Questions and Answers
What is the radiative zone?
What is the convective zone?
The sun rotates on its axis like other solid bodies.
False
How does the sun rotate compared to the Earth?
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Near the equator, the sun rotates once in about ______ days.
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At the poles, the sun rotates once in about ______ days.
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What is differential rotation?
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The sun's core and radiative zone rotate together at the same speed as Earth's rotation.
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Study Notes
Radiative Zone
- Energy is transferred from the sun's core to the outer layers via radiation in the radiative zone.
- This layer is crucial for energy movement before reaching the convective zone.
Convective Zone
- The convective zone allows energy to travel through convection from the radiative zone to the photosphere.
- This layer is characterized by convective currents that rise and fall, carrying energy.
Sun's Rotation
- The sun rotates on its axis, similar to other celestial bodies.
- Unlike solid objects, the sun, being a massive gas ball, exhibits non-uniform rotation.
Differential Rotation
- Different parts of the sun rotate at varying speeds; this phenomenon is known as differential rotation.
- At the equator, the rotation period is about 25 days, while at the poles it takes approximately 35 days.
Internal vs. Surface Rotation
- The sun's interior (core and radiative zone) rotates at a consistent speed, akin to solid bodies like Earth.
- There is a distinct difference between the rotation rates of the sun's interior and exterior surfaces.
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Description
This quiz focuses on the layers of the sun, including the radiative and convective zones, as well as an introduction to the sun's rotation. It provides essential definitions and processes associated with solar energy transfer. Perfect for students studying solar physics or astronomy.