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Black Holes are galactic objects appearing in the Space Stage in Spore. They allow the player's spaceship to traverse large distances across the Galaxy in seconds. However, the player must possess a Wormhole Key in order to travel safely through it. Flying close to a black hole without the Wormhole Key will not result in ship destruction, but it will be impossible to pass through without the key.
Properly used, Black holes can be the fastest and easiest way to get around the Spore Galaxy, to almost any location. They are trumped only by the Return Ticket archetype ability, which instantly warps you to your home system. However, black holes are unpredictable, and for the unwary, they can be the fastest way to getting totally and completely lost.
However, as mentioned, the player is alone in this endeavour, as the connections and names are different for each person.
The player can toggle the Travel Trail option, which will leave a trail behind their ship every time it goes to a new star. Then, when the player is finished exploring the region of space, they can retrace their steps and go back to that black hole.
Some black holes lead to Hubs wherein 1-3 other black holes can be found within 20 or so parsecs. Exploring through all of these can allow the player to construct a vast empire spanning across the galaxy, exploring black hole networks can be demanding however. It is advised that players have a sizable empire wherein a few million sporebucks is negligible money as well as having unlocked terraforming tools Cloud Accumulator, Cloud Vacuum, Refrigeration Ray and Heat Ray.
A good tactic to use is by establishing a full colony in a nearby system. A player should bring colony packs, Uber Turrets and a diverse amount of plants and creatures to transform the planet into a T3 planet. By using these, a planet can have the ability to establish cities with turrets in all of the available slots, in addition to an Uber Turret. Building such colonies near black holes ensures that when the player goes exploring around a new galactic region there is always a handy colony nearby to repair and refuel at. These settlements also ensures that the player will not be lost as the planet can be easily detected. With full defenses and an Uber Turret, the player does not need to worry about protecting their network worlds.
A suggested rule of thumb for navigating the galaxy's black holes is to keep track of the coordinates of each black hole you come across (shown in angle and distance for any location the player is at by hovering above the space ship) and to jot down the coordinates of the black hole it connects to. For more dedicated players, using a coordinate map of the galaxy and drawing connection lines with a key may prove even more beneficial.
Turning on the Visited Systems filter will link black holes with their counterparts once both black holes have been traveled through.
On higher graphics settings, black holes have a gravitational lensing effect.
The player can also use the rename star cheat to rename black holes to tell you where they exit, for example, by naming it as the coordinates of the black hole it connects to.
Using the wormhole key, black holes are a popular strategy to reach the Galactic Core. Players receive a mission from their empire to "find the Grox" shortly after acquiring the Wormhole Key. The mission can be completed by traveling to a nearby black hole: the area is often marked by a blue arrow ranging from the home-world, and onwards towards the galactic centre should the black hole lead to the central region of the galaxy. The travel trail can be kept active to display the pathways of black holes the player has traveled through.