Satellites

Satellites

Of or relating to any man-made object launched to orbit Earth or another celestial body.

Industry: Aerospace

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Satellites

Map projection

Aerospace; Satellites

Any systematic arrangement of meridians and parallels portraying the curved surface of a sphere or spheroid upon a plane.

Mask

Aerospace; Satellites

Any material or digital procedure used to obscure or define a part of the image.

Frame

Aerospace; Satellites

Any individual member of a continuous sequence of images.

Scan line corrector-off (SLC-off)

On May 31, 2003, the Scan Line Corrector (SLC), which compensates for the forward motion of Landsat 7, failed. Subsequent efforts to recover the SLC were not successful, and the failure appears to be ...

Greenwich mean time

Aerospace; Satellites

Mean solar time of the meridian of Greenwich, England (known as the prime meridian, longitude 0°), used by most navigators and adopted as the prime basis of standard time throughout the world. ...

Ground truth/ground observations

Aerospace; Satellites

Observations made on the ground at a site that is being imaged from space for the purpose of verifying either the absolute radiometric and/or geometric calibration of the imagery or the classified ...

Full aperture solar calibrator (FAC or FASC)

Aerospace; Satellites

One of two on-board external solar calibrators on Landsat 7 ETM+. The FASC consists of a nearly white panel, which is extended in front of the full aperture of the ETM+ as it ascends over the North ...