EAAA Level I Test
revised 1/01/02

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This test is an open book test, utilizing the 2001 edition of R. Mayall, M. Mayall, & Wyckoff's Golden Nature Pocket Book, the Sky Observer's Guide. The number in parenthesis is the page number on which you will find the answer to the test question.

01. (07) Which of these is not visible in binoculars?

A. lunar craters B. Saturn's rings C. Jupiter's four largest moons D. the Orion Nebula, M-42

02. (08) We call the passage of the Moon's disk in front of a star...

A. an eclipse B. a transit C. an occultation D. a stellar warp

03. (10) The map for the polar sky can be found on page....

A. 73... B. 148... C. 152... D. 168

04. (12) Which statement about 7 X 50 binoculars is false?

A. the objective is a lens B. they magnify objects 50 times C. they give erect images 
. they are easily hand-held

05. (14) Which statement about astronomical refractors is false?

A. The objective is a lens. B. easier to maintain than reflectors C. cheaper than similar sized reflectors 
. give erect images

06. (14) Based on the magnitude table, what size objective will show 14th magnitude Pluto?

A. 60 mm... B. 100 mm... C. 200 mm... D. 300 mm (note: 1" = 25 mm)

07. (15) A 100 mm newtonian reflector has a focal length of 1000 mm. Since the speed (or f/ratio) of the 
objective is found by dividing the objective diameter by the focal length, this mirror is figured at...

A. f/4... B. f/6... C. f/10... D. f/15

08. (17) Under the best seeing conditions, one might get 50 X per inch of aperture--about 2 X per millimeter. 
For the 'scope in question # 7 above, what eyepiece would yield the maximum usable 200 X?

A. 4 mm... B. 5 mm... C. 8 mm... D. 12.5 mm

09. (17) To resolve the Dawes Limit, how close a double star could the 'scope in # 7 resolve?

A. 4"... B. 2"... C. 1.5"... D. 0.7"

10. (18) If the seeing is good, which view of the crater Archimedes is with the larger 'scope?

A. top B. bottom

11. (21) How high is Polaris in the sky for West Florida viewers? 
      What is our latitude?  Obtain from other sources.

A. 23.5 degrees B. 30 degrees C. 45 degrees D. it varies with the time of night

12. (22) Where, on Earth, are all of the stars in the sky visible at some time during the year?

A. everywhere B. only at the poles C. only at the equator D. nowhere

13. (25) According to the diagram, at the time shown, which constellation lies behind the sun?

A. Cancer B. Taurus C. Scorpius D. Orion

14. (25) In # 13, which constellation is just rising at sunset?

A. Cancer B. Taurus C. Scorpius D. Orion

15 (25) If the sun enters Aries on April 20, about what month is it in question # 13?

A. March B. May C. July D. September

16. (26) Which statement about stellar magnitudes is false?

A. Very bright objects, like the sun, moon and Venus, have negative magnitudes.

B. A second magnitude star is 2.5 X brighter than a first magnitude star.

C. Polaris is a second magnitude star.

D. Planetary brightness may vary, according to the planet's distance from us 
(Earth-based observation).

17. (30) The atmospherically determined image steadiness which limits the resolution of larger 
'scopes is called....

A. transparency B. seeing C. limiting magnitude D. resolvability

18. (30) As planets and the sun and moon show notable disks, but distant stars do not, twinkling 
is most notable for...

A. planets rising B. stars rising C. stars overhead

19. (33) With a 6-inch, f/8 reflector and a 30 mm eyepiece, the field of view is about...

A. 15 degrees B. 7 degrees C. 1 degree D. 15 arc minutes

20. (33) Our rotation causes a star above the equator to take how long to drift a degree downward?

A. one minute B. 4 minutes C. 15 minutes D. one hour

21. (21/35-36) For NW Florida, an equatorial mount's polar axis should be set to what altitude/azimuth?

A. 0 degrees B. 30 degrees C. 45 degrees D. one hour

22. (37) What are the disadvantages of the 'scope shown here?

A. alt-azimuth mount B. lacks a star diagonal C. lacks a finder 'scope D. both A and C

23. (38) Which statement about eyepieces is false?

A. Terrestrial (erect image) eyepieces lose more light than other types.

B. Long focal length (lower power) eyepieces are easier to use for beginners.

C. The longer the focal length, the smaller the field of view.

D. The better the seeing, the more likely you are to use shorter focal length eyepieces.

24. (46) The seventh brightest star in Cygnus would be called...

A. Deneb B. 7 Cygni C. eta Cygni D. G Cygni

25. (48) Since the diagram is for latitude 40 degrees North, and we are 10 degrees farther 
South, what is the maximum southern declination we can see?

A. - 30 degrees B. - 40 degrees C. - 50 degrees D. - 60 degrees

26. (50, 155) If you set your 'scope on epsilon Scorpii, then with a properly aligned equatorial 
mount you sighted 2 degrees N and 1 hour E, you would find....

A. Antares B. M-13 C. M-6 D. M-27

27. (55) If the moon rose at noon yesterday, then today it will rise....

A. the same time B. 11 AM C. 1 PM D. 11 PM

28. (58) On a 2-3 day old moon, the large circular mare on the northwest on the northwest limb 
is called...

A. Mare Navium B. Mare Crisium C. Mare Tranquilitatis D. Mare Orientale

29. (58-60) About how many days after new moon until the sun rises above Archimedes?

A. 3 days B. 5 days C. 7 days D. 11 days

30. (63) How many total lunar eclipses, not all visible here, were seen in 1995?

A. none B. one C. two D. three

31 (69) Due to the sun's rotation, a large sunspot group appears to cross the sun's disk in ...

A. one day B. two days C. a week D. two weeks

32. (69) If sunspot maximum occurred in 1991, the next maximum should be in...

A. 1996 B. 1999 C. 2002 D. 2010

33. (71) Europeans would be most likely to see a total solar eclipse in the year....

A. 1997 B. 1999 C. 2001 D. 2006

34. (71-73) Which of these will you not be able to witness during totality?

A. corona B. prominences C. crescent moon D. Venus

35. (74) You can see a rainbow in the morning...

A. overhead B. in the east C. in the west

36. (75) Which statement about auroras is false?

A. has been seen in West Florida B. seen most often near the poles C. only appear in the 
northern hemisphere

37. (77) The faint, hazy cone of light best seen along the ecliptic on spring evenings is called...

A. aurora B. gegenschein C. zodiacal light D. moon bow

38. (81) Which of these planets can never reach opposition?

A. Mercury B. Pluto C. Mars

39. (82) Which planet in question # 38 may appear as a crescent as you view it through 
a telescope?

A. Mercury B. Pluto C. Mars

40. (83) When is a planet to the left of the sun visible here?

A. morning B. evening

41. (83) The schedule shows that Mercury transits the sun on...

A. May 30, 1984 B. November 6, 1993 C. December 30, 1994

42. (83) A Venus transit will be in...

A. 1999 B. 2001 C. 2004 D. 2010

43. (84) The easiest telescopic changes to follow on Mars involve the ...

A. eruptions of volcanos B. emergence of canals C. seasonal polar caps D. dust storms

44. (87) Which opposition brought Mars closest to Earth?

A. 1984 B. 1988 C. 1993 D. 1997

45. (87-88) How can you tell an asteroid from a star?

A. its tail B. its disk C. its daily motion

46. (88-89) Looking at the Jupiter-satellite diagram, the easiest way to see a transit is to...

A. See the moon in front of Jupiter. B. Note the moon's shadow on Jupiter's clouds.

47. (90) The split between Saturns two brightest rings was first noted by...

A. Huygens B. Galileo C. Cassini D. Halley

48. (90) The easiest Saturnian moon to see is...

A. Iapetus B. Titan C. Io D. Dione

49. (91) How often do Saturn's rings appear edge-on, such as in 1995-6, like our equinoxes?

A. every 3 years B. every 7 years C. every 15 years D. every 29 years

50. (93) Which planet is not visible in 7 X 50 binoculars?

A. Uranus B. Neptune C. Pluto

51. (93) During 1996, Uranus was in...

A. Libra B. Sagittarius C. Capricornus D. Aquarius

52. (96-97) Which famed periodic comet returns in 2061?

A. Encke B. Halley C. Swift-Tuttle

53. (98) Which statement about meteors is false?

A. In space, they are called meteoroids. B. Most are smaller than rice grains. 
. Most reach us intact as meteorites.

54. (100) To detect daytime meteor showers, we use...

A. radio B. binoculars C. infrared photos

55. (101) From what constellation does the meteor shower o August 11-12 radiate?

A. Lyra B. Orion C. Leo D. Perseus

56. (66/102) Since a trillion is 1,000,000,000,000, how much more distant than our sun 
is the next nearest star?

A. 250 X B. 2.500 X C. 250,000 X D. 2.5 million times

57. (104) Which statement about the brightest stars is false?

A. Sirius is the brightest. B. Although closest, alpha Centauri can't be seen without a telescope. 
. Canopus lies about 100 ly (light years) distant. D. Rigel is far more luminous than Sirius.

58. (106) Based on separations alone, which double star is the most difficult to resolve?

A. gamma Andromedae B. alpha Hercules C. Rigel (beta Orionis)

59. (106) The "M" numbers refer to a catalogue of deep sky objects made by....

A. Marius B. Messier C. Marconi D. Miller

60. (107) It is better to observe "M" objects during which lunar phase?

A. new B. crescent C. full

61. (108) Also called "the seven sisters," this famed open cluster in Taurus is...

A. M-13 B. M-45, the Pleiades C. M-11, the Wild Duck D. M-44, the Beehive

62. (110) Name the famous globular cluster in Hercules.

A. M-13 B. M-45, the Pleiades C. M-11, the Wild Duck D. M-44, the Beehive

63. (111) The most famous eclipsing binary star is...

A. our sun B. Mira Ceti C. Algol

64. (111) The long period variable, which ranges from 2nd to 9th magnitude in a cycle of about 
10 months, is...

A. our sun B. Mira Ceti C. Algol
                    65 - 69 (120) Match the constellation with the deep sky object described in it.
                               A. Andromeda B. Lyra C. Orion D. Taurus E. Vulpecula

65. M-31, the only external spiral galaxy visible to the naked eye

66. M-57, the Ring Nebula, a small, bright, and easily found planetary nebula

67. M-1, the Crab Nebula, the remains of the supernova of 1054 AD

68. M-42, the brightest diffuse nebula--a stellar nursery visible to the naked eye

69. M-27, the Dumb-bell Nebula, a large, bright, planetary nebula visible in binoculars


70. (127) To show the earth's rotation with star trails on a photo, you should...

A. Slowly pan the camera tripod horizontally during the exposure.

B. Clamp the camera securely to the tripod and leave the shutter open for 15 minutes or more.

C. Mount the camera on a motor driven equatorial telescope for 15 minutes or more.

71. (127-128) Which method in question # 70 avoids trails and reveals the faintest stars?

A. Slowly pan the camera tripod horizontally during the exposure.

B. Clamp the camera securely to the tripod and leave the shutter open for 15 minutes or more.

C. Mount the camera on a motor driven equatorial telescope for 15 minutes or more.

72. (128-130) To show the very faintest objects, use...

A. short time exposures B. long exposures on slow film C. a fast lens, long exposure, and fast film

                    73 - 76 (135 - 136) Match the time with its definition:
                               A. apparent solar time  B. CST  C. CDT  D. UT  E. sidereal time

73. time as read off a sun dial

74. star time, measured by the RA of the stars crossing our local meridian

75. local standard time in Greenwich, England, longitude 0 degrees

76. lags six hours behind Greenwich time, due to our longitude of 87 degrees West


77. (136) At 8 PM CST of December 31, 1999, the Universal time reads...

A. 1400 UT on January 1, 2000 B. 1400 UT on December 31, 1999 C. 0200 UT on January 1, 2000 D. 0100 UT 
on December 31, 1999

78. (136) At 8 PM CDT, the UT should be...

A. 000 UT B. 0100 UT C. 0200 UT D. 2300 UT

                    79 - 80 (139) Match the eyepiece design with its description
                               A. kellner  B. abbe orthoscopic  C. ramsden  D. barlow  E. erfle

79. achromatic, wide field, moderate cost, popular for low power

80. least expensive, narrow field of view, not achromatic


81. (143-144) Optical alignment is often a greater problem with...

A. refractors B. newtonian reflectors C. binoculars D. cassegrain reflectors

                    82 - 85 (148-149) Match these objects with their descriptions.
                               A. Polaris  B. Deneb  C. Capella  D. Dubhe  E. Jupiter

82. one of the two pointers in the bowl of the Big Dipper

83. star pointed to by (answer of question # 82), showing the least diurnal motion of any bright star

84. brightest star in northern summer constellation, Cygnus, The Swan

85. brightest star in northern winter constellation, Auriga--remember its yellow color

                    86 - 90 (150 - 151) Note the location of these deep sky objects...
                               A. M-31  B. M-42  C. M-38  D. M-33  E. M-35

86. famous diffuse nebula just south of Orion's belt

87. RA 5:20, dec. + 36--a fine open cluster for binoculars

88. a degree NW of eta Geminorium--another fine binocular cluster

89. naked eye galaxy one degree NW of nu Andromedae

90. the Pinwheel Galaxy--a faint binocular object just west of alpha Triangulum

                    91 - 95 (152 - 153) Match these objects with their locations.
                               A. M-44  B. M-3  C. omega Cantauri  D. Spica  E. Regulus

91. brightest star of Leo, often occulted by the moon and planets

92. brightest star of Virgo, just SE of the famed Supercluster of Galaxies

93. compact globular between Arcturus and Cor Caroli, visible in binoculars

94. RA 13:30, dec. - 50, the brightest globular, easily visible naked eye from this latitude

95. Beehive Cluster in Cancer--a soft glow visible with naked eyes under dark skies

                    96 - 100 (154 - 155) Match these summer objects with their descriptions.
                                 A. M-7  B. M-8  C. M-11  D. M-13  E. M-27

96. famous globular between eta and zeta Herculis--well-resolved in a 10" 'scope

97. Lagoon Nebula of Sagittarius, summer's rival for the Orion Nebula

98. naked eye cluster in Scorpio's tail--even better in binoculars

99. compact, bright, open cluster in Scutum, The Flying Duck, visible in binoculars

100. in Vulpecula, The Dumb-bell Nebula--the easiest planetary nebula seen with binoculars

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