00:00Iron thrusters, however, use not only Xenon, but also other substances.
00:05For example, Starlink used Krypton for a long time and switched to Argon for their V2 satellites.
00:13And Pulsion, in turn, takes a different approach and used Indium for their market-leading iron
00:19thrusters.
00:21The bottleneck with such engines is often not the fuel, but the energy that is available
00:27or can be generated during the mission.
