Sun  ID: 20186

Cosmic Rays and the Heliopause

This animation shows how variations in the size of the heliosphere affect how many cosmic rays reach Earth. As the heliosphere expands, it blocks more cosmic rays, and as it contracts, more cosmic rays get through and can affect astronauts and satellites.
 

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Animation Credits

Walt Feimer (HTSI): Lead Animator
Scott Wiessinger (UMBC): Producer
Please give credit for this item to:
NASA/Goddard Space Flight Center, Conceptual Image Lab

Short URL to share this page:
http://svs.gsfc.nasa.gov/20186

Mission:
IBEX

This item is part of these series:
IBEX Videos
IBEX Sees Evolution in the Heliopause

Keywords:
SVS >> HDTV
SVS >> Heliosphere
DLESE >> Space science
SVS >> Sun
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Cosmic Rays
SVS >> Space Weather
SVS >> Heliopause
SVS >> IBEX
NASA Science >> Sun

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0