Argon

Argon is an atmospheric resource in Astroneer. It is a blue gas that is stored in a spherical canister. A blue ring on top indicates how much gas is left in the canister.Argon is also used in steel a resource that can be used for many things

Source
Argon can be found on the following planets using the :
 * : 50 ppu
 * : 100 ppu

Uses
Argon is used to craft the following items:

Trivia
Argon was found on Barren, now known as Desolo at 50ppu until Patch 1.0. It was likely changed due to Desolo not having an atmosphere.

Media
Argon Argón Аргон