Space Junk Galaxy
Space Junk Galaxy is the first accessible galaxy in the Fountain.
This galaxy is comprised of many micro-planets that are often connected by pull stars and sling pods. This galaxy is also home to one of the game's airship levels, a staple in older Mario games.
List of Stars
Any% Stars
Space Junk 2 - Kamella's Airship Attack
Space Junk Comet - Pull Star Path Speed Run
"Going Commando" Route Exclusive
Space Junk 3 - Tarantox's Tangled Web
Non-Any% Stars
Space Junk Purple - Purple Coin Spacewalk
Space Junk Secret - Yoshi's Unexpected Appearance
Routing Info
Space Junk Galaxy is accessible after the player has collected 9 stars.
space junk 1 might be required, someone else confirm
Completion of Space Junk 3 is required to access Sling Pod Galaxy.
Space Junk Comet will appear through comet cycles after completing (I assume space junk 1)
Space Junk Purple will appear through comet cycles after completing Bowser's Galaxy Reactor.