Beginner Astrophysics Challenge
A quick set of multiple‑choice items that explore fundamental concepts in cosmic physics for newcomers.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
What force keeps planets moving around the Sun?
- 2
Which process powers most of a star’s light during its main‑sequence phase?
- 3
Identify the galaxy shape that features a central bulge surrounded by winding arms.
- 4
Approximately how old is the observable universe?
- 5
Among Mercury, Venus, and Earth, which terrestrial world has the strongest surface gravity?
- 6
What term describes the shift of light toward longer wavelengths as objects recede?
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