Earth-observing satellites

Pushing the boundaries of radar satellite imaging

July 1, 2023

When imaging a ground target, the amount of detail a synthetic aperture radar satellite can depict depends in part on how long it can observe the target. One of the commercial leaders in the field, the Finnish company ICEYE, has nearly tripled how long each of its satellites can observe a target. ICEYE’s John Cartwright explains the history of its Dwell product inaugurated in May.

Space traffic impasse

By Debra Werner

May 1, 2020

Europe and Japan are leading the way toward cleaning Earth orbit of debris; satellite operators around the world must be ready to dodge debris and each other. It’s a chaotic situation that, to some, feels like an abdication of the U.S. government’s traditional leadership role in matters of space at a time when it’s never been more needed. Debra Werner examines the arguments and a potential solution.

Targeting methane

By Adam Hadhazy

February 1, 2020

No longer the sole purview of government space agencies and researchers, methane monitoring from space is emerging as a private-sector enterprise, with potential benefits for industry as well as climate science. Adam Hadhazy checks in with the market leaders.