Quote:
Originally Posted by TLO
Oh, nice. I assumed it was something like that. Why did it get cancelled?
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Rocket launches require about a thousand little things going perfectly in a very precise sequence. Launches are scrubbed (postponed) quite often - I'd guess maybe 20% of the time.
In this case, it sounds like there was some sort of hydrogen leak. They'll find it, fix it, and try again tomorrow.