{ "count": 7, "next": null, "previous": null, "results": [ { "id": 11310, "url": "https://svs.gsfc.nasa.gov/11310/", "result_type": "Produced Video", "release_date": "2013-07-18T11:00:00-04:00", "title": "MAVEN Neutral Gas and Ion Mass Spectrometer", "description": "While NASA rovers, landers, and orbiters have scrutinized the surface of Mars for decades, a key question to understanding the Red Planet's ancient habitability has hitherto gone unanswered: what happened to its atmosphere? NASA's MAVEN spacecraft will fill in this gap in the history of Mars, thanks in part to its Neutral Gas and Ion Mass Spectrometer, or NGIMS instrument. By studying the interaction of neutral gases and ions with the solar wind, NGIMS will observe current atmospheric escape processes on Mars and allow scientists to extrapolate back to the ancient atmosphere. The results could tell scientists just how long Mars was warm, wet, and hospitable, refining our understanding of its early potential for life. || ", "hits": 52 }, { "id": 10908, "url": "https://svs.gsfc.nasa.gov/10908/", "result_type": "Produced Video", "release_date": "2012-05-10T09:00:00-04:00", "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. || ", "hits": 70 }, { "id": 3769, "url": "https://svs.gsfc.nasa.gov/3769/", "result_type": "Visualization", "release_date": "2010-09-30T12:00:00-04:00", "title": "IBEX Skymaps and the Bright Stars", "description": "In this image set, the brighter stars from the Tycho skymap have been reprojected into positions corresponding to the coordinate system used by the IBEX mission.The colors represent the number of neutral atoms (in the specified band of energies) detected by IBEX in each block of sky. Each block in the map is roughly a square about 6 degrees by 6 degrees (or the width of 12 full Moons, on a side). For the energy band displayed of 2.73 keV, violet corresponds to undetectable emission, while red corresponds to the detection of about 50 atoms per second per square centimeter in the angular segment of the sky. There is a 'hole' in the data (black) created when the IBEX scan cuts through the Earth's magnetotail.The images in this set have been co-registered for easy compositing. || ", "hits": 46 }, { "id": 3770, "url": "https://svs.gsfc.nasa.gov/3770/", "result_type": "Visualization", "release_date": "2010-09-30T12:00:00-04:00", "title": "IBEX Observes Changes in Heliopause Emission", "description": "The camera view moves from the heliosphere 'nose', the apparent direction of the heliopause relative to the interstellar wind, towards the 'knot'. The 'knot' represents a direction of high emission of neutral atoms which has changed significantly in the six months since the first IBEX map.We fade-in an artistic conception of the 'knot', which untangles during the six months as we fade to the second IBEX map. || ", "hits": 25 }, { "id": 3635, "url": "https://svs.gsfc.nasa.gov/3635/", "result_type": "Visualization", "release_date": "2009-10-15T12:00:00-04:00", "title": "IBEX First Skymap Release", "description": "The Interstellar Boundary Explorer (IBEX) mission science team has used data from NASA's IBEX spacecraft to construct the first-ever all-sky map of the interactions occurring at the edge of the solar system, where the sun's influence diminishes and interacts with the interstellar medium. The interstellar boundary region shields our solar system from most of the dangerous galactic cosmic radiation that would otherwise enter from interstellar space.This visualization illustrates the IBEX satellite in Earth orbit (the orbit reaching almost as far as the orbit of the Moon) and pulls out to beyond the heliopause boundary (the true 3-D nature of the boundary is reduced to a 2-D spherical surface). The sphere with the skymap opens to reproject the data into a near-Aitoff type map projection.The skymap shows the measured flux of energetic neutral atoms (ENAs). || ", "hits": 45 }, { "id": 10332, "url": "https://svs.gsfc.nasa.gov/10332/", "result_type": "Produced Video", "release_date": "2008-10-22T00:00:00-04:00", "title": "Solar Neutral Particles", "description": "This animation shows a charged solar particle's path leaving the sun, while following the magnetic field lines out to the heliosheath. The solar particle hits a hydrogen atom, stealing its electron and becoming neutral. We then follow it until we see it hit one of IBEX's detectors. || ", "hits": 37 }, { "id": 2435, "url": "https://svs.gsfc.nasa.gov/2435/", "result_type": "Visualization", "release_date": "2002-05-09T12:00:00-04:00", "title": "IMAGE/LENA Observes Oxygen Atoms in the near-Earth Environment", "description": "Electrically charged oxygen atoms (green) are ejected into the magnetosphere due to heating in the ionosphere. The red 'thermometer' displays the intensity of the solar wind (dynamic pressure) measured by the Geotail spacecraft. The yellow 'thermometer' represents the source intensity or hydrogen counts as measured by IMAGE/LENA. || ", "hits": 16 } ] }