Falcon 9 abort seen from press site

This is the first of three planned Falcon 9 missions Amazon booked for its internet relay satellites. Liftoff is scheduled for 2:30 a.m. EDT (0630 UTC) from pad 40 at Cape Canaveral Space Force Station.

The last planned batch of high-resolution SkySat commercial Earth-viewing reconnaissance satellites owned by Planet will accompany 58 Starlink broadband relay stations on a climb into orbit Tuesday from Cape Canaveral on top of a SpaceX Falcon 9 rocket, adding to the world’s two largest commercial satellite fleets.

Sara Seager is an astrophysicist and planetary scientist at MIT, and she serves as deputy science director on NASA’s Transiting Exoplanet Survey Satellite, which aims to find planets around stars relatively close to the sun, searching for worlds that are ideal follow-up targets for missions like the James Webb Space Telescope.