Similar to ships, a planet can be fortified with weapons. These weapons will shoot at hostile ships in orbit of that planet. Planetary defense is made up of 3 special types of facilities that you can build on a planet. These are “Light Turret”, “Heavy Turret” and “Shield Generator”. Each of these facilities automatically grows stronger with the current Planetary Defense Tech-Level researched.
Heavy Turret:
Units = 2000
Light-Firepower = 200
Heavy-Firepower = 1000
Shield Generator:
Units = 3000
Shield-Strength = +40%
You decide the strength of the Planetary Defense for each planet by building the desired amount planetary defense facilities. The only limit for planetary defense is the amount of available space on a planet.
You can find the planetary defense overview of each planet in the upper right corner of the Planet-View Screen.
In this example the planet has got some basic planetary defense already. The total of 5000 units is further strengthened by the presence of a Shield-Generator, which amplifies the effective hitpoints during a battle by 58%, resulting in 7900 effective hitpoints.
The presence of light and heavy turrets make sure the planet shoots back at hostile ships. In this case there is a total light firepower of 1152, and a total heavy firepower of 288 ready to be shot at your enemies (light and heavy) ships.
A planet does not need to be given the attack order. It will always automatically fire at ships that have arrived in orbit, if you are at war with that player.
As mentioned above, the strength of your existing Planetary Defense facilities grows by researching technologies down the Planetary Defense branch. There are 8 tech-levels, each of them increases the strength-bonus of your facilities.
This basically works the same way as ship vs ship battle. Except this time only the bombing weapons of the ship are relevant. The bombing firepower of a ship aims to destroy the planet-defense units/hitpoints. At the same time the planets light and heavy turrets will fire back at the ship. As always, if the attacking ship is of type light-class, then the light turrets of the planet will be more effective. On the other hand if the attacking ship is a heavy-class type ship, then the heavy turrets will be more effective.
Depending on the damage inflicted by the ship-bombs, collateral damage may occur on the planet. This means that citizens and stationed military might get killed, but also facilities can get destroyed during a bombing run.
If an attacking fleet fails to destroy all a planet’s hitpoints, and then moves away, the planet’s hitpoints are completely and instantly repaired.
manual\planetary-defense.txt · Last modified: 2012/02/26 22:17 by nongolf