Problem: Landsat 7 travels with a ground speed of 6.47 km/sec in a 705 km altitude circular sun synchronous orbit. It collects data across a ~185 km wide swath (6,000 pixels multiplied by a pixel size of about 30 meters per pixel) which is centered on the nadir track. a. To perform the whiskbroom scan in the cross-track direction, how large an angle does the mirror scan from nadir? b. If the FPA for each spectral band is only 16 pixels long, what is the maximum time duration for each cross-track scan, if there are to be no gaps in coverage? Ignore the effects of the scan line corrector mirror. Need Assignment Help?