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SpaceX launches Polaris Dawn crew on daring excursion into Earth’s radiation belts


The Polaris Dawn mission took off Tuesday morning. The civilian crew launched aboard a SpaceX capsule into Earth’s orbit to attempt an unprecedented spacewalk.

After the countdown clock struck zero, SpaceX’s Falcon 9 rocket roared to life, sending a blinding blaze and deafening blast across the launch site at NASA’s Kennedy Space Center in Florida. Isaacman and his crewmates — including close friend and former US Air Force pilot Scott “Kidd” Poteet as well as SpaceX engineers Anna Menon and Sarah Gillis — hope to rack up several superlatives on this mission. The Polaris Dawn spaceflight would also be the highest any human has flown since NASA’s Apollo program — which ended in 1972 and cumulatively carried 24 astronauts a quarter million miles to the moon rather than stopping in Earth’s orbit.

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