Planet Merqurius

How does Mercury's size compare to Earth's Moon?

• Mercury is significantly larger than Earth's Moon.

• Mercury is slightly larger than Earth's Moon.

• Mercury is slightly smaller than Earth's Moon.

• Mercury is significantly smaller than Earth's Moon.

What are the approximate maximum daytime and minimum nighttime temperatures on Mercury?

• Day: 100°C, Night: -50°C

• Day: 250°C, Night: -100°C

• Day: 430°C, Night: -180°C

• Day: 600°C, Night: -250°C

What is the primary reason for the extreme temperature fluctuations and lack of protection on Mercury?

• Its rapid rotation speed.

• Its distance from the Sun.

• The absence of a substantial atmosphere.

• Its strong magnetic field.

How long is one day on Mercury compared to Earth days, and how long is one year on Mercury compared to Earth days?

• One day = 88 Earth days; One year = 176 Earth days.

• One day = 176 Earth days; One year = 88 Earth days.

• One day = 24 Earth hours; One year = 365 Earth days.

• One day = 30 Earth days; One year = 60 Earth days.

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What is a surprising characteristic of Mercury's interior, given its small size?

• A solid, inactive core.

• A liquid metal core with an active magnetic field.

• A core composed primarily of rock.

• A completely frozen core.

Where can ice be found on Mercury, despite its extreme temperatures?

• Only on its sun-facing side.

• Scattered across its entire surface.

• In permanently shadowed craters at its poles.

• Beneath its molten core.

What is a major technological challenge when sending a mission to Mercury?

• The extreme cold requires advanced heating systems.

• The planet's rapid rotation makes landing difficult.

• The Sun's strong gravity requires powerful braking to enter orbit.

• The thick atmosphere causes excessive drag.

Which of the following characteristics contributes to Mercury being described as a "dead planet"?

• Presence of a thick atmosphere.

• Abundant liquid water on its surface.

• Lack of a protective magnetic field and stable warmth.

• Active geological processes and seasons.