Launch windows open when planets and pads align for fuel savings
A launch window is the time span when Earth’s rotation, the pad’s latitude, and the target’s position let a rocket meet its orbit or transfer path with the least propellant.
Miss Mars’ short planetary window and you wait about twenty-six months; miss a daily ISS phase window and you scrub to the next opportunity. Weather and range safety can shrink the same slot further.
Spaceflight runs on celestial clocks, not just countdowns. Launch windows turn geometry into the hottest ticket on the pad.
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