Solar system, Stability of Orbital Motions & Satellites (AQA GCSE Physics): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the clouds of dust and gas from which stars form called?
What are the clouds of dust and gas from which stars form called?
Nebulae
What causes dust and gas particles to draw closer together in a nebula?
What causes dust and gas particles to draw closer together in a nebula?
Gravitational attraction
What happens as particles in a nebula get closer together?
What happens as particles in a nebula get closer together?
Temperature and pressure increase
What do hydrogen nuclei fuse to form during nuclear fusion in a star?
What do hydrogen nuclei fuse to form during nuclear fusion in a star?
Helium nuclei
What does nuclear fusion release that counteracts gravitational collapse?
What does nuclear fusion release that counteracts gravitational collapse?
Energy
What forms when equilibrium is first reached in a forming star?
What forms when equilibrium is first reached in a forming star?
A protostar
How long can a main sequence star remain in its stable state?
How long can a main sequence star remain in its stable state?
Billions of years
What happens when a star exhausts its hydrogen fuel?
What happens when a star exhausts its hydrogen fuel?
It becomes unstable and collapses
What is a supernova?
What is a supernova?
A massive explosion expelling outer layers
What may form from the core remaining after a supernova?
What may form from the core remaining after a supernova?
A neutron star or black hole
What is a planetary nebula?
What is a planetary nebula?
A shell of gas surrounding the core
What is a white dwarf?
What is a white dwarf?
A small, dense, slowly cooling remnant