NASA’s Van Allen Probe A to Re-Enter Atmosphere 

NASA’s Van Allen Probe A is expected to re-enter Earth’s atmosphere, almost 14 years after launch. From 2012 to 2019, the spacecraft and its twin, Van Allen Probe B, flew through the Van Allen belts, rings of charged particles trapped by Earth’s magnetic field, to understand how particles were gained and lost. The belts shield Earth from cosmic radiation, solar storms, and the constantly streaming […]