Landsat 8 Overview

Credits

• Animators

  • Tyler Chase (USRA) [Lead]
  • Chris Meaney (KBR Wyle Services, LLC)

• Writers

  • Aries Keck (ADNET Systems, Inc.)
  • Matthew Radcliff (KBR Wyle Services, LLC)

• Video editors

  • Matthew Radcliff (KBR Wyle Services, LLC)
  • Michael Randazzo (Advocates in Manpower Management, Inc.)

• Scientist

  • James R. Irons (NASA/GSFC)

• Interviewees

  • Del Jenstrom (NASA/GSFC)
  • Doug C. Morton (NASA/GSFC)
  • James R. Irons (NASA/GSFC)

• Producer

  • Matthew Radcliff (KBR Wyle Services, LLC)

• Narrator

  • Aries Keck (ADNET Systems, Inc.)

• Videographers

  • Michael Randazzo (Advocates in Manpower Management, Inc.)
  • Rob Andreoli (Advocates in Manpower Management, Inc.)

Related Pages

• Related

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    ID: 12851 Produced Video

    5th Anniversary of Landsat 8's Launch

    Feb. 9th, 2018
    (updated May 3rd, 2023)

    In its five years in space, Landsat 8 made 26,500 orbits around Earth and captured 1.1 million "scenes" of our home planet, representing 16 percent of all the observations kept in the 45-year Landsat archive.Music: Divine Punishment by Christopher Franke [BMI]Complete transcript available. || 12851_Landsat8_5_year_large.01975_print.jpg (1024x576) [50.2 KB] || 12851_Landsat8_5_year_large.01975_searchweb.png (320x180) [7.1 KB] || 12851_Landsat8_5_year_large.01975_thm.png (80x40) [1.4 KB] || 12851_Landsat8_5_year_prores_1920.mov (1920x1080) [4.7 GB] || 12851_Landsat8_5_year_prores_1280.mov (1280x720) [2.5 GB] || 12851_Landsat8_5_year_large.mp4 (1920x1080) [191.3 MB] || 12851_Landsat8_5_year_youtube_1080.mp4 (1920x1080) [327.2 MB] || 12851_Landsat8_5_year_youtube_720.mp4 (1280x720) [315.6 MB] || 12851_Landsat8_5_year_twitter_720.mp4 (1280x720) [53.5 MB] || 12851_Landsat8_5_year.webm (960x540) [76.4 MB] || 12851_Landsat8_5_year-captions.en_US.srt [3.8 KB] || 12851_Landsat8_5_year-captions.en_US.vtt [3.8 KB] ||

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• Sources

  • 

    ID: 12754 Produced Video

    Landsat sensors: pushbroom vs whiskbroom

    Oct. 31st, 2017
    (updated May 3rd, 2023)

    Landsat collects images in long narrow strips called “swaths.” Each swath is 185 kilometers (115 miles) wide and is 2,752 kilometers (1,710 miles) from the next adjacent swath taken that day. It takes 16 days for the swaths to overlap enough to image the whole Earth.Previous Landsat sensors swept back and forth across the swath like a whisk broom to collect data. The sensor looked at a calibration source at the end of every row, which means that measurements were consistent from orbit to orbit. But this sensor design requires fast-moving parts, which are more likely to break.—and which did on Landsat 7.In contrast, the instruments on Landsat 8 view across the entire swath at once, building strips of data like a pushbroom. This approach requires no moving parts and gives the sensor detectors greater dwell time. The pushbroom instrument is smaller and lighter than previous whisk broom instruments, but its calibration is much more complex given the large number of detectors.“It was a natural step to evolve to a pushbroom sensor. The technology was proven on other satellites, and we knew we could get better accuracy. The pushbroom has no moving parts. It is a newer and more reliable technology.” explains Terry Arvidson, senior project engineer.For more information on the future of Landsat instruments, read https://landsat.gsfc.nasa.gov/landsat-9/instruments/. ||

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