth orbits the Sun, moves with the Milky Way galaxy, and journeys with the Local Group and Local Supercluster in the vast Universe. Select the correct motions from the options provided to gauge your understanding of Earth's celestial movements.
