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STEREO
Overview
STEREO (Solar TErrestrial RElations Observatory) is the third mission in NASA's Solar Terrestrial Probes program (STP). The mission, launched in October 2006, has provided a unique and revolutionary view of the Sun-Earth System. The two nearly identical observatories - one ahead of Earth in its orbit, the other trailing behind - have traced the flow of energy and matter from the Sun to Earth. STEREO has revealed the 3D structure of coronal mass ejections; violent eruptions of matter from the sun that can disrupt satellites and power grids, and help us understand why they happen. STEREO is a key addition to the fleet of space weather detection satellites by providing more accurate alerts for the arrival time of Earth-directed solar ejections with its unique side-viewing perspective.
STEREO Data
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STEREO in stereo: Spring 2007 at 171 Ångstroms
Red/Cyan stereo glasses are required to view it properly. || With the 10th Anniversary of the launch of the STEREO mission, two spacecraft orbiting the Sun to study space weather from multiple vantage points, it seemed a good time to revisit some older STEREO visualizations and update them to the newer display technologies. For each movie, we have combined 1K and 2K images from the STEREO spacecraft to maximize the continuity.The images between left and right eye have a 10 arcsecond offset from the image center. This has worked well in our stereo experiments for a variety of display sizes from 18 to 80 inches.Note on making color stereo movies: Left and Right eye frame sequenences under this animation are available for those who have the technology and want to encode color stereo movies for the variety of display technologies available. A word of caution. In generating these products, there was the goal of making a complete stereo product but also provide as complete a data run for each spacecraft. Many frames for one eye do not necessarily have a matching stereo frame for the other. If there are matching frame numbers between the left and right eye, they should make the appropriate stereo pair, but this screening was done manually and errors may exist. Please notify us if you encounter them. ||
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STEREO in stereo: Spring 2007 at 195 Ångstroms
Red/Cyan stereo glasses are required to view it properly. || With the 10th Anniversary of the launch of the STEREO mission, two spacecraft orbiting the Sun to study space weather from multiple vantage points, it seemed a good time to revisit some older STEREO visualizations and update them to the newer display technologies. For each movie, we have combined 1K and 2K images from the STEREO spacecraft to maximize the continuity.The images between left and right eye have a 10 arcsecond offset from the image center. This has worked well in our stereo experiments for a variety of display sizes from 18 to 80 inches.Note on making color stereo movies: Left and Right eye frame sequenences under this animation are available for those who have the technology and want to encode color stereo movies for the variety of display technologies available. A word of caution. In generating these products, there was the goal of making a complete stereo product but also provide as complete a data run for each spacecraft. Many frames for one eye do not necessarily have a matching stereo frame for the other. If there are matching frame numbers between the left and right eye, they should make the appropriate stereo pair, but this screening was done manually and errors may exist. Please notify us if you encounter them. ||
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STEREO in stereo: Spring 2007 at 284 Ångstroms
Red/Cyan stereo glasses are required to view it properly. || With the 10th Anniversary of the launch of the STEREO mission, two spacecraft orbiting the Sun to study space weather from multiple vantage points, it seemed a good time to revisit some older STEREO visualizations and update them to the newer display technologies. For each movie, we have combined 1K and 2K images from the STEREO spacecraft to maximize the continuity.The images between left and right eye have a 10 arcsecond offset from the image center. This has worked well in our stereo experiments for a variety of display sizes from 18 to 80 inches.Note on making color stereo movies: Left and Right eye frame sequenences under this animation are available for those who have the technology and want to encode color stereo movies for the variety of display technologies available. A word of caution. In generating these products, there was the goal of making a complete stereo product but also provide as complete a data run for each spacecraft. Many frames for one eye do not necessarily have a matching stereo frame for the other. If there are matching frame numbers between the left and right eye, they should make the appropriate stereo pair, but this screening was done manually and errors may exist. Please notify us if you encounter them. ||
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STEREO in stereo: Spring 2007 at 304 Ångstroms
Red/Cyan stereo glasses are required to view it properly. || With the 10th Anniversary of the launch of the STEREO mission, two spacecraft orbiting the Sun to study space weather from multiple vantage points, it seemed a good time to revisit some older STEREO visualizations and update them to the newer display technologies. For each movie, we have combined 1K and 2K images from the STEREO spacecraft to maximize the continuity.The images between left and right eye have a 10 arcsecond offset from the image center. This has worked well in our stereo experiments for a variety of display sizes from 18 to 80 inches.Note on making color stereo movies: Left and Right eye frame sequenences under this animation are available for those who have the technology and want to encode color stereo movies for the variety of display technologies available. A word of caution. In generating these products, there was the goal of making a complete stereo product but also provide as complete a data run for each spacecraft. Many frames for one eye do not necessarily have a matching stereo frame for the other. If there are matching frame numbers between the left and right eye, they should make the appropriate stereo pair, but this screening was done manually and errors may exist. Please notify us if you encounter them. ||
Visualizations
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Heliophysics Sentinels 2017
This visualization starts from near Earth and the Earth orbiting satellite fleet out to the Moon, then past the Sun-Earth Lagrange point 1 to out beyond the heliopause. This is the long-play version. || There have been few changes since the 2015 Earth-Orbiting Heliophysics Fleet. As of summer 2017, here's a tour of the NASA Heliophysics fleet from the near-Earth satellites out to the Voyagers beyond the heliopause.The satellite orbits are color coded for their observing program:Magenta: TIM (Thermosphere, Ionosphere, Mesosphere) observationsYellow: solar observations and imageryCyan: Geospace and magnetosphereViolet: Heliospheric observationsNear-Earth Fleet:Hinode: Observes the Sun in multiple wavelengths up to x-rays. SVS pageRHESSI : Observes the Sun in x-rays and gamma-rays. SVS pageTIMED: Studies the upper layers (40-110 miles up) of Earth's atmosphere. SVS pageSORCE: Monitors solar intensity across a broad range of the electromagnetic spectrum.AIM: Images and measures noctilucent clouds. SVS pageVan Allen Probes: Two probes moving along the same orbit designed to study the impact of space weather on Earth's radiation belts. SVS pageTWINS: Two Wide-Angle Imaging Neutral-Atom Spectrometers are two probes observing the Earth with neutral atom imagers.IRIS: Interface Region Imaging Spectrograph is designed to take high-resolution spectra and images of the region between the solar photosphere and solar atmosphere. SVS pageGeosynchronous Fleet:SDO: Solar Dynamics Observatory keeps the Sun under continuous observation at 16 megapixel resolution. SVS pageGeospace Fleet:Geotail: Conducts measurements of electrons and ions in the Earth's magnetotail. SVS pageMagnetospheric Multi-scale (MMS): 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 pageTHEMIS: This is a fleet of three satellites to study how magnetospheric instabilities produce substorms. Two of the original five satellites were moved into lunar orbit to become ARTEMIS. SVS page IBEX: The Interstellar Boundary Explorer measures the flux of neutral atoms from the heliopause. SVS pageLunar Orbiting Fleet:ARTEMIS: Two of the THEMIS satellites were moved into lunar orbit to study the interaction of the Earth's magnetosphere with the Moon. SVS pageSun-Earth Lagrange Point One Fleet:The L1 point is a Lagrange Point between the Sun and the Earth. Spacecraft can orbit this location for continuous coverage of the Sun.SOHO: Studies the Sun with cameras and a multitude of other instruments. SVS pageACE: Measures the composition and characteristics of the solar wind. SVS pageWind: Measures particle flows and fields in the solar wind. SVS pageSolar Orbiting Fleet:STEREO-A & STEREO-B: The two STEREO spaceraft orbit the Sun in roughly the same orbit as Earth. There have been some communications problems with STEREO-B since 2014. SVS pageInterstellar Fleet:Voyager 1 & Voyager 2: The two Voyager spaceraft orbit originally performed flybys of the outer planets of the solar system but continued to operate. They are now the most distant monitors of the plasma in the space between the stars. SVS pageMajor changes with earlier versions:L1 fleet, STEREOs and Voyagers addedCINDI de-orbited and removedCamera move extended to out beyond the heliopause ||
Live Events
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NASA's STEREO Solar Probes 10th Anniversary Live Shots
B-roll that corresponds with the live shots. || NASA Solar Probes Celebrate 10 Years of Uncovering Mysteries of Space WeatherSTEREO Mission Gave First Ever 360-Degree Views of Our Star, Origin of Solar WindTen years ago on Oct. 25, 2006, NASA launched twin satellites into orbit to get the first 360-degree view of the sun at one time. The Solar-Terrestrial Relations Observatories (STEREO) spacecraft have helped NASA scientists to better understand how the sun affects Earth and the solar system, including the harsh space environment that spacecraft – or even astronauts – may experience in space.Join NASA scientists on Friday, Oct. 21, from 6:00 a.m. to 11:30 a.m. EDT to show your viewers revolutionary solar images from this mission that has uncovered some of the mysteries surrounding the origin of space weather.With STEREO-A ahead of Earth in its orbit and STEREO-B trailing behind, the observatories have captured 3D views of the sun’s regular violent eruptions of matter, which trigger the aurora and can – at their worst – disrupt satellites and even cause electrical power outages. STEREO has served as a key addition to a fleet of space weather detection satellites by providing unique data to better help us understand what sets off such solar eruptions and how they travel toward Earth.STEREO is also laying the groundwork for Solar Probe Plus, the first mission that will fly into the upper solar atmosphere and “touch” the sun. Launching in 2018, NASA’s Solar Probe Plus will continue the work of improving scientists’ understanding of space weather and its impact on the solar system by observing the sun from a closer vantage point than any human-made object in history.To book a window, contactMichelle Handleman / michelle.z.handleman@nasa.gov / 301-286-0918tHD Satellite Digital Coordinates: HD Satellite Coordinates for AMC9- K11AB: AMC-9 Ku-band Xp 11 Slot AB| 83.0 ° W Longitude | DL 11911.0 MHz | Horizontal Polarity | QPSK/DVB-S | FEC 3/4 | SR 13.235 Mbps | DR 18.2954 MHz | HD 720p | Format MPEG2 | Chroma Level 4:2:0 | Audio EmbeddedSuggested Questions:1. Why does space weather matter to us on Earth?2. How has STEREO changed our understanding of the sun?3. We’re gearing up for the solar event of the century in the U.S.— the August 2017solar eclipse. How does an eclipse help us understand the sun? 4. NASA has an upcoming mission that will for the first time touch the sun. Can you tell us about that?5. We heard STEREO-B was giving NASA the silent treatment for a while. Can you tell us what happened?6. Where can we learn more?Live Shot Details:Location: NASA’s Goddard Space Flight Center/Greenbelt, MarylandScientists:Dr. Yari Collado-Vega/ NASA Scientists [Interviews in English and Spanish] Dr. Eric Christian/ NASA ScientistVideo: NASA will roll all insert videos during live interviews. If needed, stations can roll a clean feed of all video at 5:45 a.m. EDT on Oct. 21st at the above-listed satellite. ||