Planet 4546B
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Read at own risk This article contains unmarked spoilers. Players new to the game would want to avoid or be cautious toward this article. |
Planet 4546B is the planet on which the Aurora and the Degasi crash-landed, and is where the story of Subnautica takes place.
The Planet was set up as a research outpost by the Precursor Race meant to study a bacterium called the Kharaa Bacterium. The Kharaa Bacterium is a highly infectious alien bacterium discovered by the Precursors during the exploration of another world and set up research outposts on planets to find a cure. 4546B is one of these outposts. and bases
Overview
Planet 4546B is located in the outer reaches of the Ariadne Arm, orbiting around the star 4546. The “B” means that 4546B was the first planet discovered around the star 4546 (or 4546A). It also harbors two moons, one being very close to the planet, causing frequent solar eclipses.
There are three known major ecosystems on the planet: the Crater, Sector Zero, and the Dead Zone, the latter of which covers the majority of the planet.
The known planet is almost completely covered in water, except for a few islands, and features a variety of submerged biomes. The Aurora is located a few meters above the surface, in relatively shallow water.
The Crater features a full ecosystem of flora and fauna. However, this is only a very small area of the planet, located in a dormant volcanic crater, approximately 2km in diameter. The Arctic supports a nearly completely different ecosystem, harboring more creatures and plants adapted to the colder temperatures. The rest of the ocean is known as the Crater Edge, it is extremely deep and nearly devoid of life, supporting only microscopic life forms, and Ghost Leviathans. It is unknown whether any similar areas of life exist elsewhere other than the Crater and Arctic.
Precursor and PDA data make note of high thermal activity from the planet's core. This is evidenced by the Inactive Lava Zone and Lava Lakes, respectively. The Precursors took advantage of this feature, installing the Alien Thermal Plant within the Lava Castle, which allowed the generator to harness the planet's natural thermal energy.
A day and night cycle on Planet 4546B lasts about 20 minutes of real time.
Story
Around 1000 years ago, the Precursor Race arrived at Planet 4546B, setting the planet up as a research outpost in order to find a cure for the Kharaa Bacterium.
Following Ryley's return to Alterra, the aforementioned company installed Vesper Station to orbit 4546B to harness its natural resources and conduct research on the secrets the planet holds.
See Storyline for further information.
Data Bank Entry
| 4546B Environment Scan |
| <poem>- Category 3 Ocean planet - Oxygen/Nitrogen Atmosphere Safety Warnings: It is not recommended to explore this environment without hazardous material suits and extensive support apparatus.</poem> |
| Source: Repair Lifepod 5 |
Gallery
A view of the ocean on the planet.
A view from under 4546B's large extending ocean
Planet 4546B's closer and larger moon.
The second moon of Planet 4546B.
Both of the moons at night.
A solar eclipse
Another view of a solar eclipse.
The frozen continent on the other side of the planet.
4546B from space
Trivia
- Planet 4546B is most likely located in the Habitable Zone, a section in a planetary system where life can thrive.
- However, given the size of the planet's parent star, 4546, seen during the loading screen, it is not possible for Planet 4546B to be within the Habitable Zone. However, the in-game star appears to be closer than in the loading screen. This is most likely a developer oversight, or purely artistic representation.
- Another likely explanation is that the star 4546 is actually behind the viewer's perspective, out of the image.
- Planet 4546B may be based on the real-life planet Gliese 1214B, as both appear similar in appearance, and are both "water worlds".