Stellar evolution
Quiz by Oak National Academy: GCSE Physics OCR Foundation
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6 questions
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- Q1What is the main type of nuclear reaction that takes place in the core of a star?alpha decaybeta decaynuclear fusionnuclear fission30s
- Q2How long are very large stars main sequence stars for, compared to average-sized stars?for much less time than average-sized starsfor about the same time as average-sized starsfor much longer than average-sized stars30s
- Q3What causes a star to expand into a red giant star?increased temperature throughout the star from hydrogen fusionincreased temperature throughout the star from helium fusionincreased temperature in the core of a star from helium fusionincreased temperature in the core of a star from hydrogen fusion30s
- Q4What type of star forms from the core of a red giant star after its outer layers have been lost?a white dwarf stara white main sequence stara white giant stara white nebula30s
- Q5What happens to the outer layers of a red supergiant star?its gravitational force is big enough to hold onto its outer layersits outer layers escape fairly rapidly into spaceits outer layers escape very slowly into spaceits outer layers are blasted off into space in an explosion30s
- Q6What can form from the core of a red supergiant star after its outer layers have been lost in a supernova explosion?Users sort answers between categoriesSorting30s