This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 23 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 23 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following best describes the position of the Sun in the geocentric model? A) It is at the center of the Milky Way Galaxy. B) It is at the center of the Universe. C) It orbits Earth. D) It orbits another star. Show Answer Correct Answer: C) It orbits Earth. 2. Very massive stars eventually collapse into what final star remnant? A) Neutron stars. B) Black holes. C) White dwarfs. D) Protostars. Show Answer Correct Answer: B) Black holes. 3. A(n) ..... is so massive that its gravity does not even let light escape. A) Galaxy. B) Sun. C) Quasar. D) Black Hole. Show Answer Correct Answer: D) Black Hole. 4. The universe contains A) One galaxy. B) 3 galaxies. C) Millions of galaxies. D) Billions of galaxies. Show Answer Correct Answer: D) Billions of galaxies. 5. Redshift and cosmic background radiation are evidence supporting the ..... A) Big Bang Theory. B) Nebula. C) Electromagnetic spectrum. D) None of above. Show Answer Correct Answer: A) Big Bang Theory. 6. Hubble's law states which of the following? A) We live in an expanding universe. B) The further away a galaxy is, the faster it is receding. C) Galaxies far away look redder through a telescope. D) All of these. Show Answer Correct Answer: B) The further away a galaxy is, the faster it is receding. 7. A light year is ..... A) The speed light travels. B) How long it takes light to get to you from the sun. C) The distance light can travel in a year. D) How many years it takes light to be emitted. Show Answer Correct Answer: C) The distance light can travel in a year. 8. Earth's rotation takes about ....., whereas its revolution takes about ..... A) One day; one year. B) One year; one day. C) One month; one year. D) One day; one eclipse. Show Answer Correct Answer: A) One day; one year. 9. The four planets that orbit farthest from the sun are called gas giant planets. They are A) Jupiter, Saturn, Uranus, and Venus. B) Jupiter, Saturn, Uranus, and Neptune. C) Jupiter, Saturn, Earth, and Mars. D) Mars, Saturn, Uranus, and Neptune. Show Answer Correct Answer: B) Jupiter, Saturn, Uranus, and Neptune. 10. One way scientists calculate the age of the universe is to measure the distance ..... A) Unheard of. B) From the planets to Earth. C) From space to Earth. D) From Earth to various galaxies. Show Answer Correct Answer: D) From Earth to various galaxies. 11. The first planet from the sun is A) Jupiter. B) Venus. C) Mercury. D) Earth. Show Answer Correct Answer: C) Mercury. 12. Which of the following is not true of a scientific theory? A) A theory can be based off a model or an explanation. B) You do not need evidence to form a theory. C) A theory is based on results. D) None of above. Show Answer Correct Answer: B) You do not need evidence to form a theory. 13. Cosmology is ..... A) The force of attraction between all masses in the universe. B) A galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms. C) The science of the origin and development of the universe. D) A scientist who studies the universe. Show Answer Correct Answer: C) The science of the origin and development of the universe. 14. Which of the following most accurately describes why the Earth receives more energy from the Sun than all of the other billions of stars combined? A) The sun is larger in size. B) The sun is more dense. C) The sun is hotter. D) The sun is much closer. Show Answer Correct Answer: D) The sun is much closer. 15. Today's solar system model is called ..... A) Heliocentric. B) Ptolemaic. C) Geocentric. D) Kepler's Law. Show Answer Correct Answer: A) Heliocentric. 16. The age of the universe is probably close to ..... A) 14 million years. B) 4 1/2 billion years. C) 15 billion years. D) 30 billion years. Show Answer Correct Answer: A) 14 million years. 17. A change in wavelength of a wave due to the source and observer moving closer or farther apart A) Doppler Effect. B) Siren Shift. C) Duck Wake. D) Distance Effect. Show Answer Correct Answer: A) Doppler Effect. 18. What consists of a star and all the bodies in orbit around it? A) Solar system. B) Galaxy. C) Nebula. D) Comet. Show Answer Correct Answer: A) Solar system. 19. What is the unit used to measure the distance between stars or the size of galaxies A) Parsec. B) Astronomical Units. C) Light year. D) Kilometers. Show Answer Correct Answer: C) Light year. 20. Which of the following is a piece of evidence that supports the Big Bang Theory? A) The blue-shift of light emitted by stars. B) The yellow color of most stars. C) The lack of life on other planets. D) The red-shift of light emitted by stars. Show Answer Correct Answer: D) The red-shift of light emitted by stars. ← 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books