15 Questions
What is the term for a spinning neutron star?
Pulsar
Which object has a gravity so strong that not even light can escape?
Black Hole
What is the possible outcome of the collapse of a massive star?
Black Hole
What is the term for the process by which a star's gravity collapses in on itself?
Gravitational Collapse
What type of star is known to emit electromagnetic radiation?
Pulsar
What is the final stage of a star's life cycle?
Black Dwarf
What happens when a supergiant runs out of fuel?
It explodes suddenly
What is the stage of a white dwarf that has stopped glowing?
Black Dwarf
Which of the following is not a stage in a star's life cycle?
Black Hole
What is the ultimate fate of a massive star that runs out of fuel?
It becomes a black hole
What is the term used to describe the sudden and catastrophic explosion of a star at the end of its life?
Supernova
What is the resulting state of a star after it undergoes a supernova explosion?
Neutron Star
What is the characteristic of a star that is likely to end its life in a supernova explosion?
High mass
What is the remnant of a star that remains after a supernova explosion?
Some of the original material
What is the stage of a star's life cycle that precedes a supernova explosion?
Supergiant
Study Notes
Neutron Stars and Pulsars
- Neutron stars can form from leftover material after a star's collapse
- Spinning neutron stars are called pulsars, emitting pulsating radio signals
Black Holes
- Characterized by extremely strong gravity, trapping everything, including light
- Formed when a white dwarf stops glowing after billions of years, becoming a black dwarf
Supernovae
- Occur when a supergiant star runs out of fuel, leading to a sudden and immense explosion
- The explosion, called a supernova, makes the star shine millions of times brighter within hours
- After the explosion, some of the star's material is left behind
Learn about the incredible properties of neutron stars and black holes, including their formation and characteristics.
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