The document provides information about various astronomy topics in a question and answer format. It includes questions about galaxy types, star classifications, constellations, properties of stars and the sun, and stages of stellar evolution. The questions cover concepts such as apparent and absolute magnitude, parallax, circumpolar constellations, the solar photosphere and corona, sunspots and solar flares, and the life cycles of stars.

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2. Click here for Final Je

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3

4. Galaxy type
without a definite
shape

5. An irregular
galaxy

6. Classification of
most stars on the
H-R diagram

7. The main
sequence

8. Patterns of stars
in the night sky

9. constellations

10. There are
___modern
constellations?

11. 88

12. Also called the
north star

13. Polaris

14. The measure of the
amount of light
received on Earth

15. Apparent
magnitude

16. The hottest stars in
space are this color

17. Blue or white

18. The distances to
nearby stars can be
measured by using
this

19. parallax

20. The coolest stars
are this color

21. red

22. These constellations
circle the north star
and are visible all
year long

23. Circumpolar
constellations

24. Name a
circumpolar
constellation

25. Ursa minor, ursa
major, cassiopeia,
Draco, cephus

26. The measure of the
amount of light a
star gives off

27. Absolute
magnitude

28. The distance of a
light year

29. 300,000 km/s

30. The nearest star to
Earth other than
the Sun

31. Proxima Centauri

32. The layer of the
Sun from which
light is given off

33. photosphere

34. The largest layer of
the Sun’s
atmosphere

35. corona

36. Sunspots are ___

37. Areas on Sun that
appear dark because
they are cooler than
surrounding areas

38. Sunspot
maximums occur
every ___ years

39. 10-11 years

40. Gases near a sunspot
that brighten
suddenly, shooting
out at high speed

41. Solar flares

42. These occur when large
amounts of electrically
charged gas are ejected
suddenly from the
corona

43. CME’s (Coronal
Mass Ejections)

44. About 90% of
stars are this
classification

45. Main sequence

46. The Sun produces
energy by forming
___ in its core.

47. helium

48. What has to
happen in order
for fusion to begin?

49. Very high
temperatures (10
million K)

50. Largest known
galaxy is this type

51. elliptical

52. When does helium
begin to form into
carbon in a giant’s
core?

53. When
temperatures
reach 100 million
K

54. A star begins as a
_____

55. nebula

56. When does a star
lose its main
sequence status?

57. When hydrogen is
used up in the
core

58. Where are we
located in the
Milky Way
galaxy?

59. In one of the spiral
arms

60. CME’s affect the Earth
These ways

61. Damage satellites,
interfere with
radio and power
equipment, cause
auroras

62. Describe how a
supernova forms

63. Iron forms in core of
supergiant, cannot
release energy, core
collapses violently,
outer portion explodes

64. Make your wager

65. The life cycle of a
high mass star

66. Nebula, supergiant,
supernova, neutron
star or black hole