Begins work on Landsat program on July 23, 1970, revolutionizing Earth imaging.
On July 23, 1970, Valerie Thomas began her influential work on the Landsat Earth-imaging program, a pioneering project that provided the world with continuous global multispectral images of Earth’s surface. Her efforts in digital image processing helped transform the way scientists and governments analyze data for environmental, urban, and resource management, highlighting the critical role space technology plays in understanding and managing Earth’s resources.