A big NASA satellite will crash back to Earth on Tuesday (March 10) after nearly 14 years in orbit, experts say.
"The risk of harm coming to anyone on Earth is low — approximately 1 in 4,200. ".
The spacecraft in question is the 1,323-pound (600-kilogram) Van Allen Probe A, which launched in August 2012 along with its twin, Van Allen Probe B, to study the radiation belts around Earth for which they're named.