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Sentinels of the Heliosphere

Heliophysics is a term to describe the study of the Sun, its atmosphere or the heliosphere, and the planets within it as a system. As a result, it encompasses the study of planetary atmospheres and their magnetic environment, or magnetospheres. These environments are important in the study of space weather.



As a society dependent on technology, both in everyday life, and as part of our economic growth, space weather becomes increasingly important. Changes in space weather, either by solar events or geomagnetic events, can disrupt and even damage power grids and satellite communications. Space weather events can also generate x-rays and gamma-rays, as well as particle radiations, that can jeopardize the lives of astronauts living and working in space.



This visualization tours the regions of near-Earth orbit; the Earth's magnetosphere, sometimes called geospace; the region between the Earth and the Sun; and finally out beyond Pluto, where Voyager 1 and 2 are exploring the boundary between the Sun and the rest of our Milky Way galaxy. Along the way, we see these regions patrolled by a fleet of satellites that make up NASA's Heliophysics Observatory Telescopes. Many of these spacecraft do not take images in the conventional sense but record fields, particle energies and fluxes in situ. Many of these missions are operated in conjunction with international partners, such as the European Space Agency (ESA) and the Japanese Space Agency (JAXA).



The Earth and distances are to scale. Larger objects are used to represent the satellites and other planets for clarity.



Here are the spacecraft featured in this movie:

Near-Earth Fleet:

  • Hinode: Observes the Sun in multiple wavelengths up to x-rays. SVS page
  • RHESSI : Observes the Sun in x-rays and gamma-rays. SVS page
  • TRACE: Observes the Sun in visible and ultraviolet wavelengths. SVS page
  • TIMED: Studies the upper layers (40-110 miles up) of the Earth's atmosphere.
  • FAST: Measures particles and fields in regions where aurora form.
  • CINDI: Measures interactions of neutral and charged particles in the ionosphere.
  • AIM: Images and measures noctilucent clouds. SVS page

Geospace Fleet:

  • Geotail: Conducts measurements of electrons and ions in the Earth's magnetotail.
  • Cluster: This is a group of four satellites which fly in formation to measure how particles and fields in the magnetosphere vary in space and time. SVS page
  • THEMIS: This is a fleet of five satellites to study how magnetospheric instabilities produce substorms. SVS page

L1 Fleet:

The L1 point is a Lagrange Point, a point between the Earth and the Sun where the gravitational pull is approximately equal. Spacecraft can orbit this location for continuous coverage of the Sun.
  • SOHO: Studies the Sun with cameras and a multitude of other instruments. SVS page
  • ACE: Measures the composition and characteristics of the solar wind.
  • Wind: Measures particle flows and fields in the solar wind.

Heliospheric Fleet

  • STEREO-A and B: These two satellites observe the Sun, with imagers and particle detectors, off the Earth-Sun line, providing a 3-D view of solar activity. SVS page

Heliopause Fleet





  • Voyager 1 and 2: These spacecraft conducted the original 'Planetary Grand Tour' of the solar system in the 1970s and 1980s. They have now travelled further than any human-built spacecraft and are still returning measurements of the interplanetary medium. SVS page






This enhanced, narrated visualization was shown at the SIGGRAPH 2009 Computer Animation Festival in New Orleans, LA in August 2009; an eariler version created for AGU was called NASA's Heliophysics Observatories Study the Sun and Geospace.
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This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.
Duration: 7.2 minutes
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This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.  This version has been edited down to 5 minutes for submission to NSF.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere. This version has been edited down to 5 minutes for submission to NSF.
Duration: 5.0 minutes
Available formats:
  1280x720   MPEG-4   273 MB
  640x360     MPEG-4   58 MB
  640x360     MPEG-1   148 MB
How to play our movies


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     20 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     22 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     12 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     12 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     12 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     22 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     21 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     23 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     23 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     17 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     13 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF       9 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     17 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     19 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     19 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     16 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     17 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     18 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF       9 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF       9 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     17 MB


This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.    This movie shows the orbits of the fleet of NASA spacecraft exploring the heliosphere.

For complete transcript, click here.

Available formats:
  6400 x 3600     TIFF     13 MB

Short URL to This Page:http://svs.gsfc.nasa.gov/goto?3595
Animation Number:3595
Completed:2009-07-27
Animators:Greg Shirah (NASA/GSFC) (Lead)
 Ernie Wright (UMBC)
 Tom Bridgman (GST)
 Horace Mitchell (NASA/GSFC)
 Trent L. Schindler (UMBC)
 Cindy Starr (GST)
Video Editor:Stuart A. Snodgrass (HTSI)
Narrator:Michael Starobin (HTSI)
Producer:Rani Gran (NASA/GSFC)
Scientists:Jeffrey Hayes (NASA/HQ)
 Jennifer Rumburg (NASA/OSC)
Writer:Michael Starobin (HTSI)
Platforms/Sensors/Data Sets:JPL/Horizon Orbital Ephemerides (November 1, 2006 - September 30, 2008)
 SSCweb (November 1, 2006 - September 30, 2008)
 CPC (Climate Prediction Center) Cloud Composite
 Hipparcos/Telescope/Tycho 2 Catalogue
 Hipparcos/Telescope/Hipparcos Catalogue
 TOPEX/Poseidon/Sea Surface Height Anomaly
 Advanced Composition Explorer (ACE)
 C/NOFS/Coupled Ion Neutral Dynamics Investigation (CINDI)
 Voyager
 Aeronomy of Ice in the Mesosphere (AIM)
 Hinode (Solar-B)/Solar Optical Telescope (SOT)
 THEMIS
 STEREO
 Wind/MFI
 TRACE
 TIMED
 RHESSI/X-ray Imaging Spectrometer
 SOHO
 Cluster
Series:Narrated Movies
 Goddard Best of 2009 Film Festival
 Goddard Shorts
 Astrophysics Stills
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio
 
Keywords:
SVS >> Aurora
SVS >> Coronal Mass Ejection
SVS >> Energetic Particles
SVS >> Geomagnetic Field
SVS >> HDTV
SVS >> Heliosphere
SVS >> Magnetosphere
SVS >> Mars
SVS >> Mercury
SVS >> Moon
SVS >> SOHO
SVS >> Satellite
SVS >> Satellite dynamics
SVS >> Solar Wind
SVS >> Spacecraft
SVS >> Sun
SVS >> Venus
SVS >> Orbit
SVS >> Space Weather
SVS >> THEMIS
SVS >> AIM
SVS >> Solar System
SVS >> Heliopause
SVS >> iPod
SVS >> Noctilucent Clouds
SVS >> Edited Feature
SVS >> Electromagnetic Spectrum
SVS >> RHESSI
SVS >> Auroral Substorm
SVS >> Heliophysics
SVS >> TRACE
SVS >> Copenhagen
DLESE >> Narrated
SVS >> Voice Over Talent
SVS >> Hinode
SVS >> STEREO
SVS >> For Educators
SVS >> Atmosphere >> Winds >> Circulation
SVS >> Geospace
 
 


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Many of our multimedia items use the GCMD keywords. These 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

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