
Unit 1 - Astronomy Test

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1.
FLASHCARD QUESTION
Front
Which of the following characteristics distinguishes jovian planets (gas giants) from terrestrial planets? A. They have solid surfaces, B. They are smaller in size, C. They have thicker atmospheres composed primarily of hydrogen and helium, D. They are located closer to the Sun
Back
They have thicker atmospheres composed primarily of hydrogen and helium.
2.
FLASHCARD QUESTION
Front
Why is the nebular hypothesis important in understanding the formation of our solar system?
Back
It provides a framework for understanding the formation of planets and the Sun.
3.
FLASHCARD QUESTION
Front
Arrange the following steps in the correct sequence according to the nebular theory of solar system formation: I. Formation of a protostar from gravitational collapse. II. Condensation of solid particles in the protoplanetary disk. III. Formation of planetesimals through accretion. IV. Formation of a protoplanetary disk from a rotating nebula.
Back
I, IV, II, III
4.
FLASHCARD QUESTION
Front
Which of the following groups correctly classifies the planets in the solar system according to their size and location? A. Terrestrial planets: Mercury, Venus, Earth, Mars; Jovian planets: Jupiter, Saturn, Uranus, Neptune B. Terrestrial planets: Jupiter, Saturn, Uranus, Neptune; Jovian planets: Mercury, Venus, Earth, Mars C. Terrestrial planets: Jupiter, Saturn, Uranus, Neptune; Jovian planets: Mercury, Venus, Earth, Mars D. Terrestrial planets: Mercury, Venus, Earth, Mars; Jovian planets: Uranus, Neptune, Jupiter, Saturn
Back
Terrestrial planets: Mercury, Venus, Earth, Mars; Jovian planets: Jupiter, Saturn, Uranus, Neptune
5.
FLASHCARD QUESTION
Front
What role does gravity primarily play in the formation of astronomical objects such as stars and planets?
Back
It causes the collapse of gas and dust clouds.
6.
FLASHCARD QUESTION
Front
Compared to the distance between Earth and Mars, the distance between Jupiter and Saturn is ______.
Back
much larger
7.
FLASHCARD QUESTION
Front
Which natural phenomenon occurs as a result of Earth rotating on its axis?
Back
Day and night
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