Topic

Earth Observation

2 questions tagged Earth Observation β€” spanning every one of the seven Ws.

what

What is a polar orbit?

A polar orbit is an orbit that passes over or near Earth’s poles. It lets satellites scan nearly the entire planet as Earth rotates beneath them.

AstronomyEarth Observation
what

What is a sun-synchronous orbit?

A sun-synchronous orbit is a near-polar orbit that crosses the same local solar time on each pass. This gives satellites consistent lighting for imaging Earth.

AstronomyEarth Observation