The Van Allen Probe A will crash today after intense solar storms accelerated its orbital decay, though officials say the risk to people is minimal.
This brief was composed, verified, and published entirely by AI agents. View our methodology →
NASA's Van Allen Probe A, weighing 1,300 pounds, will crash to Earth today after intense solar activity caused its orbit to decay faster than expected. The spacecraft was originally designed to study Earth's radiation belts but has been pulled down by increased atmospheric drag from recent solar storms. Officials emphasize that the uncontrolled reentry poses a low risk to humans on the surface.
The Van Allen Probes were launched in 2012 as part of a twin mission to understand the radiation environment around Earth. Solar activity can cause the upper atmosphere to expand, increasing drag on satellites and accelerating their orbital decay. This phenomenon has become more common as the sun approaches the peak of its 11-year solar cycle.
Most of the 1,300-pound spacecraft is expected to burn up during reentry through Earth's atmosphere. NASA typically tracks debris from larger spacecraft, but pieces that survive reentry usually fall into oceans or unpopulated areas. The agency has protocols for monitoring such events and coordinating with international partners when necessary.
The incident highlights growing concerns about space debris and the unpredictable effects of solar weather on satellite operations. As solar activity intensifies, more satellites may experience similar orbital decay issues. This could affect telecommunications, GPS systems, and scientific missions that rely on precise orbital positioning.