The Falcon 9 Starlink satellite mission, a SpaceX launch anomaly happens.

SpaceX's launch of a Falcon 9 rocket on Thursday evening

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It was planned to place 20 Starlink high-speed internet satellites in low-Earth orbit.

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Everything was going according to plan. when Falcon 9 rocket took off

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The first stage landed successfully eight minutes after its launch.

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The rocket's upper stage experienced a problem while transporting the Starlink satellites.

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The satellites will re-enter the atmosphere and "fully demise," according to SpaceX.

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