Science ❯ Astronomy ❯ Solar System

Heliosphere

Radiation Exposure Termination Shock Heliophysicists Heliopause Space Exploration Interstellar Medium Charged Particles Cosmic Rays Solar Wind Sun's Influence Cosmic Radiation IMAP Mission Interstellar Probe

3 ARTICLES

last mo.

New Horizons Finds Solar Wind Slows About 13–15% by 58 AU

The result supports charge‑exchange pickup‑ion braking models that reshape estimates of the heliosphere’s outer boundary and improve forecasts of cosmic‑ray exposure for deep‑space missions.

3 ARTICLES

6mo ago

NASA’s IMAP Begins Two-Year Mission to Map the Heliosphere’s Edge

5 ARTICLES

10mo ago

NASA’s IMAP Set for Sept. 23 Launch to Map the Solar System’s Protective Bubble