Astronomy-Objective Related Question Answers
76. The region in the milkyway where the sun is situated?
Orion Arm
77. The visible part of the Sun’s surface is called?
Photosphere
78. Stream of protons blowing out of the corona and sweeping over the whole solar system is called?
Solar wind
79. Bright spots seen on the surface of the sun is called?
Plages
80. Dark spots seen on the surface of the sun is called?
Sunspot
81. The average temperature of the planets?
decreases with greater distance from the Sun
82. The inner planets in the solar system are?
83. The outer planets in the solar system?
84. The planet nearest to the sun?
Mercury
85. The smallest planet?
Mercury
86. Period of rotation of Mercury?
58 days
87. Revolution period of Mercury?
88 days
88. The most hostile planet is?
Mercury
89. Which two planets in the solar system do not have moons?
Mercury and Venus
90. In what way are the planets Mars, Mercury, and Earth similar?
They have elliptical orbits with the Sun at one focus.
91. The planet nearest to the Earth?
Venus
92. The twin planet of earth?
Venus
93. The most mysterious planet?
Venus
94. The only planet that rotate from east to west?
Venus
95. The slowest rotating planet?
Venus
96. Period of rotation of Venus?
243 days
97. The Revolution period of Venus is?
227 days
98. Which planet is called the Morning star and the Evening star?
Venus
99. Which planet takes more time to complete one rotation on its axis than to complete one revolution around the Sun?
Venus
100. How fast does Venus travel around the Sun?
Venus revolves at a speed of 35 kilometres per second.
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