Mercury

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the length of a day on Mercury in terms of its orbital period?
Back
A day on Mercury (one rotation on its axis) takes about 2/3 of its orbital period (one Mercury year).
2.
FLASHCARD QUESTION
Front
What is the diameter of Mercury compared to Earth?
Back
Mercury is about one third the diameter of Earth, measuring approximately 4900 kilometers.
3.
FLASHCARD QUESTION
Front
What type of orbit does Mercury have compared to other planets?
Back
Mercury has the most elliptical orbit of all the planets in the solar system.
4.
FLASHCARD QUESTION
Front
Who was Mercury named after in Roman mythology?
Back
Mercury was named after the Roman messenger god.
5.
FLASHCARD QUESTION
Front
How long does it take for the Sun to complete one full cycle in the sky as seen from Mercury?
Back
It takes two Mercury years for the Sun to go around the sky once as seen from the surface of Mercury.
6.
FLASHCARD QUESTION
Front
What is the significance of Mercury's low density?
Back
Mercury has the lowest density among the terrestrial planets, indicating a composition that includes a large metallic core.
7.
FLASHCARD QUESTION
Front
How does Mercury's size compare to other terrestrial planets?
Back
Mercury is the smallest terrestrial planet in the solar system.
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