Entry Exam Category: Graduate & Professional Program Admission Exams
Course: Praxis
Exam: Praxis Elementary Science 5005 Practice Test
Practice Question
Which TWO of the following statements about the universe are true?
Answer Choices
- A: The universe is expanding.
- B: The Milky Way galaxy contains most of the stars in the universe.
- C: A star's size, temperature, and composition typically remain constant throughout its life cycle.
- D: A black hole is usually detected by the intense visible light it emits.
Correct Answer: A
Rationale: A: Universe expanding, redshift evidence. B: False, billions galaxies. C: False, stars evolve. D: False, detected by effects, not light. Expansion key cosmology.