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Properties of Stars. _________________________ Key Question. What makes a star a star? My First Answer. Explain what you know or think you know about the answer to the Key Question before reading any of the I.Files. ________________________________________________________________________________________ My Key Words and Definitions.
Life cycles of massive stars Stars with considerably more mass than the Sun are hotter and brighter. They fuse hydrogen into helium faster, and then become red supergiants. At the end of the red supergiant period the star rapidly collapses and then explodes in a supernova. The outer layers of the supergiant are cast o˜ and expand outwards.
the outer layers of the star are blown away and the core collapses under the heavy force of gravity. The space in atoms disappears as protons and electrons combine to form neutrons. A neutron star is a dense core of neutrons that remains after a supernova. Neutron stars are only about 20 km wide. Their
Question Sheet. Just like living things and humans, stars have a life cycle, which consists of birth, growth, development, middle age, old age, and death. The life cycle of a star spans over billions of years. Section One - Sequencing. The stages below are not in the right order. Number the stages in the correct order.
Beyond the convection zone are the three outer layers of a star. These layers make up a star’s atmosphere. The photosphere is the apparent surface of a star. In the Sun, it is the dense, bright part you can see, where light energy radiates into space. From Earth, the Sun’s photosphere looks smooth. But like the rest of the Sun, it is made ...
See a sample solution. Textbook solutions for Universe: Stars And Galaxies 6th Edition Roger Freedman and others in this series. View step-by-step homework solutions for your homework. Ask our subject experts for help answering any of your homework questions!
6 wrz 2020 · This unit, Sun, Moon, and Stars, has been informed by the following Grade 1 Performance Expectations for the NGSS topic Earth’s Place in the Universe. 1-ESS1-1 Use observations of the sun, moon, and stars to describe patterns that can be predicted. 1-ESS1-2 Make observations at different times of year to relate the amount of
