9
QuizMultiple Choice

Traveling Into Space

Question 9 • LVA-Earth and Space Science - FALL

The velocity a rocket must reach to establish an orbit around Earth is called

Answer
A
thrust velocity.
B
orbital velocity.
C
artificial velocity.
D
escape velocity.

Explanation

The speed a rocket needs to stay in orbit around Earth is called orbital velocity. It is the speed that lets the rocket continually fall around Earth rather than back to the surface. Escape velocity is different: it is the speed needed to break free of Earth’s gravity.

AI-written and checked against the verified answer.

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