The U.S. and India just launched NISAR, a powerful radar satellite that will be able to monitor changes in Earth's surface that are as small as a centimeter.

'The most sophisticated radar we've ever built': US-Indian NISAR satellite launches to track tiny changes on Earth's surface (video)

Source: space
Source Link: https://www.space.com/space-exploration/launches-spacecraft/the-most-sophisticated-radar-weve-ever-built-us-indian-nisar-satellite-launches-to-track-tiny-changes-on-earths-surface-video