Spacecraft Measurements near Venus Indicate That the Planet Has

question 42

Multiple Choice

Spacecraft measurements near Venus indicate that the planet has:

• A) a very powerful magnetic field, much stronger than that of Earth.
• B) a magnetic field that varies in concert with the 11-year solar activity cycle and is linked to it via the solar wind.
• C) no planetwide magnetic field.
• D) a variable planetwide magnetic field like Earth.

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Definitions:

Columnar Joints

Natural rock formations that occur as vertical, hexagonal columns, typically found in basaltic lava flows.

Internal Strain

The deformation or stress within a material (such as rock or soil) due to external forces or changes in conditions like temperature or pressure.

Displacement

The movement of something from its place or position, often used in the context of geological features or populations.

Rotation

The spinning movement of a planet or celestial body on its axis, resulting in the cyclical progression of days and nights.