Stars and solar system hard

Stars and Solar System Quiz

1. What is the name of the largest known star in the universe?

a) Betelgeuse b) VY Canis Majoris c) UY Scuti d) Rigel

2. What is the process by which a massive star ends its life in a violent explosion?

a) Supernova b) Nova c) Hypernova d) Black hole formation

3. Which phenomenon occurs when a star's core collapses under gravity and becomes incredibly dense?

a) Stellar wind b) Nuclear fusion c) Pulsar d) Neutron star

4. What is the process by which light elements combine to form heavier elements within a star?

a) Nuclear fission b) Nuclear fusion c) Chemical reaction d) Gravitational collapse

5. What is the name of the region in space where the gravitational pull of a black hole is so strong that nothing can escape from it, not even light?

a) Event horizon b) Singularity c) Escape velocity d) Wormhole

6. How is the distance between stars and galaxies in space measured?

a) Light years b) Astronomical units c) Parsecs d) Megaparsecs

7. What is the name of the process that powers the sun and other stars, converting hydrogen into helium?

a) Nuclear fission b) Nuclear fusion c) Gravitational contraction d) Stellar pulsation

8. Which space telescope was launched to study the cosmic microwave background radiation?

a) Kepler Space Telescope b) Hubble Space Telescope c) Planck Observatory d) Chandra X-ray Observatory

9. What is the phenomenon in which a massive star collapses to a point of infinite density?

a) White dwarf b) Neutron star c) Black hole d) Red giant

10. What is the most accepted theory about the origin of the universe?

a) Steady State Theory b) Geocentric Model c) Big Bang Theory d) Ptolemaic System