It's difficult to imagine a substance that is hundreds of degrees below freezing yet still a liquid. Such is the strange ...
The Falcon 1 made history on September 28, 2008 by becoming the "first privately developed liquid fuel rocket to reach Earth ...
Liquid hydrogen fuel leaks forced NASA to delay the launch of Artemis II—the same scenario it encountered four years ago ...
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Meet Nell: The skeleton rocket that flew
In 1926, Robert Goddard launched Nell — the very first (successful) liquid fuel rocket. But Nell wasn't built like other modern rockets, including a notable lack of casing and an exhaust nozzle ...
It's not yet known whether the hydrogen leak encountered Monday will impact the moonshot's eventual launch date.
If the fueling test goes well, the Artemis II flight around the moon and back could take off as early as Feb. 8.
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