Stars and galaxies

1. Stars and Galaxies
C71 to C96

2. Question
• What is a number of stars that appear to form
a pattern called?

3. Answer
• Constellation

4. Question
• What described the brightness of a star?
• Or the size of an earthquake?

5. Answer
• Magnitude

6. Question
• How long can light travel in a year?

7. Answer
• 9 trillion kilometers in a year

8. Question
• A star begins a an enormous amount of gas
called ?

9. Answer
• Nebula

10. Question
• Main sequence stars are also known as?

11. Answer
• Protostar

12. Question
• As hydrogen is used up, the core begins to
expand and this allow the star to
become______________

13. Answer
• Giant or Super giant

14. Question
• When a star which becomes 10 times larger
than the sun explodes, it creates a
_______________?

15. Answer
• A supernova

16. Question
• Once the supernova has exploded, then it can
become one of two things, what are they?

17. Answer
• A black hole
• Neutron star

18. Question
• The outer most part of the sun is called?

19. Answer
• Corona

20. Question
• The second layer of the sun is called?

21. Answer
• Chromosphere

22. Question
• There are 3 types of galaxies, name one

23. Answer
• Spiral
• Elliptical
• Irregular

24. Question
• The name of our galaxy is?

25. Answer
• Milky way

26. Question
• Our galaxy is expanding? True or False

27. Answer
• Yes

28. Question
• What are an extremely bright, extremely
distant high energy source?

29. Answer
• Quasars

30. Question
• According to the big bang theory, where did
all the matter and energy go after the big
bang?

31. Answer
• Background radiation