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Questions and Answers
What is the approximate distance from Mercury to the Sun?
What is the approximate distance from Mercury to the Sun?
- 58,200,000 km
- 56,700,000 km
- 57,900,000 km (correct)
- 57,500,000 km
How long does a single day on Mercury last in Earth days?
How long does a single day on Mercury last in Earth days?
- 360 Earth days
- 59 Earth days (correct)
- 88 Earth days
- 24 Earth days
What is the average temperature on the lit side of Mercury?
What is the average temperature on the lit side of Mercury?
- 100°C
- 500°C
- 350°C (correct)
- 200°C
Why does Mercury have a very small atmosphere?
Why does Mercury have a very small atmosphere?
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If a person weighs 70 pounds on Earth, how much would they weigh on Mercury?
If a person weighs 70 pounds on Earth, how much would they weigh on Mercury?
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Study Notes
Mercury Overview
- Closest planet to the Sun, located 57,900,000 km away.
- Experiences extreme temperatures due to its proximity to the Sun and slow rotation.
Temperature Extremes
- Average temperature on the lit side reaches 350°C (660°F).
- Day duration on Mercury is 59 Earth days, while a year lasts 88 Earth days.
- Nighttime temperatures drop significantly, leading to extreme cold.
Atmosphere and Gravity
- Mercury has a very thin atmosphere, largely eroded by solar winds.
- Nearly devoid of air, making survival without protection impossible.
- Smaller size results in weaker gravity; a person weighing 70 pounds on Earth would weigh about 27 pounds on Mercury.
Moons
- Mercury has no natural satellites (moons).
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