Question

tell me about more of sentinels​

Answer 1

Sentinel-2 is an Earth observation mission from the Copernicus Programme that systematically acquires optical imagery at high spatial resolution (10 m to 60 m) over land and coastal waters. The mission is a constellation with two twin satellites, Sentinel-2A and Sentinel-2B.

Answer 2

Answer:

noun a person aur thing that watches or stands

as if watching. a soldier stationed

as a grade off challenge of comers and prevent

a surprise attack.

to stand sentinels