This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 9 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The big bang was a rapid ..... A) Recoiling. B) Unknown. C) Expansion. D) Contraction. Show Answer Correct Answer: C) Expansion. 2. Who is credited with discovering proof that we live in an expanding universe? A) Newton. B) Hubble. C) Einstein. D) Gamow and Alphner. Show Answer Correct Answer: B) Hubble. 3. Brightness of a star as seen from Earth A) Parallax. B) Apparent magnitude. C) Absolute magnitude. D) Spectrum. Show Answer Correct Answer: B) Apparent magnitude. 4. What are the three major types of galaxies identified by Edwin Hubble? A) Spiral, triangular, irregular. B) Spiral, elliptical, irregular. C) Spiral, triangular, elliptical. D) Triangular, elliptical, irregular. Show Answer Correct Answer: B) Spiral, elliptical, irregular. 5. States that the universe expands but did not change its density A) Multiverse Theory. B) Atomic Universe. C) Steady State Theory. D) Primordial Universe. Show Answer Correct Answer: C) Steady State Theory. 6. The Earth's motion around the Sun is called its A) Rotation. B) Revolution. C) Precession. D) Nutation. Show Answer Correct Answer: B) Revolution. 7. The Milky Way Galaxy contains A) Billions of stars and the objects in orbit around them. B) Billions of stars but not the objects in orbit around them. C) All of the stars throughout the Universe. D) Only the objects found in the Solar System. Show Answer Correct Answer: A) Billions of stars and the objects in orbit around them. 8. A type of energy that opposes gravity and causes the expansion of the universe A) Dark energy. B) Dark matter. C) Electromagnetic. D) Accelerating. Show Answer Correct Answer: A) Dark energy. 9. The theory that the universe is expanding is supported by the A) Blue shift of light from distant galaxies. B) Existence of cosmic background radiation. C) Nuclear fusion occurring in the Sun. D) Radioactive decay occurring in the Sun. Show Answer Correct Answer: B) Existence of cosmic background radiation. 10. Which of the following lists the astronomical structures from smallest to largest? A) Planetary system, galaxy, universe, planet. B) Planet, planetary system, galaxy, universe. C) Universe, planet, galaxy, planetary system. D) Galaxy, universe, planetary system, planet. Show Answer Correct Answer: B) Planet, planetary system, galaxy, universe. 11. Which theory states that the universe is expanding but will eventually come to a halt then return to its original form? A) Big Bang Theory. B) Oscillating Universe Theory. C) Steady-State Theory. D) Expansion-Halt Theory. Show Answer Correct Answer: B) Oscillating Universe Theory. 12. Light years are used by astronomers to measure what property of celestial bodies? A) Distance from Earth. B) Time since formation. C) Internal temperature. D) Absolute brightness. Show Answer Correct Answer: A) Distance from Earth. 13. The universe is believed to be at least ..... in diameter and contains a vast number of galaxies. A) 10 billion light years. B) 200 million light year. C) 34 billion light year. D) None of above. Show Answer Correct Answer: A) 10 billion light years. 14. According to the Big Bang theory, how old is the universe? A) 6, 000 years. B) 65 million years. C) 4.5 billion years. D) 14.5 billion years. Show Answer Correct Answer: D) 14.5 billion years. 15. The satellite of planet Earth is ..... A) Moon. B) Sun. C) Star. D) Planet. Show Answer Correct Answer: A) Moon. 16. The big bang was a what? A) Explosion. B) Unknown. C) Expansion. D) Contraction. Show Answer Correct Answer: A) Explosion. 17. All of space and everything in it A) Universe. B) Origin. C) Big bang. D) Position. Show Answer Correct Answer: A) Universe. 18. A collection of stars, dust, and gas bound together by gravity is ..... A) Universe. B) Solar System. C) Planet. D) Galaxy. Show Answer Correct Answer: D) Galaxy. 19. Scientist that developed the law of universal gravitation A) Albert Einstein. B) Georges Lemaitre. C) Edwin Hubble. D) Sir Issac Newton. Show Answer Correct Answer: D) Sir Issac Newton. 20. Which of the following stars would be seen as the brightest star? A) Alpheratz, which has an apparent magnitude of 2. B) Alcyone, which has an apparent magnitude of 3. C) Deneb, which has an apparent magnitude of 1. D) Sirius, which has an apparent magnitude of-1. Show Answer Correct Answer: D) Sirius, which has an apparent magnitude of-1. ← PreviousNext →Related QuizzesScience QuizzesThe Universe Quiz 1The Universe Quiz 2The Universe Quiz 3The Universe Quiz 4The Universe Quiz 5The Universe Quiz 6The Universe Quiz 7The Universe Quiz 8The Universe Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books