earth

The Polaris Dawn crew will be launched by SpaceX on a risky mission into Earth’s radiation belts. 

The Polaris Dawn crew will be launched by SpaceX on a risky mission into Earth’s radiation belts. 

Scientific Asia: The countdown to SpaceX’s most recent mission, a daring and dangerous journey into Earth’s Van Allen radiation belts by a four-person civilian crew hoping to do the first-ever commercial spacewalk, is finally starting. Polaris Dawn was scheduled to launch on Tuesday as early as 3:38 a.m. ET. However, due to adverse weather at…