NASA's giant moon rocket delays its launch 😔

Engine issues prevented NASA's unmanned Space Launch System (SLS),

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and Orion spacecraft from launching on their eagerly anticipated test flight to the moon.

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Halfway through the launch countdown, a liquid hydrogen line that cools the rocket's core-stage engines broke down.

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There has not yet been a new launch date declared.

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Backup launch dates for NASA are September 2 and 5, but it's not clear,

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if engineers can identify the issue and fix it in time to meet those deadlines.

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The engineers are gathering data from the vehicle on the launch pad, the agency added,

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The rocket and spacecraft are currently "in a stable, safe condition."

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