GCSE Astronomy Module Four Unit - Galaxies Module 4 Unit 3 Study booklet 10 Galaxies This unit comprises pages 70 - 79 Page 70 GCSE Astronomy Module Four Unit - Galaxies Refer to webpages 2 - 4 Define the term galaxy? State the name of the galaxy that contains the Earth and its Solar System? List the names of the two nearest galaxies to our own Galaxy. State the type of Galaxy that contains the Earth and its Solar System. In the space below, draw, name and describe the Galaxy that contains the Earth and its Solar System. Include the position of our Sun. Page 71 GCSE Astronomy Module Four Unit - Galaxies Describe the appearance of the Milky Way galaxy as seen with the naked eye and as seen through a small telescope or binoculars. State the three types of Galaxy as classified by Hubble. (the rest of this page is blank - please turn over) Page 72 GCSE Astronomy Module Four Unit - Galaxies Using the tuning fork diagram, describe and draw the three types of galaxy. Page 73 GCSE Astronomy Module Four Define a cluster of galaxies Define the Local Group of galaxies Define the term nebula List the three types of nebulae Page 74 Unit - Galaxies GCSE Astronomy Module Four Unit - Galaxies Describe (and be able to remember the appearance of) the three types of nebula. Page 75 GCSE Astronomy Module Four Define the term: star cluster Describe two types of star cluster Describe: quasers Page 76 Unit - Galaxies GCSE Astronomy Module Four Describe: cosmic background radiation Describe: expanding radiation Describe: dark matter Page 77 Unit - Galaxies GCSE Astronomy Module Four Describe and draw the Doppler principle Page 78 Unit - Galaxies GCSE Astronomy Module Four Unit - Galaxies Describe current Big Bang theory, giving one reason which supports it and one that argues against it. Page 79