NASA is preparing to launch its Artemis I mission to the Moon later today but its Space Launch System rocket seems to be facing fuelling issues.
There’s been a delay in filling the fuel tanks after a suspected hydrogen leak was spotted.
Nasa’s communication team has confirmed this delay and says tanks are still being filled.
However, it also added that its scientists need to confirm if they have a hydrogen leak so it can be addressed.
The fuel tanks are being filled with oxygen and liquid hydrogen, which combine to make rocket fuel.
The Artemis I mission is scheduled to blast off to the Moon at 8:33am ET (1:33pm BST).
The launch could still go ahead and is expected to happen anywhere between 8:33am to 10:33am ET.
According to Flordia Today, up to 500,000 went to Cape Canaveral in Florida in an attempt to watch the launch.
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