Sun  ID: 3548

Comparison: Solar Minimum from SOHO/EIT

Visualizations by Steele Hill Released on September 10, 2008
This is a short movie of the Sun at the minimum of solar activity. This images are collected in ultraviolet light (a wavelength of 195 Å or 19.5 nanometers) which is only visible to space-based instruments. In visible light, few to now sunspots would be visible.

At solar minimum, we see few bright active regions. The mottled look is from small 'hot spots' which last less than 48 hours. There are dark regions at the top and bottom of the Sun (corresponding to the north and south solar poles) created by solar magnetic field lines that connect to the interstellar magnetic field. A similar dark region, below the solar equator, is called a coronal hole, where open magnetic field lines enable particles to stream away at high speeds.

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This is a short movie of the Sun in ultraviolet light at solar minimum.
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This is a longer run of SOHO/EIT data showing the Sun at solar minimum.

Visualization Credits

Steele Hill (RSIS): Lead Animator
Tom Bridgman (Global Science and Technology, Inc.): Animator
Rani Gran (NASA/GSFC): Producer
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio

Short URL to share this page:
https://svs.gsfc.nasa.gov/3548

Mission:
SOHO

Data Used:
SOHO/Extreme-UV Imaging Telescope (EIT)/195 Filter also referred to as: SOHO/EIT 195
NASA and ESA - 2007-11-05T00:00 - 2007-11-05T23:48
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Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.

This item is part of this series:
Comparison: Solar Minimum and Solar Maximum

Goddard TV Tape:
G2008-047 -- Glory Resource Reel

Keywords:
SVS >> SOHO
SVS >> Solar Wind
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Corona Holes
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Solar Ultraviolet
GCMD >> Earth Science >> Sun-earth Interactions >> Solar Activity >> Sunspots
NASA Science >> Sun
SVS >> Extreme Ultraviolet Imaging
SVS >> EUV Imaging

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