Inside NISAR, NASA's breakthrough Earth-mapping radar satellite

Seeing through vegetation from space with dual radar

Dr. St. Germain explains how dual-frequency radar wavelengths penetrate vegetation to track land subsidence and coastline shifts day or night.

How NASA Radar Sees Through Forests

80 terabytes of open data every single day

NASA's NISAR mission will return 80 terabytes daily, making the open-access data available for emergency responders and farmers worldwide.

NASA's 80 Terabytes a Day Satellite

Spotting volcano bulges before they erupt

Measuring centimeter-scale ground movement helps scientists identify volcanic swelling, earthquake precursors, and landslide risks before disaster strikes.

Detecting Volcanoes and Earthquakes Early

A 39-foot radar catcher's mitt orbiting Earth

Dr. St. Germain describes how the 39-foot reflector transmits and captures reflected radar pulses to create high-resolution maps of Earth.

The Giant Catcher's Mitt Antenna in Space

[01:15] How NASA Radar Sees Through Forests
[02:43] NASA's 80 Terabytes a Day Satellite
[03:26] Detecting Volcanoes and Earthquakes Early
[08:17] The Giant Catcher's Mitt Antenna in Space

Inside NISAR, NASA's breakthrough Earth-mapping radar satellite

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