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Questions and Answers
Which of the following is NOT one of the four types of galaxies?
Which of the following is NOT one of the four types of galaxies?
- Elliptical
- Irregular
- Spiral
- Circular (correct)
What is the difference between quasars and galaxy clusters?
What is the difference between quasars and galaxy clusters?
- Quasars emit more light than galaxy clusters (correct)
- Galaxy clusters are denser than quasars
- Quasars are larger than galaxy clusters
- Galaxy clusters are more distant than quasars
What is the effect of extended weightlessness/reduced gravity on the human body?
What is the effect of extended weightlessness/reduced gravity on the human body?
- Improved cardiovascular function
- Improved immune system function
- Decreased bone density (correct)
- Increased muscle mass
