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            "id": 14753,
            "url": "https://svs.gsfc.nasa.gov/14753/",
            "result_type": "Produced Video",
            "release_date": "2025-01-13T10:14:00-05:00",
            "title": "Astronomers Track Jet Launch, Fluctuating X-Rays from Brink of Active Black Hole",
            "description": "Active galaxy 1ES 1927+654, circled, has exhibited extraordinary changes since 2018, when a major outburst occurred in visible, ultraviolet, and X-ray light. The galaxy harbors a central black hole weighing about 1.4 million solar masses and is located 270 million light-years away.Credit: Pan-STARRSUnannotated versions available.Image description: On a mottled black background, soft circles ranging in color from blue-white to orange represent stars in our own galaxy. At center, to the right of a chain of three bluish stars, lies a softer white circle set within a grayish ellipse whose longest dimension is oriented vertically. This is 1ES 1927+654, circled in green in this image. || 1ES1927_PanSTARRS_1080_circ.jpg (1920x1080) [597.2 KB] || 1ES1927_PanSTARRS_1080.jpg (1920x1080) [591.5 KB] || 1ES1927_PanSTARRS_2160.jpg (3840x2160) [1.7 MB] || 1ES1927_PanSTARRS_1080_circ_searchweb.png (320x180) [87.7 KB] || 1ES1927_PanSTARRS_1080_circ_thm.png [8.9 KB] || ",
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        {
            "id": 14698,
            "url": "https://svs.gsfc.nasa.gov/14698/",
            "result_type": "Produced Video",
            "release_date": "2024-10-22T11:00:00-04:00",
            "title": "NASA Reveals LISA Engineering Development Unit Telescope",
            "description": "NASA has revealed the first look at a full-scale prototype for six telescopes that will enable, in the next decade, the space-based detection of gravitational waves — ripples in space-time caused by merging black holes and other cosmic sources.The LISA (Laser Interferometer Space Antenna) mission is led by ESA (European Space Agency) in partnership with NASA to detect gravitational waves by using lasers to measure precise distances — down to picometers, or trillionths of a meter — between a trio of spacecraft distributed in a vast configuration larger than the Sun. Each side of the triangular array will measure nearly 1.6 million miles, or 2.5 million kilometers.Twin telescopes aboard each spacecraft will both transmit and receive infrared laser beams to track their companions, and NASA is supplying all six of them to the LISA mission. The prototype, called the Engineering Development Unit Telescope, will provide guidance as engineers and scientists work toward building the flight hardware.In May, the prototype, which was manufactured and assembled by L3Harris Technologies in Rochester, New York, arrived at NASA's Goddard Space Flight Center in Greenbelt, Maryland. The primary mirror is coated in gold to better reflect the infrared lasers and to reduce heat loss from a surface exposed to cold space since the telescope will operate best when close to room temperature. The prototype is made entirely from an amber-colored glass-ceramic called Zerodur, manufactured by Schott in Mainz, Germany. The material is widely used for telescope mirrors and other applications requiring high precision because its shape changes very little over a wide range of temperatures. || ",
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        {
            "id": 12264,
            "url": "https://svs.gsfc.nasa.gov/12264/",
            "result_type": "Produced Video",
            "release_date": "2016-06-07T09:30:00-04:00",
            "title": "LISA Pathfinder Spaceflight Experiment a Rousing Success",
            "description": "The LISA Pathfinder mission is an ESA-led effort to demonstrate technologies for a future gravitational wave observatory in space. NASA Goddard astrophysicist Ira Thorpe, a member of the team, discusses the mission and its spectacular results so far. Credit: NASA's Goddard Space Flight CenterWatch this video on the NASA Goddard YouTube channel.Complete transcript available. || LPF_Still.png (1920x1080) [3.1 MB] || LPF_Still_print.jpg (1024x576) [110.1 KB] || LPF_Still_searchweb.png (320x180) [98.0 KB] || LPF_Still_thm.png (80x40) [9.8 KB] || 12264_LISA_Pathfinder_Final_ProRes_1920x1080_2997.mov (1920x1080) [3.6 GB] || YOUTUBE_HQ_12264_LISA_Pathfinder_Final_youtube_hq.mov (1920x1080) [1.2 GB] || 12264_LISA_Pathfinder_Final-HD_1080p.mov (1920x1080) [409.0 MB] || 12264_LISA_Pathfinder_Final-Apple_Devices_HD_Best.m4v (1920x1080) [272.7 MB] || 12264_LISA_Pathfinder_Final_appletv.m4v (1280x720) [138.6 MB] || 12264_LISA_Pathfinder_Final_large.mp4 (1920x1080) [278.0 MB] || 12264_LISA_Pathfinder_Final_appletv_subtitles.m4v (1280x720) [138.7 MB] || 12264_LISA_Pathfinder_Final_appletv.webm (1280x720) [24.4 MB] || 12264_LISA_Pathfinder_SRT_Captions.en_US.srt [5.6 KB] || 12264_LISA_Pathfinder_SRT_Captions.en_US.vtt [5.6 KB] || ",
            "hits": 88
        },
        {
            "id": 30569,
            "url": "https://svs.gsfc.nasa.gov/30569/",
            "result_type": "Hyperwall Visual",
            "release_date": "2015-01-15T00:00:00-05:00",
            "title": "Listening to the Universe with Gravitational Waves",
            "description": "First image in presentation. || 2014_aas_ira_thorpe_01_title_slide_print.jpg (1024x574) [63.5 KB] || 2014_aas_ira_thorpe_01_title_slide.png (4104x2304) [2.3 MB] || 2014_aas_ira_thorpe_01_title_slide_searchweb.png (320x180) [28.0 KB] || 2014_aas_ira_thorpe_01_title_slide_web.png (320x179) [28.0 KB] || 2014_aas_ira_thorpe_01_title_slide_thm.png (80x40) [2.8 KB] || 2014_aas_ira_thorpe_12_title_slide.hwshow || Dr. Ira Thorpe's AAS presentation from 2015 || ",
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        },
        {
            "id": 10544,
            "url": "https://svs.gsfc.nasa.gov/10544/",
            "result_type": "Produced Video",
            "release_date": "2010-01-26T00:00:00-05:00",
            "title": "Black Hole Binary Creates Gravity Waves",
            "description": "When smaller black holes orbit around a supermassive black hole, Einstein's theory of general relativity predicts that they will emit gravitational radiation. These ripples of space-time cause the orbits to shrink and gradually brings the black holes closer enough together to merge. || ",
            "hits": 156
        },
        {
            "id": 20171,
            "url": "https://svs.gsfc.nasa.gov/20171/",
            "result_type": "Animation",
            "release_date": "2008-07-30T00:00:00-04:00",
            "title": "Lisa - Print Still Image - Wallpaper",
            "description": "Still from the animation series - 300dpi .tiff file - Suitable for framing. || Lisa - 3 satellites in orbit || Lisa-PRINT1.jpg (2700x3600) [1.7 MB] || Lisa-PRINT1_web.png (320x426) [672.3 KB] || Lisa-PRINT1_thm.png (80x40) [26.3 KB] || Lisa-PRINT1_searchweb.png (320x180) [80.5 KB] || Lisa-PRINT1.tif (2700x3600) [37.1 MB] || ",
            "hits": 29
        },
        {
            "id": 10125,
            "url": "https://svs.gsfc.nasa.gov/10125/",
            "result_type": "Produced Video",
            "release_date": "2007-07-03T00:00:00-04:00",
            "title": "The LISA Spacecraft",
            "description": "The Laser Interferometer Space Antenna (LISA) consists of three spacecraft orbiting the sun in a triangular configuration. The LISA mission will study the mergers of supermassive black holes, test Einstein's theory of general relativity, probe the early universe, and search for gravitational waves. As these passing waves ripple space and time, they will alter the laser beams shining between the spacecraft, offering a different perspective on the universe. LISA is scheduled for launch in 2015. || ",
            "hits": 61
        },
        {
            "id": 10126,
            "url": "https://svs.gsfc.nasa.gov/10126/",
            "result_type": "Produced Video",
            "release_date": "2007-07-03T00:00:00-04:00",
            "title": "LISA's Laser Beams",
            "description": "The Laser Interferometer Space Antenna (LISA) consists of three spacecraft orbiting the sun in a triangular configuration. The LISA mission will study the mergers of supermassive black holes, test Einstein's theory of general relativity, probe the early universe, and search for gravitational waves. As these passing waves ripple space and time, they will alter the laser beams shining between the spacecraft, offering a different perspective on the Universe. LISA is scheduled for launch in 2015. || ",
            "hits": 36
        },
        {
            "id": 10127,
            "url": "https://svs.gsfc.nasa.gov/10127/",
            "result_type": "Produced Video",
            "release_date": "2007-07-03T00:00:00-04:00",
            "title": "LISA Detects Gravitational Waves",
            "description": "The Laser Interferometer Space Antenna (LISA) consists of three spacecraft orbiting the sun in a triangular configuration. The LISA mission will study the mergers of supermassive black holes, test Einstein's theory of general relativity, probe the early Universe, and search for gravitational waves. As these passing waves ripple space and time, they will alter the lasers shining between the spacecraft, offering a different perspective on the Universe. LISA is scheduled for launch in 2015. || ",
            "hits": 54
        },
        {
            "id": 10140,
            "url": "https://svs.gsfc.nasa.gov/10140/",
            "result_type": "Produced Video",
            "release_date": "2007-07-03T00:00:00-04:00",
            "title": "Merging Black Holes",
            "description": "A black hole is a massive object whose gravitational field is so intense that no light (electromagnetic radiation) can escape it. When two orbiting black holes merge, a massive amount of energy is released in the form of jets. Meanwhile, the movement of these massive bodies disturbs the fabric of space-time around them, sending ripples of gravitational waves radiating outward. These waves are predicted by Einstein's theory of general relativity, but have yet to be directly detected. || ",
            "hits": 707
        },
        {
            "id": 10143,
            "url": "https://svs.gsfc.nasa.gov/10143/",
            "result_type": "Produced Video",
            "release_date": "2007-07-03T00:00:00-04:00",
            "title": "Millisecond Pulsar with Gravitational Waves",
            "description": "A pulsar is generally believed to be a rapidly rotating neutron star that emits pulses of radiation (such as x-rays and radio waves) at known regular intervals. A millisecond pulsar is one with a rotational period in the range of 1-10 milliseconds. As the pulsar picks up speed through accretion, it distorts due to subtle changes in the crust. Such slight distortion is enough to produce gravitational waves. Material flowing onto the pulsar surface from its companion star tends to quicken the spin, but the loss of energy to gravitational waves tends to slow the spin. This competition between forces may reach an equilibrium, setting a natural speed limit for millisecond pulsars beyond which they cannot spin faster. || ",
            "hits": 68
        }
    ]
}