Multiple choice general knowledge science & technology

To reach another planet, a spacecraft must be aimed:

  1. At the planet

  2. Where the planet will be when the spacecraft reaches it

  3. Midway between the two

  4. At the neighbouring planet
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Due to the orbital motion of planets, a spacecraft must be launched toward the future position of the target planet to intercept it after the travel time.

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