Communications/Radar

You need first to build a Comms Satellite.

It lets you see all the fleets moving into the same system as the planet where you built it. They are visible in the Radar tab.

You can also see them in your planet's Communication Menu, which also gives you the ability to scan planets:planets.

Resource Scan
The Resource Scan lists detailed planet resource and space information. It includes the planets abundance percentages of resources and the planets available land and orbital space.

( 500 per scan.)

Surface Scan
The Surface Scan lists all the information provided in the Resource Scan in addition to all buildings, Colonists and Soldiers currently stationed on the planet.

( 1000 per scan.)

Fleet Scan
The Fleet Scan lists all ships currently orbiting the planet or going to the planet.

( 2000 per scan.)