what is a “launch window” and why can’t they just launch rockets a few hours before or after said window?

424 viewsOtherPlanetary Science

I used to love watching shuttle launches, and they would sometimes delay missions a day or two due to weather, even if the rain/snow would be over in a few hours. Why couldn’t they just wait instead of delaying?

In: Planetary Science

15 Answers

Anonymous 0 Comments

Rockets have a very limited amount of fuel which they need to maneuver in space. A launch window to join up with the ISS for instance is a frame of time that they can launch and directly into a good spot to make the join up in with the least amount of fuel and in the most efficient manner possible. Launching outside that launch window would require either too much fuel or take a lot of time to make the join up.

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