Download mid term exam crossword

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ACROSS
2. C stands for ____ __ ____, in the formula
e=mc2
5. the name of our galaxy
10. on the H-R diagram, the hotter the star the
____ it is
11. all the planets' orbits look very _____
12. first day of spring and fall
15. of visible light, ___ ___ has the longest
wavelength
18. greek word meaning- to wander, orbits
the sun
20. may have eroded the Martian surface
22. cooler red stars can be more luminous
than blue-white stars if they are ___
28. ___ light has the shortest wavelength of
visible light
29. order of the planets
31. earth-like
32. focal distance is the distance between an
ellipse's ___
33. the sun's most direct rays hit the Tropic of
___ on the first day of winter
34. 1:300 is an example of this type of scale
36. gamma rays have the ___ energy on the
EMS
38. hazy cloud which surrounds the nucleus
of a comet
40. uranus has a ___ of nearly 90°, may have
been caused by miranda running into it
41. during the winter and spring the daylight
hours ____
42. fall begins in ___
44. unlike the sun, most stars are parts of
systems in which two or more stars ___
around each other
45. almost every object in space revolves ___
47. Venus is the ____ brightest object in
earth's sky
48. when contour lines form circles or ovals
and have small lines jutting inward
50. a star's life begins in a cloud of gas and
dust called a ____
54. when contour lines are far ____ , the land
is relatively flat
55. collected 20 years of data about planet
movements
56. the portion of a spectroscope that makes
the light refract
57. the earth's orbital speed is ___ as the
earth gets further from the sun
60. the "red" planet
62. outer planet with a retrograde rotation,
does not effect sunrise or sunset
64. this planet's year is the shortest , inner
planet with the greatest temperature range
66. planet that would float on water
67. Neputne's most noted feature
73. continuous circulation of water through
the hydrosphere
74. the earth is ____ to the sun on the first
day of winter
75. blue stars are ___ than red stars
77. spin on its axis
82. red stars are ____
83. non-Jovian outer planet
84. radio waves have ___ energy on the EMS
89. there are ___ center points on an ellipse
90. iron has ____ to create the red tint on the
martian surfacer
92. radio waves have the longest ____ of the
EMS
95. proportion that a map bears to the real
thing
96. ___ days, the length of Mercury's day
97. the ___ is at one of the center points of
earth's orbit
100. orbits a planet
101. jupiter's moon with active volcanoes
103. when contour lines cross a stream they
form a "V" pointing ___
104. "dirty snowballs"
105. 90% of the universe that we can see, a
nebula is primarily
107. what the sun will become
110. the shape of every orbit
116. explained the forces involved with an
orbiting object
117. path of a revolving object, Pluto's _____
is the most elliptical and is tilted
compared to the rest
120. most of Venus' atmosphere
122. the inner planets have ___ moons
123. rocks, mountains, beaches, and all the
physical features on earth
124. the lower the magnitude the ___ the star
is
128. when contour lines form circles or ovals,
it indicates _____
129. stars or constellations that can only be
seen during parts of the year
130. most commonly believed theory for the
start of the universe
132. phenomenon which makes sounds that
are approaching have a higher pitch than
if they are going away
135. venus is the ____ planet
137. number of objects the greeks considered
planets
138. the inner planets are ___ compared to the
outer planets
139. 0° longitude
147. longer wavelengths are refracted ___
than shorter wavelengths
148. every ____ has its own unique spectral
signature
149. hydrogen plus hydrogen yeilds ____ and
a small amount of stuff
150. largest planet
151. winter is the ___ season
152. summer is the ___ season
153. huge amounts of ____ are created during
fusion
154. there are ___ hours of daylight at the
south pole on the first day of winter
DOWN
1. the first letters of visible light
2. when the contour lines are close together
the land is ____
3. saturn is less ___ than water, meaning it
would float on water
4. atmospheric pressure on venus is ___
times that of earth
6. one of earth's revolution takes a _____
7. diagram that plots magnitude of stars
against their surface temperatures
8. mercury is heavily ___, making look like
our moon
9. astronomer's tool, prism on the end of a
telescope
13. other than our sun, the next closest star is
approximately 4.3 ___ away at the speed
of light
14. have the shortest wavelengths on the
EMS
16. a measure of how uncirclular an ellipse is
17. there are ___ hours of daylight
everywhere on earth on the equinox
19. the average distance from earth to the sun
21. travel around another object
23. shaking of the earth's crust caused by a
release of energy
24. venus has a ___ rotation, meaning that it
goes in a clockwise direction
25. force that burns up meteoroids
26. when light is bent it is ____
27. shared his idea of a heliocentric model on
his death bed
30. the two farthest stars in the big dipper's
handle
35. nuclear reaction that takes place in a star
37. pluto's orbit is the most ____ orbit
39. number of inner planets
43. have the longest wavelengths on the EMS
45. difference in elevation between 2
consecutive contour lines
46. lines that run east and west and measure
distances north and south of the equator
49. the light you see from a star is from the
____
51. Jovian planets have a surface made of
52. jupiter's moon that may have an ocean
under an ice surfacet
53. meteoroids that reach the earth's
atmosphere
55. has a gravitational force so strong that
light can not escape
58. saturn has over 1,000 ___
59. the inner planets are composed of ___
61. located between mars and jupiter
63. the sun is a ____, a ___ forms when
fusion starts in a nebula
65. the sun's color is ____
66. steepness of the landscape
68. movement that is actually occuring
69. gases that surround the earth, reason that
the Earth has relatively few impact
craters, Mercury has a trace one
70. one of earth's rotation creates a ____
71. ___ light has the longest wavelength of
visible light, the coolest stars
72. caused when earth crosses a comets path
73. 270°
76. an ellipse with an eccentricity
approaching ___ has a very flat shape
78. hottest stars
79. a representation of an object, process, or a
phenomenon
80. the ___ an object, the greater its apparent
motion can be
81. living things on earth
85. in the 1930's edwin hubble observed that
___ the galaxies were red shifted
86. contains all the water on earth
87. a star's ___ is based on its surface
temperature
88. number of outer planets, the sun is
thought to be ___ billion years old
91. number of hours of sun the north pole
gets on the winter solstice
93. planet closest to earth
94. the sun is at the ____ of its life cycle
98. force needed to orbit, distance and mass
are the 2 variables that effect it
99. pluto's "moon"
102. spring begins in ___
106. a group of stars that may orbit a black
hole, billions of stars orbiting a center
point
108. may account for 90% of the universe's
mass
109. the earth is ____ from the sun on the first
day of summer
110. the white dwarf stage is at the ___ of a
stars life cycle
111. shows a large amount of detail
112. the first day of summer and winter
113. number of moons mercury has
114. speed of light, 186,000 ____ per second
115. is created when a star is moving away
from earth
118. a super giant star in orion
119. part of a comet that can be 100,000,000
miles long
121. number of planets in our solar system
125. directly overhead
126. unlike sound waves, electromagnetic
waves can travel through empty ___
127. the second full moon in one month
131. noticed 7 objects moving differently than
the rest of the stars, originated geocentic
model, greek who is attributed with the
earth centered universe
132. winter begins in ___
133. difference in elevation from the lowest to
highest points
134. the orbital speed is ___ as the earth
nears the sun, the stars on the outside
edge of a galaxy travel ___ than the stars
closer to the center of the galaxy
136. the number of stars in a galaxy
139. the north star
140. Mars' ___ may be made of carbon
dioxide and water
141. constellations are groups of stars that
form a pattern as viewed from ____
142. the sun's most direct rays hit the ___ on
the equinox
143. rocky crusted planets, the first 4 planets
144. earth's orbital speed ___ constant
145. planet that has the great dark spot
146. during the summer and fall the daylight
hours ___
147. an earth day is ____ than an earth's
rotation