Original sentence: The Stargate satellite was originally meant to be a moon-sized satellite sent to destroy Lantea, but was dropped in favour for the Stargate satellite to destroy Atlantis, since a previous episode "Echoes" interpreted the saving Lantea, and Brad Wright deemed its proposed destruction inappropriate
Edited sentence: The Stargate satellite was originally meant to be a moon-sized satellite sent to destroy Lantea, but was dropped in favour for the Stargate satellite to destroy Atlantis, since a previous episode "Echoes" involved the saving of Lantea, and Brad Wright deemed its proposed destruction inappropriate