Remembering Virginia Norwood, the ‘mother’ of NASA’s Landsat program
However, she faced numerous obstacles in securing a spot for her Multispectral Scanner System on the launch satellite. It was already hauling an enormous three-camera system developed by RCA using television tube technology, which the agencies viewed as the primary imaging source. To get the MSS onboard, Norwood was tasked with scaling back its size to no more than 100 lbs, a significant downsizing; the RCA system took up most of the satellite’s 4,000 lb. payload.
She reduced the device to recording only four energy bands to ensure it would make the trip as a secondary measurement system. The satellite launched on July 23rd, 1972, and the MSS captured its first images — of Oklahoma’s Ouachita Mountains — two days later. The results exceeded all expectations, forcing a quick reevaluation of the satellite payload’s hierarchy.
Landsat quickly became the de facto method of surveying the Earth’s surface. Norwood continued to improve the system, leading the development of Landsat 2, 3, 4 and 5.and 9, the current versions monitoring the effects of climate change today, are still based on her initial concept. Her other projects included leading the microwave group in Hughes Aircraft’s missile lab and designing the ground-control communications equipment for NASA’s Surveyor lunar lander.
She reportedly had no issue with the “the mother of Landsat” moniker her peers gave her. “Yes, I like it, and it’s apt,” she said. “I created it, I birthed it, and I fought for it.” All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission. All prices are correct at the time of publishing.
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