This quiz works best with JavaScript enabled. Home > Science > Physics > The Universe – Quiz 30 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books The Universe Quiz 30 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A celestial body made of gas and emits light. A) Sun. B) Star. C) Nebula. D) Galaxy. Show Answer Correct Answer: B) Star. 2. The universe is mostly A) Made of stars. B) Gas and dust clouds. C) Rocky planets, moons, and extraterrestrial objects. D) Empty space. Show Answer Correct Answer: D) Empty space. 3. Complete the sentence:Objects are red-shifted when they are moving ....., causing the wavelengths of light to ..... A) Towards us, decrease. B) Away from us, increase. C) Away from us, decrease. D) Towards us, increase. Show Answer Correct Answer: B) Away from us, increase. 4. A collection of dust and gases where stars can form is called a A) Galaxy. B) Nebula. C) Black Hole. D) Supernova. Show Answer Correct Answer: B) Nebula. 5. Which of the following components of the universe is best described a system of stars, gases, and dust held together by gravity? A) A nebula. B) A planet. C) A meteor. D) A galaxy. Show Answer Correct Answer: D) A galaxy. 6. The average distance from Earth to the Sun A) 2 AUs. B) An astronomic unit. C) A light year. D) 93 trillion miles. Show Answer Correct Answer: B) An astronomic unit. 7. Which body in our solar system is classified as a star A) Haleys Comet. B) Pluto. C) The Sun. D) Mars. Show Answer Correct Answer: C) The Sun. 8. What theory is closely associated with the big bang theory? A) The heliocentric model. B) The geocentric model. C) The shrinking universe. D) The expanding universe. Show Answer Correct Answer: D) The expanding universe. 9. Inside a singularity we find what type of conditions? A) Infinite density. B) Infinite heat. C) An infinitesimally small diameter. D) All of these. Show Answer Correct Answer: D) All of these. 10. ..... is the study of the universe. A) Climatology. B) Geology. C) Cosmology. D) Astronomy. Show Answer Correct Answer: C) Cosmology. 11. What season is the Northern Hemisphere experiencing when the Southern Hemisphere is tilted directly toward the Sun? A) Fall. B) Winter. C) Spring. D) Summer. Show Answer Correct Answer: B) Winter. 12. Venus appears very bright in the night sky because it ..... A) Is the largest planet. B) Is the closest planet to Earth. C) Has a gravitational field. D) Has a high surface temperature. Show Answer Correct Answer: B) Is the closest planet to Earth. 13. How bright a star appears in the night sky relative to other stars seen there is called its A) Luminosity. B) Spectral class. C) Absolute magnitude. D) Apparent magnitude. Show Answer Correct Answer: D) Apparent magnitude. 14. Which does the existance of cosmic background radiation support? A) The Big Bang Theory. B) The inflationary model. C) Critical density. D) Hubble constant. Show Answer Correct Answer: A) The Big Bang Theory. 15. What are the longest and least dangerous of all the electromagnetic wavelengths? A) X-Rays. B) Radio waves. C) Microwaves. D) Gamma rays. Show Answer Correct Answer: B) Radio waves. 16. Our Sun is located near the edge of a ..... galaxy, named the ..... A) Disc shaped, Milky Way. B) Disc shaped, Solar System. C) Elliptical shaped, Milky Way. D) Elliptical shaped, Solar System. Show Answer Correct Answer: A) Disc shaped, Milky Way. 17. The evidence we have suggests that ..... A) The universe has just always existed. B) The universe began with a huge explosion. C) The universe is shrinking. D) The universe started with a singularity and continues to expand. Show Answer Correct Answer: D) The universe started with a singularity and continues to expand. 18. When we see the Andromeda galaxy, we are seeing it as it was 2.3 million years ago. Why? A) It takes light that length of time to travel. B) Light travels really slow in outer space. C) Light travels faster than sound. D) It is an ancient galaxy. Show Answer Correct Answer: A) It takes light that length of time to travel. 19. How old is our universe? A) 13.8 thousand years. B) 13.8 million years. C) 13.8 billion years. D) 13.8 trillion years. Show Answer Correct Answer: C) 13.8 billion years. 20. What is the space and all the matter and energy that makes it up A) Star. B) Asteroid. C) Planets. D) Universe. Show Answer Correct Answer: D) Universe. ← 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