(CNN) — Surrounding our solar system is a natural and enigmatic cosmic shield called the heliosphere — and a new mission has launched to help astronomers better understand it. Created by the solar ...
Morning Overview on MSN
Voyager hits a 50,000K wall at the solar system’s edge that shouldn’t exist
At the ragged frontier where the Sun’s influence gives way to the galaxy, a decades‑old spacecraft has stumbled into a ...
From left to right, this graphic illustrates how NASA’s Carruthers Geocorona Observatory, IMAP (Interstellar Mapping and Acceleration Probe), and the National Oceanic and Atmospheric Administration’s ...
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