AQA GCSE Physics Space 0.0 / 5 ? PhysicsAstronomyGCSEAQA Created by: gmoran-park-aspirationsCreated on: 10-06-18 19:35 What are stars formed from? Dust and gas from a nebula 1 of 16 After a red (or super) giant, what are the two possible stages in the cycle? White dwarf or supernova 2 of 16 What two stages can follow a supernova? Neutron star or black hole 3 of 16 What reaction occurs in stars? Nuclear 4 of 16 What forces are stable during a star's main sequence? Pressure from expanding hot gases and gravity 5 of 16 What follows the main sequence in the life cycle of smaller stars? Red giant 6 of 16 What follows a white dwarf in the lifecycle of a small star? A black dwarf 7 of 16 What are the final two stages in the life cycle of a large star? Neutron star or black hole 8 of 16 What is a natural satellite? An object which orbits a planet or star and is NOT man-made 9 of 16 What is an artificial satellite? An object which orbits a planet or star and is man-made 10 of 16 What is 'red-shift'? Wavelength of em wave gets longer 11 of 16 How does red-shift support the idea of the big bang? If planets & star are moving away, they must have started somewhere central 12 of 16 What is the Big Bang Thoery? A) An excellent TV show B) The universe was created by a huge explosion at a single point and has been expanding from that point ever since. 13 of 16 What is a geostationary satellite? They have an orbit of 24 hours. They stay in a fixed position over the Earth’s surface 14 of 16 How is the radius of a satellite affected by its speed? The higher the speed, the larger the radius 15 of 16 What is the name of our galaxy? The Milky Way 16 of 16
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