1. Chapter 25 Earth Science Stars and Galaxies

3. Words to Know – Section 1 Stars constellation constellation absolute magnitude absolute magnitude apparent magnitude apparent magnitude light-year light-year

4. system of nine planets, including Earth, and other objects that revolve around the Sun constellation constellation

5. system of nine planets, including Earth, and other objects that revolve around the Sun absolute magnitude absolute magnitude

6. system of nine planets, including Earth, and other objects that revolve around the Sun apparent magnitude apparent magnitude

7. system of nine planets, including Earth, and other objects that revolve around the Sun light-year light-year

8. Words to Know – Section 2 The Sun photosphere photosphere chromosphere chromosphere corona corona sunspot sunspot

9. Smallest planet, closest to the Sun; does not have a true atmosphere; has a surface with many craters and high cliffs photosphere photosphere

10. Smallest planet, closest to the Sun; does not have a true atmosphere; has a surface with many craters and high cliffs chromosphere chromosphere

11. Smallest planet, closest to the Sun; does not have a true atmosphere; has a surface with many craters and high cliffs Corona Corona

12. Smallest planet, closest to the Sun; does not have a true atmosphere; has a surface with many craters and high cliffs sunspot sunspot

13. Words to Know – Section 3 Evolution of Stars nebula nebula giant giant white dwarf white dwarf supergiant supergiant neutron star neutron star black hole black hole

14. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium nebula nebula

15. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium giant giant

16. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium white dwarf white dwarf

17. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium supergiant supergiant

18. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium neutron star neutron star

19. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium black hole black hole

20. Words to Know – Section 3 Galaxies and the Universe galaxy galaxy big bang theory big bang theory

21. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium galaxy galaxy

22. largest and fifth planet from the Sun; contains more mass than all the other planets combined, has continuous storms of high pressure-gas, and an atmosphere mostly of hydrogen and helium big bang theory big bang theory