{
    "id": 4156,
    "url": "https://svs.gsfc.nasa.gov/4156/",
    "page_type": "Visualization",
    "title": "LRO and the Lunar Eclipse of April 15, 2014: Telescopic View",
    "description": "||  || eclipse.0001.jpg (730x730) [104.6 KB] || eclipse.0001.tif (1920x1080) [2.5 MB] ||",
    "release_date": "2014-04-10T00:00:00-04:00",
    "update_date": "2025-01-30T15:17:14.689383-05:00",
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        "alt_text": "The appearance of the Moon during the lunar eclipse at 10 seconds per frame. Displays LRO's orbit, its view of the Sun, and meters for the amount of sunlight LRO is receiving and the charge of its battery.",
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        "height": 180,
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    "main_video": null,
    "main_credits": {
        "Visualizations by": [
            {
                "name": "Ernie Wright",
                "employer": "USRA"
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    "progress": "Complete",
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            "description": "Typically, the Lunar Reconnaissance Orbiter ([LRO](https://science.nasa.gov/mission/lro/)) spacecraft flies over the night side of the Moon every two hours, spending about 45 minutes in darkness. Because LRO is powered by sunlight, it uses a rechargeable battery to operate while on the night side of the Moon and then charges the battery when it comes back around into daylight.\r\n\r\nDuring the total lunar eclipse of April 15, 2014, however, LRO emerges from the night side of the Moon only to find the Sun blocked by the Earth. LRO needs to travel an entire orbit before seeing the Sun again, relying continuously on its battery for almost three hours, longer than it ever has before.\r\n\r\nLRO won’t be in any real danger as long as its power consumption is handled carefully. Its scientific instruments will be turned off temporarily, while vital subsystems like the heater will remain on. LRO will be closely monitored throughout the eclipse.\r\n\r\nThis animation shows the Moon as it might look through a telescope on Earth, with LRO’s orbit, its view of the Sun, and a fuel gauge showing received sunlight and the battery’s charge.",
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                        "alt_text": "LRO's view of the Sun during the eclipse. The view is dark when the Moon is in the way. The frames include an alpha channel.",
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                        "height": 300,
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            "widget": "Basic text",
            "title": "For More Information",
            "caption": "",
            "description": "See [Lunar Eclipse Gallery](http://svs.gsfc.nasa.gov/Gallery/2014TotalLunarEclipse.html)",
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            "role": "Animator",
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                    "name": "David Ladd",
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                    "name": "Michelle Thaller",
                    "employer": "NASA/GSFC"
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        },
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            "role": "Project support",
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                {
                    "name": "Laurence Schuler",
                    "employer": "ADNET Systems, Inc."
                },
                {
                    "name": "Ian Jones",
                    "employer": "ADNET Systems, Inc."
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            "credit": "",
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            "date_range": null
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            "credit": "",
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            "date_range": null
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        {
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            "platform": "LRO",
            "sensor": "LROC",
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            "description": "",
            "credit": "",
            "url": "",
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    "related": [
        {
            "id": 4157,
            "url": "https://svs.gsfc.nasa.gov/4157/",
            "page_type": "Visualization",
            "title": "Lunar Eclipse of April 15, 2014 As Viewed from the Moon",
            "description": "In the early morning hours of April 15, 2014, the Moon enters the Earth’s shadow, creating a total lunar eclipse. When viewed from the Moon, as in this animation, the Earth hides the Sun. A red ring, the sum of all Earth’s sunrises and sunsets, lines the Earth’s limb and casts a ruddy light on the lunar landscape. With the darkness of the eclipse, the stars come out.The city lights of North and South America are visible on the night side of the Earth. The part of the Earth visible in this animation is the part where the lunar eclipse can be seen. || ",
            "release_date": "2014-04-10T00:00:00-04:00",
            "update_date": "2023-05-03T13:51:00.549362-04:00",
            "main_image": {
                "id": 456601,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004100/a004157/eclipse.0570.jpg",
                "filename": "eclipse.0570.jpg",
                "media_type": "Image",
                "alt_text": "With the lunar horizon in the foreground, the Earth passes in front of the Sun, revealing the red ring of sunrises and sunsets along the limb of the Earth. The \"No Stars\" frames omit the starry background and include an alpha channel.",
                "width": 1920,
                "height": 1080,
                "pixels": 2073600
            }
        },
        {
            "id": 4158,
            "url": "https://svs.gsfc.nasa.gov/4158/",
            "page_type": "Visualization",
            "title": "Lunar Eclipses and the Moon's Orbit",
            "description": "The animations on this page illustrate the Moon’s orbit and its role in lunar and solar eclipses. A solar eclipse happens when the Moon’s shadow falls on the Earth, while a lunar eclipse happens when the Earth’s shadow falls on the Moon.Eclipses can only happen at New and Full Moon, when the Earth, Moon, and Sun are all in a straight line. But they don’t happen every New and Full Moon, because the Moon’s orbit is tilted by about 5 degrees. As the Earth and Moon travel around the Sun, the tilt of the Moon’s orbit changes direction relative to the Sun.This is analogous to the way the tilt of the Earth causes seasons. Just like winter and summer happen every six months, eclipses tend to occur on a roughly six-month cycle.Unlike most eclipse shadow diagrams, the first three animations here don’t greatly exaggerate the scale of the Earth and Moon. They are only 2x their true scale. The view is exactly perpendicular to the Earth-Sun line. The angle of the Moon’s orbital tilt and the “tapering” of the shadows are both accurate. The orbit happens to be calculated for the months preceding the April 15, 2014 total lunar eclipse. || ",
            "release_date": "2014-04-10T00:00:00-04:00",
            "update_date": "2023-05-03T13:51:00.773818-04:00",
            "main_image": {
                "id": 456617,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004100/a004158/tilt.1200_preview.jpg",
                "filename": "tilt.1200_preview.jpg",
                "media_type": "Image",
                "alt_text": "Initially viewed from overhead, the Moon orbits the Earth until it appears to enter the Earth's shadow. The view then rotates down into the ecliptic plane, showing that the tilt of the Moon's orbit causes it to miss the Earth's shadow. The movie fast-forwards several months, showing the rotation of the Moon's orbital plane with respect to the Sun, until the Moon really does enter the Earth's shadow.",
                "width": 800,
                "height": 450,
                "pixels": 360000
            }
        },
        {
            "id": 11516,
            "url": "https://svs.gsfc.nasa.gov/11516/",
            "page_type": "Produced Video",
            "title": "Understanding Lunar Eclipses",
            "description": "What can cause the full Moon to quickly darken, then glow red? A lunar eclipse: a striking display of orbital mechanics that occurs when the Moon passes through the Earth's shadow. To learn more, watch the video below. || ",
            "release_date": "2014-04-08T08:00:00-04:00",
            "update_date": "2023-05-03T13:51:01.765615-04:00",
            "main_image": {
                "id": 456516,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011500/a011516/lunar_eclipse_thumbnail_5.png",
                "filename": "lunar_eclipse_thumbnail_5.png",
                "media_type": "Image",
                "alt_text": "It's not often that we get a chance to see our planet's shadow, but a lunar eclipse gives us a fleeting glimpse, as the Earth's shadow is projected onto the full Moon over the course of a few hours. Though a lunar eclipse can be seen only at night, it's worth staying up to catch the show.For complete transcript, click here.Watch this video on the NASAexplorer YouTube channel.",
                "width": 1280,
                "height": 720,
                "pixels": 921600
            }
        },
        {
            "id": 11514,
            "url": "https://svs.gsfc.nasa.gov/11514/",
            "page_type": "Produced Video",
            "title": "Need To Know: Lunar Eclipse and LRO",
            "description": "On April 15th, 2014 there will be a total lunar eclipse visible from North America.  Noah Petro, LRO Deputy Project Scientist, discusses this unique event and what effect it will have on the Lunar Reconnaissance Orbiter (LRO). || ",
            "release_date": "2014-04-08T06:00:00-04:00",
            "update_date": "2023-05-03T13:51:01.947979-04:00",
            "main_image": {
                "id": 456859,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011500/a011514/G2014-031_LunarEclipseLRO_MASTER_youtube_hq_web.png",
                "filename": "G2014-031_LunarEclipseLRO_MASTER_youtube_hq_web.png",
                "media_type": "Image",
                "alt_text": "NASA scientist Noah Petro sheds some light on the April 15th lunar eclipse which will leave the Lunar Reconnaissance Orbiter (LRO) in darkness for several hours.  He explains what a lunar eclipse is, and what this one will look like from Earth.  Noah also provides details on the LRO mission, and how the spacecraft will function during this event. For complete transcript, click here.Watch this video on the NASAexplorer YouTube channel.",
                "width": 180,
                "height": 320,
                "pixels": 57600
            }
        },
        {
            "id": 4155,
            "url": "https://svs.gsfc.nasa.gov/4155/",
            "page_type": "Visualization",
            "title": "LRO and the Lunar Eclipse of April 15, 2014: Shadow View",
            "description": "In the early morning hours of April 15, 2014, the Moon enters the Earth’s shadow, creating a total lunar eclipse, the first of four that are visible in the Western Hemisphere in the next two years. This animation shows the changing appearance of the Moon as it travels into and out of the Earth’s shadow, along with the times at various stages. Versions of the animation have been created for each of the four time zones of the contiguous United States.All of North and South America will see this eclipse, and you won’t need special equipment to see it. Just stay up late, go outside and look up!The penumbra is the part of the Earth’s shadow where the Sun is only partially covered by the Earth. The umbra is where the Sun is completely hidden.The animation includes the position of the Lunar Reconnaissance Orbiter spacecraft. LRO is powered by sunlight, but during the eclipse, it will have to rely on its battery for almost three hours. || ",
            "release_date": "2014-04-07T00:00:00-04:00",
            "update_date": "2023-05-03T13:51:02.347814-04:00",
            "main_image": {
                "id": 456764,
                "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004100/a004155/eclipse_mdt.0670_print.jpg",
                "filename": "eclipse_mdt.0670_print.jpg",
                "media_type": "Image",
                "alt_text": "Mountain Daylight Time (MDT). The Moon moves right to left, passing through the penumbra and umbra, leaving in its wake an eclipse diagram with the times at various stages of the eclipse. Includes LRO's orbit.",
                "width": 1920,
                "height": 1080,
                "pixels": 2073600
            }
        }
    ],
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}