“Zero hours” for the launch of NASA’s Artemis 1 lunar mission on August 29

CAPE CANAVERAL, Fla. — It’s make or break time for NASA’s new moon rocket.

With 8.8 million pounds of thrust, the rocket – called the Space Launch System (SLS) – is designed to be more powerful than NASA’s powerful Saturn V. Its Orion space capsule is one-third the size of its Apollo ancestor. Yet neither spacecraft passed the ultimate test: a trip to the moon and back.

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