Push broom imaging• Use only a linear array of detectors• Spacecraft motion sweeps this array along the

surface• Field of view sets Swath width• Number of pixels sets pixel-scale

Stereo Imaging

• Hyper-spectral imaging– Each pixel in the image has a spectra– Like taking hundreds of images at different wavelengths

How it works• Pushbroom imaging again– But with a 2D CCD array

Across-track pixelsAcross-track pixels

Band

s Bl

ue to

Red