2 papers
astro-ph.EP2026
Increased and Varied Radiation during the Sun's Encounters with Cold Clouds in the last 10 million years
Merav Opher, Joe Giacalone, Abraham Loeb +7
Recent research raises the possibility that 3 and 7 million years ago, the Sun encountered massive clouds that shrank the heliosphere--the solar cocoon protecting our solar system-…
astro-ph.EP2026
Cosmogenic 10Be as a Tracer for Recent Heliospheric Encounters with Interstellar Cold Clouds
Anna Nica, Merav Opher, Jesse A. Miller +2
Recent works suggest there are periods when the Sun encountered massive interstellar cold clouds which compressed the heliosphere to within Earth's orbit, exposing Earth to interst…