NASA approved a safety waiver for this week’s reentry of Van Allen Probe
via sciencedirect.com
Short excerpt below. Read at the original source.
A NASA satellite that spent more than a decade coursing through the Van Allen radiation belts encircling Earth is about to fall back into the atmosphere. Most of the spacecraft will burn up during reentry, but a fraction of the material making up the 1,323-pound (600-kilogram) satellite will likely reach Earth’s surface without vaporizing in […]