Increased and Varied Radiation during the Sun’s Encounters with Cold Clouds in the last 10 million years
Merav Opher1, Joe Giacalone2, Abraham Loeb3, Evan P Economo4, Alan C Cummings5, Jennifer L Middleton6, Catherine Zucker7, Jesse Miller1, Anna Nica8 and Dr. Maria Hatzaki9, (1)Boston University, Astronomy, Boston, MA, United States, (2)University of Arizona, Planetary Sciences, Tucson, AZ, United States, (3)Harvard University, Astronomy, Cambridge, MA, United States, (4)Okinawa Institute of Science and Technology, Onna-son, Japan, (5)CALTECH, Pasadena, CA, United States, (6)Harvard University, Earth and Planetary Sciences, Cambridge, United States, (7)Center for Astrophysics; Harvard & Smithsonian, Cambridge, United States, (8)Organization Not Listed, Washington, DC, United States, (9)National and Kapodistrian University of Athens, Department of Geology and Geoenvironment, Athens, Greece