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.
Cosmic ray flux animation
Credits
Please give credit for this item to:
NASA/Goddard Space Flight Center, Conceptual Image Lab
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Animator
- Walt Feimer (HTSI)
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Producer
- Scott Wiessinger (UMBC)
Missions
This page is related to the following missions:Series
This page can be found in the following series:Release date
This page was originally published on Friday, October 1, 2010.
This page was last updated on Wednesday, May 3, 2023 at 1:54 PM EDT.
![Watch this video on the NASA Goddard YouTube channel.Complete transcript available.Music credits: “Boreal Moment” by Benoit Scarwell [SACEM]; “Sensory Questioning”, “Natural Time Cycles”, “Emerging Designer”, and “Experimental Design” by Laurent Dury [SACEM]; “Superluminal” by Lee Groves [PRS], Peter George Marett [PRS] from Killer Tracks](/vis/a010000/a013200/a013275/13275_AstronautRadiation_Twitter.01205_print.jpg)