Space Junk Galaxy

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Space Junk Galaxy
Space Junk Galaxy.png
Area Fountain
How to unlock Get 9 stars and complete Bowser Jr.'s Robot Reactor.
Boss(es) Kamella
Comet(s) Speedy Comet
Purple Comet
Mission(s) Pull Star Path
Kamella's Airship Attack
Tarantox's Tangled Web
Pull Star Path Speed Run
Purple Coin Spacewalk
Yoshi's Unexpected Appearance
Music track(s) Space Junk Road
The Toad Brigade
Space Athletic
Airship Armada
A Tense Moment
Dino Piranha
Speedy Comet
Purple Comet
Space Fantasy
Stars Power Star icon from Super Mario Galaxy.Power Star icon from Super Mario Galaxy.Power Star icon from Super Mario Galaxy.Speedy CometPurple CometHidden Power Star
Galaxy icon The Phantom Boss Spider Zone, the Planet Rocket, the Star Dust Rolling Step A, a Lava Transparent Planet, and several plaforms from the Assembly Block Planet
Mario! My brigade boarded the enemy fleet, and none have returned!”
Toad Brigade Captain, Super Mario Galaxy

The Space Junk Galaxy is a galaxy in the game Super Mario Galaxy. Like its name implies, the Space Junk Galaxy contains lots of discarded space junk, including old rocket ships, floating debris, and various other objects and platforms. A spiral galaxy can be seen in the background.

The Pull Star is used much more here than in many of the other galaxies. Also, the Toad Brigade is found here on a large T-shaped platform covered in crystals; if Mario frees the Toads trapped in the crystals, the main Starshroom will appear to take Mario to the next location. There is also a hidden wooden planet shaped like Yoshi's head.

The last unique feature of this galaxy is that it has a path that builds itself when Mario approaches it, but crumbles after he leaves. This is later re-used in Bowser's Galaxy Reactor, except the path crumbles after a few seconds automatically.

Mario fights two bosses in this galaxy: Kamella and Tarantox.


Starting Planets[edit]

SMG Space Junk Galaxy Starting Planet.png
Mario starts here during the first mission.
Two Starshroom ships in the Space Junk Galaxy.
Mario starts here during the second mission.

The Star Dust Start Planet[1] is a small planet with a glass core. A metallic outer shell shaped like a square is attached to the core by small metal triangles. Its core resembles a miniature Star Dust Rolling Step A. Mario starts out on this planet in only 1 mission. In the others he starts on the Red and Yellow Starshrooms.

Star Dust Rolling Step A[edit]

Mario on the Star Dust Rolling Step A.

The Star Dust Rolling Step A[2] is a small prism-shaped planet made out of glass. It has two metal plates on either base. There are three Crystals that contain Star Bits on its surface.

G Capture Tutorial Zone[edit]

G Capture Tutorial Zone

These are two small fields of asteroids that Mario passes through in all of the missions but the second mission in the G Capture Tutorial Zone[3]. There are two fields one at the beginning of the galaxy and one near the Assembly Block area. Mario uses small paths of pull stars to navigate himself through the fields. Strangely one of asteroids in the first field is shaped like an "L". If Mario positions himself correctly he can land on these asteroids by using nearby planet's gravity, as these asteroids do not have their own gravity.

Lava Transparent Planet[edit]

Mario collecting Star Chips on one of the three Lava Transparent Planets.

The Lava Transparent Planets[4] are three spherical glass planets with Amps moving around them. These planets have a ring of metal around their surface and two metal plates on either side. There are five Star Chips moving about on these planets. After collecting the Star Chips, Mario can use a Launch Star to go to the Rocket Planet.

Planet Rockets[edit]

The Planet Rocket.

The Planet Rockets[5] are a disconnected pair of big, long, red-and-tan space ships floating around in space. One is encountered in the first mission of the galaxy, and the other in the third. They have two Crystals containing coins growing out of its portholes. On the one in the third mission, the end of the planet features a Sling Pod, along with a few Spoings and a Life Mushroom. These planets resembles Olimar and Louie's ship from Pikmin 2.

Blue Star Capsule Planets[edit]

Three Blue Star Capsule Planets

The Blue Star Capsule Planets[6][7] are three large, blue versions of the orb planets with Pull Stars inside of them. These planets act as large Pull Stars that Mario can walk on. The planets seem to amplify the power of the pull stars inside of them seen from the blue glow the planets emit. This means the player is able to grab onto any part of the planets with their cursor and be affected by the pull star. The third planet is a checkpoint.

T Shape Planet[edit]

Mario facing some Spoings on the T Shape Planet.

The T Shape Planet[8] resembles a tower. It contains some Spoings. It is also where Mario finds the Toad Brigade, all of them trapped in a Crystal. After Mario frees them all, the Starshroom will appear. Various items and a Goomba are also trapped in crystals. On the top of the Starshroom is a Sling Star, which will take Mario to the Assembly Block Area.

Assembly Block Planet[edit]

Mario on the main platform of the Assembly Block Planet.

The only static planet in the Assembly Block Planet[9] is the platform on which Mario starts out on, which contains a checkpoint. This planet somewhat resembles the starting planet of the galaxy. The "Space Junk" in this area is made up of Assembly Blocks. Here, Mario must move around to find that Assembly Blocks will help him by giving him a floor to walk on. There are five Silver Stars scattered about that, once collected, will combine to create a Power Star. The player however, must be very careful as to not fall off the Assembly Blocks and into a black hole. Later, a more stylized Assembly Block Area is used for a Purple Coin mission.


The Toad Brigade leader's view of the Airships.

In the second mission, several airships appear. Members of the Toad Brigade are trapped on the airships. Mario must hit a lever on the first airship to open the bridge, leading to a Sling Star and the second airship. The second airship has a Green Shell. Mario must throw the Green Shell at the Treasure Chest to unlock a Launch Star. The third airship has green shells, which Mario should throw at a few enemies on the fourth airship to open the bridge to it. The fourth and final airship is purple and red, different than the other airships. It is also where Mario must fight Kamella. Mario will get a Power Star for defeating Kamella. The first and third airships are checkpoints.

Small Maze Planet[edit]

The very shiny, treasure-filled Small Maze Planet.

The Small Maze Planet[10] is a planet that is encountered in the third mission shortly before the battle with Tarantox, and marks a checkpoint. At first, Mario walks on top of it, which is practically a transparent crystal orb. Once he finds the passageway in, he can go under the crystal layer and explore underneath, where there are 1-Up Mushrooms, coins, Star Bits, and Goombas. There is a Launch Star in this planet, which will blast Mario out of its glassy surface, and take him to the Rock Planet. There is also a Hungry Luma on the surface of the planet, which will take Mario to the Yoshi Head Planet. In the first mission, the Launch Star path from the Lava Transparent Planets to the Rocket Planet goes around this planet.

Grave Stone A[edit]

Grave Stone A

The Grave Stone A[11] is a planet mostly made of gray stone. It has a sort of arch, as seen in the picture. This planet is an entrance to Tarantox's lair and marks a checkpoint. The pre-boss music begins when Mario lands on this planet, and the Grave Stone B planet is nearby. Spoings also dwell here. To proceed, Mario must use the Sling Pod to launch the Toad to Grave Stone B, before launching himself also.

Grave Stone B[edit]

Grave Stones A and B of the Space Junk Galaxy
Grave Stone B and the end of Grave Stone A

Grave Stone B is a small block with a Sling Pod that launches Mario to the Planet Rocket, and contains a few Star Bits. The pink Toad found on Grave Stone A will thank Mario for saving him.

Grave Stone C[edit]

Grave Stone C

After launching from the Planet Rocket, Mario will land on Grave Stone C, which is an L-shaped platform that contains several Spoings. The player must use the Sling Pod at the end to launch Mario to the Phantom Boss Spider Zone.

Phantom Boss Spider Zone[edit]

The Phantom Boss Spider Zone, with its shell over it, just before Mario breaks it in half.

The Phantom Boss Spider Zone[12] is exceptionally large and looks like a giant version of the top of a Sling Pod. In fact, Mario uses a Sling Pod to get to the planet, breaking its shell open and revealing a giant sticky spider web, where he fights Tarantox, who is frozen inside the Sling Pod Planet. Several Coins are also stuck in the web, and can be freed using the Star Pointer to restore some of Mario's health during the battle. After defeating Tarantox, Mario will get a Power Star. There's also a green Toad inside the planet, stuck in a Sling Pod.

Yoshi Head Planet[edit]

The Yoshi's head planet in Space Junk Galaxy
The Yoshi Head Planet.

The Yoshi Head Planet[13] is a small wooden planet in the shape of Yoshi's head that shoots steam out of its nostrils. This appears to be the third reference to Yoshi in Super Mario Galaxy, the first being the Yoshi game file icon, and the second being the Yoshi Egg planet from the Good Egg Galaxy. This planet is home to a number of Goombas. These Goombas do not release any Star Bits or coins after they are defeated. When all of them have been destroyed by Mario, he will earn a hidden Power Star. In addition, when Mario defeats two Goombas in a row by jumping on top of them without touching the ground in between, a counting total will appear on the screen beginning with the number 2. If Mario can continue doing this until he defeats a total of eight Goombas, he will receive an extra life. Any further Goombas that are defeated without touching the ground will also earn additional extra lives for Mario. This is the only planet in the entire game on which this is possible.



Mission Image Summary

Pull Star Path SMG Space Junk Galaxy First Mission.png This mission's objective is to use many Pull Stars to cross the planets. The player must then collect five Silver Stars on the Assembly Blocks.
Kamella's Airship Attack Kamella This mission's objective is to defeat Kamella.
Tarantox's Tangled Web Tarantox spitting poison This mission's objective is to defeat Tarantox.
Pull Star Path Speed Run SMG Space Junk Galaxy Speed Run.png This mission's objective is to go through the Pull Star Path mission within a time limit.
Purple Coin Spacewalk SMG Space Junk Galaxy Purple Coins.png This mission's objective is to collect the Purple Coins.
Yoshi's Unexpected Appearance YoshiPlanet.png This mission's objective is to feed a Hungry Luma, then defeat all of the Goombas on the Yoshi Head Planet.


Names in other languages[edit]

Language Name Meaning
Japanese スターダストギャラクシー
Sutā Dasuto Gyarakushī
Star Dust Galaxy

Chinese 星尘银河
Xīngchén yínhé
Stardust Galaxy

French (NOA) Poussière d'Étoile
French (NOE) Poussière d'étoile
German Sternenstaub-Galaxie
Stardust Galaxy
Italian Galassia Polvere di Stelle
Stardust Galaxy
Korean 스타 더스트 갤럭시
Seuta Deoseuteu Gaelleoksi
Stardust Galaxy

Portuguese Galáxia Nebulosa
Nebula Galaxy
Spanish Galaxia Nebulosa
Nebula Galaxy


  • There appears to be unused data in the source code of the game for a Cosmic Mario race which was never added in the official release of Super Mario Galaxy, being replaced with the Speedy Comet mission instead, likely due to the Pull Stars. However, if the data for the Speed Comet mission is replaced by Cosmic Comet data, the mission can be played like a regular Cosmic Mario race.[14]
  • This is the only galaxy in the game to feature two timed Prankster Comets.
  • Early versions of the game had Space Junk Galaxy planets in other galaxies such as Good Egg Galaxy and Ghostly Galaxy.
  • Most planets in Tarantox's Tangled Web were present in the E3 2006 demo.


  1. ^ File name of the object (Partition 0/ObjectData/StarDustStartPlanet.arc).
  2. ^ File name of the object (Partition 0/ObjectData/StarDustRollingStepA.arc).
  3. ^ File name of the zone, GCaptureTutorialZone.
  4. ^ File name of the object (Partition 0/ObjectData/LavaTransparentPlanet.arc).
  5. ^ File name of the object (Partition 0/ObjectData/PlanetRocket.arc).
  6. ^ "Mario must navigate a Pull Star path around this galaxy, including a carefully executed swing through Blue Star Capsule Planet." — Pull Star Path Super Mario Galaxy trading card info
  7. ^ File name of the object (Partition 0/ObjectData/BlueStarCupsulePlanet.arc). Note that "capsule" is misspelled.
  8. ^ File name of the object (Partition 0/ObjectData/TShapePlanet.arc).
  9. ^ File name of the object (Partition 0/ObjectData/AssemblyBlockPlanet.arc).
  10. ^ File name of the object (Partition 0/ObjectData/SmallMazePlanet.arc).
  11. ^ File name of the object (Partition 0/ObjectData/GraveStoneA.arc).
  12. ^ File name of the zone, PhantomBossSpiderZone.
  13. ^ File name of the object (Partition 0/ObjectData/YoshiHeadPlanet.arc).
  14. ^ Galaxy Hacker (April 25, 2015). Super Mario Galaxy Unused Cosmic Mario Race in Space Junk Galaxy [FIXED]. YouTube. Retrieved April 13, 2017.