Final answer:
Venus is the hottest planet in space, with an average surface temperature of about 900 degrees Fahrenheit.
Step-by-step explanation:
The hottest planet in space is Venus. Venus has an average surface temperature of about 900 degrees Fahrenheit (475 degrees Celsius), which is hotter than any other planet in our solar system. This extreme heat is caused by Venus' thick atmosphere, which traps heat from the sun and creates a runaway greenhouse effect.
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