Asteroids
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 Space Age expansion exclusive feature.

Asteroids are floating minerals found in space. There are four types of asteroids in Space Age: metallic, carbon, oxide and promethium. They are immediately seen when the player is present at a space platform. If a space station is being boosted through space with a thruster, asteroids are encountered much faster. When an asteroid collector is present at a space station, small asteroid chunks can be collected for its chunks of resources. The resources collected from asteroid chunks can be fed into a crusher, grinding the chunks into useful resources.
When traveling through space, the space platform can enter a dangerous asteroid field, where many asteroids can hit the player's platform and destroy it. This means that turrets with well-stocked ammunition and asteroid collectors should be properly placed around a platform to ward off the asteroids.
The density of asteroids can be seen by going to the Remote View > Surfaces > Space Map and alt-clicking on the interplanetary route to bring up the route in Factoriopedia, or by searching "route". The graph will show a white vertical line overlay on the asteroid graph corresponding to the ship's position when underway.
Asteroid Types
| Name | Info | 
|---|---|
| Asteroid Chunks | Can be grabbed by the collectors.
 Do not have health and are instantly destroyed on contact with the space platform. Do no damage.  | 
| Small Asteroids | Do not spawn naturally. Produce chunks on destruction.
 Do small damage on contact with the space platform. 
 
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| Medium Asteroids | Spawn in space and in orbit af planets other than Nauvis. Split into small asteroids when destroyed.
 Do medium damage. Can destroy several foundations before expiring. 
 Resistances: 
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| Big Asteroids | Spawn in space beyond Fulgora. Split into medium asteroids when destroyed.
 Do large amount of damage. Can go right through the space platform destroying everything on its path. 
 Resistances: 
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| Huge Asteroids | Spawn in space beyond Aquilo. Split into large asteroids when destroyed.
 Will absolutely destroy the space platform if it is not equipped with a turret 
 Resistances: 
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Asteroid Chunks
Asteroid chunks are the smallest asteroids found in the game. They are the only source of resources in space, so a platform should be equipped with asteroid collectors and crushers to have any kind of sustainability. Just like any asteroids, they come in four variations:
- Metallic - can be processed into iron ore. After the advanced asteroid processing is researched, can also produce copper ore.
 - Carbonic - can be processed into carbon, and later additionally into sulfur.
 - Oxide - can be processed into ice, and later additionally into calcite.
 - Promethium - cannot be processed, goes directly as a component to the promethium science pack.