Palkia Appears during Pokémon GO's Ultra Unlock Part 2: Space Event

Space has been distorted during the second event rewarding Trainers for their efforts during Pokémon GO Fest 2021.

Ultra Unlock: Space and Ultra Unlock: Time Details Revealed

Pokémon Go Ultra Unlock Time event and Timed Research guide - Polygon

Pokemon Go August 2021 Events: Ultra Unlocks, New Research Breakthrough, And More - GameSpot

Pokémon of Myth - Bulbapedia, the community-driven Pokémon encyclopedia

Space - Ultra Unlock Part 2 - Leek Duck

Pokémon GO Ultra Unlock Part 2: Space

Pokemon Go': Here's what to catch for the Ultra Unlock events

Pokemon Go Ultra Unlock Part 2: Space timed & field research tasks and rewards - Dexerto

Pokémon GO Ultra Unlock Part 2: Space