The IBEX has produced a new set of \"all-sky\" maps of our solar system's interaction with the galaxy, allowing researchers to continue viewing and studying the interaction between our galaxy and sun. The new maps reveal changing conditions in the region that separates the nearest reaches of our galaxy, called the local interstellar medium, from our heliosphere — a protective bubble that shields and protects our solar system.
In October 2009, scientists announced that the first map data produced by IBEX revealed an unpredicted bright ribbon of energetic neutral atoms emanating toward the sun from the edge of the solar system. This discovery was unexpected to scientists, because the ribbon of bright emissions did not resemble any previous theoretical models of the region.
The IBEX spacecraft creates sky maps by measuring and counting particles referred to as energetic neutral atoms that are created in an area of our solar system known as the interstellar boundary region. This imaging technique is required since this region emits no light that can be collected by conventional telescopes. This interstellar boundary is where charged particles from the sun, called the solar wind, flow outward far beyond the orbits of the planets and collide with material between stars. These collisions cause energetic neutral atoms to travel inward toward the sun from interstellar space at velocities ranging from 100,000 mph to more than 2.4 million mph.
This second set of all-sky maps, created using data collected during six months of observations, show the evolution of the interstellar boundary region. The maps help delineate the interstellar boundary region, the area at the edge of our solar system that shields it from most of the dangerous galactic cosmic radiation that would otherwise enter from interstellar space. The new findings were published this week in the Journal of Geophysical Research - Space Physics, a publication of the American Geophysical Union.", "items": [], "extra_data": {} }, { "id": 352752, "url": "https://svs.gsfc.nasa.gov/10669/#media_group_352752", "widget": "Video player", "title": "", "caption": "", "description": "The IBEX science team compares the first and second maps to reveal whether there are time variations in the Ribbon or the more distributed emissions around the ribbon. This animation fades between the first and second IBEX maps. We see that the first and second maps are relatively similar. 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Dury [SAXEM]; “Ticks and Thoughts” by Laurent Dury [SACEM]; “Intimate Journey” by Laurent Vernerey [SACEM], Nicolas de Ferran [SACEM] from Universal Production MusicComplete transcript available. || 13642_IBEX11years_YouTube.00214_print.jpg (1024x576) [239.3 KB] || 13642_IBEX11years_YouTube.00214_searchweb.png (320x180) [98.0 KB] || 13642_IBEX11years_YouTube.00214_thm.png (80x40) [6.7 KB] || 13642_IBEX11years_Prores-2.mov (1920x1080) [4.2 GB] || 13642_IBEX11years_YouTube.mp4 (1920x1080) [489.0 MB] || 13642_IBEX11years_Facebook.mp4 (1920x1080) [366.4 MB] || 13642_IBEX11years_Twitter.mp4 (1920x1080) [66.4 MB] || 13642_IBEX11years_YouTube.webm (1920x1080) [33.9 MB] || IBEX11years.en_US.srt [5.8 KB] || IBEX11years.en_US.vtt [5.8 KB] || ", "release_date": "2020-06-11T10:00:00-04:00", "update_date": "2023-05-03T13:44:55.148295-04:00", "main_image": { "id": 384483, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a013600/a013642/13642_IBEX11years_YouTube.00214_print.jpg", "filename": 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There, the constant stream of solar particles flowing off the sun, the solar wind, pushes up against the interstellar material flowing in from the local galactic neighborhood.IBEX is also different because it creates images from particles instead of light. IBEX, scientists create maps from the observed neutral atoms. Some are of non-solar origin, others were created by collisions of solar wind particles with other neutral atoms far from the sun. Observing where these energetic neutral atoms, or ENAs, come from describes what's going on in these distant regions. Over the course of six months and many orbits around Earth, IBEX can paint a picture of the entire sky in ENAs.During its first five years, IBEX has made some astounding discoveries.IBEX is a NASA Heliophysics Small Explorer mission. The Southwest Research Institute in San Antonio, Texas, leads IBEX with teams of national and international partners. NASA's Goddard Space Flight Center in Greenbelt, Md., manages the Explorers Program for the agency's Science Mission Directorate in Washington. || ", "release_date": "2013-10-30T10:00:00-04:00", "update_date": "2023-05-03T13:51:33.096916-04:00", "main_image": { "id": 461755, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011300/a011382/IBEX_Card.jpg", "filename": "IBEX_Card.jpg", "media_type": "Image", "alt_text": "Short narrated video.Watch this video on the NASAexplorer YouTube channel.For complete transcript, click here.", "width": 1280, "height": 720, "pixels": 921600 } }, { "id": 10908, "url": "https://svs.gsfc.nasa.gov/10908/", "page_type": "Produced Video", "title": "IBEX: Observing the Sun's Horizon", "description": "The Interstellar Boundary Explorer, or IBEX, is the first mission designed to map the entire region of the boundary of our Solar System. As charged particles from the Sun, called the \"solar wind,\" flow outward well beyond the orbits of the planets, they collide with the material between the stars, called the \"interstellar medium\" (ISM). These interactions create energetic neutral atoms (ENAs), particles with no charge that move very quickly. This region emits no light that can be collected by conventional telescopes so, instead, IBEX measures the particles that happen to be traveling inward from the boundary. IBEX contains two detectors designed to collect and measure ENAs, providing data about the mass, location, direction of origin, and energy of these particles. From these data, maps of the boundary are created. IBEX's sole, focused science objective is to discover the nature of the interactions between the solar wind and the interstellar medium at the edge of our Solar System. || ", "release_date": "2012-05-10T09:00:00-04:00", "update_date": "2017-02-01T11:26:32-05:00", "main_image": { "id": 479495, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a010900/a010908/About_IBEX_Still.png", "filename": "About_IBEX_Still.png", "media_type": "Image", "alt_text": "Short narrated video about the Interstellar Boundary Explorer spacecraft and mission.For complete transcript, click here.", "width": 1280, "height": 720, "pixels": 921600 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }