Question

what is satalight and what their work.

Answer 1

It is Satellite . It revols around earth

Answer 2

The mechanic and computer advance machine that orbits a planet or other heavenly body to collect, analysis, manage develop, stores, edits, shares displays, any geographic information or other information.
These are two types:
1) natural satellite
2)man -made satellite or artificial satellite
The artificial satellite are of two types :
1) Geo - stationary satellite (stationary with respect to a fixed place)
2)Orbiting satellite (revolves around the planets)
The speed of satellite =( centrifugal force = gravitational force of planet)
Hope it will help you
Please mark as brainliest for this helpful answer