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Black holes

Quiz by lala

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10 questions
Show answers
  • Q1
    What phenomenon defines a black hole?
    A large gas cloud in space
    A type of star that is dying
    A region of space where the gravitational pull is so strong that nothing, not even light, can escape from it
    A hole created by a supernova explosion
    30s
  • Q2
    What is the event horizon of a black hole?
    The outer layer of a planet
    The surface of a neutron star
    The boundary beyond which nothing can escape the black hole's gravitational pull
    The center point of a black hole
    30s
  • Q3
    What is a common method used to detect black holes?
    Detecting sound waves emitted by them
    Observing the effects of their gravitational pull on nearby stars or gas
    Viewing them directly with a telescope
    Measuring their color in the visible spectrum
    30s
  • Q4
    What happens to an object that crosses the event horizon of a black hole?
    It cannot return to the outside universe and is pulled towards the singularity
    It will explode
    It can still transmit signals back
    It will freeze instantly
    30s
  • Q5
    What is a supermassive black hole?
    A black hole that forms from a single star
    A black hole with no mass
    A small black hole that affects only nearby planets
    A black hole with a mass millions to billions of times that of our Sun
    30s
  • Q6
    What is Hawking radiation?
    Radiation emitted during a black hole's formation
    The theoretical radiation that black holes can emit due to quantum effects near the event horizon
    Light that is trapped inside a black hole
    Radiation that gives black holes their color
    30s
  • Q7
    What is the process called that leads to the formation of a black hole?
    Expansion of a supernova
    Nuclear fusion in a star
    Gravitational collapse of a massive star
    Chemical reaction in space
    30s
  • Q8
    Which of the following best describes spaghettification in the context of black holes?
    The formation of a star after a black hole evaporates
    The creation of a neutron star from collapsing mass
    The phenomenon of light bending around a black hole
    The process where objects are stretched and torn apart by extreme gravitational forces
    30s
  • Q9
    What is the term for the point of infinite density at the center of a black hole?
    Singularity
    Event horizon
    Neutron star
    Quasar
    30s
  • Q10
    What is the role of dark matter in relation to black holes?
    Dark matter influences the gravitational pull around black holes and affects galaxy formation
    Dark matter is made of black holes
    Dark matter prevents the formation of black holes
    Dark matter is the same as the matter that falls into black holes
    30s

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