Why Has It Been So Difficult to Examine the Surface

question 55

Multiple Choice

Why has it been so difficult to examine the surface of Venus with unmanned probes?

• A) The air pressure at the surface is equivalent to a water depth of nearly 1km on Earth, and temperatures are very high, which tends to destroy the probes.
• B) Solar radiation is so intense that probes are lost before they reach Venus.
• C) The atmosphere is so cloudy that it interferes with radio wave signals from earth, making communication with a probe difficult.
• D) The Venesian magnetic field is so strong it destroys electronics on the probes.

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