UNIVERSE
SOLAR STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mercury
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Venus
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Neptune
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Earth
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Detailed explanation-1: -Neptune-the eighth and most distant major planet orbiting our Sun-is dark, cold and whipped by supersonic winds.
Detailed explanation-2: -Neptune takes 165 years to make one orbit around the Sun and has 13 known satellites. Atmosphere and Weather: Much of what we know about Neptune’s atmosphere is from the Voyager II flyby in 1989.
Detailed explanation-3: -The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Mercury is closest to the Sun. Neptune is the farthest.
Detailed explanation-4: -German astronomer Johann Gottfried Galle (above), along with fellow German astronomer Heinrich Ludwig d’Arrest (below), made the definitive discovery of Neptune, spotting it on the night of Sept. 23, 1846.
Detailed explanation-5: -Mercury has the shortest year (88 Earth days), and Neptune has the longest year (165 Earth years). Planets closer to the Sun have shorter year, because their orbits are smaller. Mercury, the innermost planet in the solar system, completes an orbit in 88 days.