Spatial resolution is a key characteristic in remote sensing, where it’s often used to refer to the size of pixels within an acquired image. However this is a simplification as the detector in the satellite doesn’t see the square suggested … Continue reading
Category Archives: MODIS
Rosetta: Extra-terrestrial Observation
Most people will have seen last week’s news about ESA’s Rosetta spacecraft arriving at comet 67P/Churyumov-Gerasimenko and the animated images of the ‘rubber-duck’ shaped object taken from Navigation Camera (NavCam), part of Rosetta’s Attitude and Orbital Control System. The arrival … Continue reading
The Science Behind Springwatch
Last Wednesday Pixalytics made it’s TV debut on the BBC2 Springwatch programme, where they showed a video we’d made on phytoplankton blooms. The video was based on NASA MODIS-Aqua daily images. MODIS, or the Moderate-Resolution Imaging Spectroradiometer, is an optical sensor that’s … Continue reading