1) What theory did the existence of black holes come from? a) Theory of gravitation b) Theory of general relativity c) Atomic theory d) Special relativity theory 2)  How many moons Mars has? a) 1 b) 2 c) 3 d) 4 3) What is the approximate age of the Earth? a) 10 billion years old b) 15 billion years old c) 45 billion years old d) 50 billion years old 4) What is the difference between the rotation movement of Venus and of the other planets? a) Venus rotates from east to west b) Vênus rotates from north to south c) Vênus rotates from west to east d) Venus rotates from south to north 5) How long does Jupiter's orbit take? a) Approximately 8 years b) Approximately 10 years c) Approximately 12 years d) Approximately 14 years 6) which one is hotter? the solar atmosphere or the sun surface? a) The solar atmosphere b) The sun surface 7) What is the farthest planet from the sun in the solar system? a) Jupiter b) Mercury c) Neptune d) Uranus 8) tell me the name of only a gaseous planet in our solar system a) Jupiter b) Mercury c) Venus d) Pluto

Astronomy

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