There are over 8 million planets to be discovered in Galaxy Legion, and what makes each one different is its Planet Type, Planet Size, the resources that it produces, and its name, of course.
Your ship's computer is equipped with an initially empty planet database. The planet database stores the location and meta-data for planets that you currently have scanned. Currently scanned planets are listed on the "PLANETS" tab of your main console. From the PLANETS tab, you can scan for new planets, select an individual planet for details/options, and sort or filter the list of planets.
Sorting and Filtering List of Planets
Sort the list of planets by ascending or descending order by clicking on the column headers. The filter is applied real-time and filters simultaneously by planet name, size, type, best resource, and control. For example, entering "you volc very" as the filter will cause only volcanic planets controlled by you which have a very something best resource or a very something size (it's also possible that a planet has the string "volc" or "you" as a substring somewhere in the planet name). The order of different words in the filter does not matter, and the strings are not case-sensitive, so the following filters are all functionally equivalent: "icy large", "LARGE ICY", and "lArGe ICy".
Adding Planets to the Database
There are 6 known methods to add a planet to the database:
- Scanning for new planets. This is a stochastic process described in the following section.
- Sharing planet locations. Legion members may "alert" a planet location to other members of the same legion. This functionality is based on heavily regulated and leased scan-link channels; planets added under this method are only temporarily available to all legion members, and will be removed after a specific amount of time. If the planet is colonized (or invaded then colonized) by a particular recipient during this window, then its location will remain in the colonizing user's planet database.
- Using the Alien Star Chart Artifact. This artifact adds a random planet to your planet database, and is assumed to be equivalent to a single successful scan. Due to the high cost (in materials and expertise) and relatively low demand of producing these artifacts, there is no known existing production of this artifact; new instances are not expected to be available through artifact drops or Galaxy markets.
- Hacking an enemy ship's database. The planet database is typically maintained in an isolated enclave of the ship's computer with periodic synchronization. It is rare, but the results of a successful hack may coincide with synchronization which will allow planet data to be hacked. The result is that both ships will now have the same planet scanned.
- Daily Rewards. It is rumored (and possibly a myth) that planet information is returned on extremely rare occasions as a Daily Reward. The probability of this event is considered to be virtually zero for all intents and purposes.
- Special Missions. Special mission may return planet information. High rank missions even unlock the discovery of new TYPES of planets (Aphotic and Ecumenopolis, etc). The other canonical case of this is the special planet "Exotica" as a reward for completion of the mission "Ruler of Exotica".
Scanning for New Planets
For those wishing to do a mass scan session or a scan fest, read the Scan Blitz for more detailed information on how it can be done properly.
To scan for new planets, click the "Scan for New Planets" button on the "PLANETS" tab of your main console. The scanning processes consumes Energy and is probabilistic in nature. The probability stated on the console represents the ship's computer's calculated odds that a planet will be identified by the scan. The nature of the flux and related scanning technology allow for a sufficiently accurate calculation of this probability.
Once a planet is identified, the ship's scanners attempt to isolate and analyze the planet. Whether this 2nd scan is successful is a function of your scanning power and the identified planet's cloak. The exact nature of this function is not known, but it has been proposed by high-rank scientists, and confirmed by empirical observations, that this scan-cloak function is indeed probabilistic and of the form: A - B*(cloak/scan) as opposed to a simple add-subtract of scan versus cloak abilities. The actual probability of the overall scan is the stated scanning probability multiplied by the results of the scan-cloak function; therefore, the stated scanning probability is an upper-bound on the actual probability.
Since the 2nd scan function depends on the specific identified planet, your ship computer is unable to report the overall scanning probability prior to the scan. Depending on the results of the scan-cloak function, the identified planet may or may not have enough cloak to remain hidden from the scan after the identification. If the planet is successfully identified, and then successfully isolated/analyzed, the overall scan is considered successful, and the planet is added to your planet database.
Your ship must maintain active scan links with all scanned planets, so the planet identification probability decreases as the number of successfully scanned planets increases. More and more scanning power is needed to maintain more and more active scan-links.
Removing Planets from the Database
Removing a planet from your planet database deactivates active scan links, thus increasing your planet identification probability. Planets are removed from your database when:
- You use a Star Chart Purger artifact on the planet. You cannot use a Star Chart Purger on a planet that you currently control.
- A player uses a Planet Flux artifact on the planet. The Planet Flux artifact disrupts any existing active scan links to the planet, effectively removing it from all databases which have it scanned. This leaves the user of the Planet Flux as the only user who has the planet scanned.
- A planet alert lease expires.
Number of Planets in the Galaxy
The total number of planets in the galaxy has grown as the number of players has increased. However, the displayed value on the planet scan tab in the game is infrequently updated. Changes can be tracked in this forum topic, but here is a rough outline of the history of galactic expansion:
30sep2011: 1,938,505 (after Dan's kick)
30sep2011: 1,405,300 (at least 4 months)
|Planet||Rank Required||Colonization Cost||Invasion Cost|
You are limited in how many planets you can occupy by your current rank. The limit is one planet, plus one per four ranks you have achieved. (i.e. N=(Rank/4)+1)
- with the exception of the 3 Drannik Colony Ships. This artifact has the effect that: Planet +1 to number of planet colonies for your rank. The artifact can NOT be used on gas, toxic, volcanic, or shared planets. Keep in mind that while planets colonized by these ships do not count against your limit, and do not cost you credits as regularly colonized planets, you also do not get the planetary storage bonuses that regular planets provide.
Colonizing a planet, whether peacefully or through invasion, also costs credits. The cost is dependent on how many planets you have already occupied, and it costs twice as much to invade a planet as it does to colonize an unoccupied planet.
Based on this data, Kurisu has established a formula which seems to accurately predict colonization costs for those wishing info not verified in the above table:
n = number of planets currently colonized
x = number of planets you will have after the next colonization
n = x - 1
p(x) = (n^3 + 3n^2 + 3n + 1) * 1000
or quite simply put: (n+1)^3 * 1000
Remember that invasion costs will still be double what is calculated by the above formula.
Types of Planets
A planet comes with a variety of resources that can be produced, and the type of planet you find determines what those resources will be. While some resources might be abundant, other resources may not be available at all. The list below show what planets are out in the galaxy, how likely you are to find them, and what they will typically be able to produce.
These planets are normally found in the game without requiring any artifacts to create them, all created planets originally begin life as one of these basic types. Some naturally occurring planets that can also be created after completing specific missions, are listed under Player Created Planets.
Any successful scan has a good chance of being one of the following, sized from Very Tiny (Barren Planets) or Tiny (Volcanic Planets), to Very Massive (Gas Planets).
Most common resource is minerals; max observed natural: Very Large / Mining: Ultra Rich
Usually most common with only research resources; max observed natural: Very Massive / Research: Extremely Rich
These can be found when scanning, some more common than others.
Most common resource is artifacts; max observed natural: Very Large / Artifact: Very Rich. Limited upgrades available via mission.
Most common resource is artifacts; max observed natural: Very Large / Artifact: Extremely Rich. Limited upgrades available via mission. (Note: This planet is the only planet in game which has the potential to reach the vaunted status of "Mega Colossal").
Most common resource is minerals; max observed natural: Very Large / Mining: Very Rich. Blade Harvester NPCs spawn randomly in the battle tab providing an unlimited supply of mineral resource enhancers that can be used on Toxic planets. These artifacts cannot be used on a Toxic of mineral availability of 15x or higher. However, because the artifact provides a bonus of two levels to the mineral availability, a toxic planet at 14x Mega Rich will reach 16x Mega rich before it cannot be enhanced further, while a toxic at 13x mega rich will only reach 15x mega rich.
Low chance of finding rare planets when scanning, however you may see one or more of these by Rank 30. You should see at least one of all those below by Rank 100.
Most common resource is mining/research; max observed natural: Very Massive / Mining or Research: Extremely Rich.
Most common resource is artifacts/research; max observed natural: Massive / Artifact or Research: Extremely Rich.
Most common resource is artifacts; max observed natural: Very Large / Artifact: 3x Mega Rich. Limited upgrades via mission.
Extremely Rare Planets
Very low chance of finding one when scanning. However you might see at least one of these by Rank 100.
Exotic planets are rare worlds with abundant resources and unusual life forms. They can be any size and richness. Naturally occurring although rare upto 48x mega rich.
Each player gets the chance to create an invulnerable Exotic Planet by completing the mission The Terra Project. A second exotic planet known as Exotica becomes known after completing the mission Ruler of Exotica.
Player Created Planets
Also known as Shadow Planets. Only found in the Vorigar Expanse, which is available through using a Vorigar Scan Data artifact received from completing the mission Into the Expanse (through the Aggressive Evolution chain available at Rank 210). They are always Very Large size, Very Rich Mining, Extremely Rich Artifacts, and Mega Rich Research. They also have 1200 Passive Cloak.
Aphotic Planets (Shadow planets) are worlds that receive little to no sunlight from their host star, but their cores produce enough heat to prevent the surface from freezing. They exist inside the Vorigar Expanse, a large region of the existing galaxy. Due to the amount of the Silthion gas in the Expanse, all planets within it are Aphotic.
Once an Aphotic planet is discovered by a player in the Vorigar Expanse (using a Vorigar Scan Data artifact, that planet is added to the pool of available planets and can then be found by other players through normal scanning.
- Note: The passive cloak bonus was boosted to 1200, up from 200, on August 4, 2011
Huge mega-cities that encompass an entire planet. They can be found using a Gravidynamic Scan Data artifact through completing the mission City of None (through the Empty Arrival chain available at Rank 230). They appear to always be Large size, Abundant Mining, Ultra Rich Artifact and 2x Mega Rich Research. They have a passive cloak bonus of 700.
Once an Ecumenopolis planet is discovered by a player after using the Gravidynamic Scan Data artifact, that planet is added to the pool of available planets and can then be found by other players through normal scanning.
Desert Planets that have been transformed by using a Gamma Crystallizer artifact, which is only available through completing the mission Crystal Inferno (through the Pawlacite Thaw chain available at Rank 95). Gamma Crystallizers add +1 size and +2 richness to all three resource types on the planet.
Also known as Class Y planets. Volcanic planets that have been transformed by using a Thermionic Intensifier Artifact. This artifact is gained through a discovery in the Collective Theory Lab (Also known as the CT-Lab) Thermionic Intensifiers add +800 passive attack, +1 size, and +1 richness to all three resource types on the planet.
Use the Thermionic Intensifier on a Very Massive 15x Mega Rich Volcanic world to get a Colossal 16x Mega Rich planet. Since Eruption Channelers will not be able to be used on the planet after it's transformation, it may be wise to use them to maximize passive attack before creating the Demon.
Isolytic Irradiators add +1 size and +2 richness to all three resource types on the planet. Irradiated planets can also have their mining output increased to up to 15x Mega Rich through Toxic Purifier artifacts, that are dropped by certain rare NPC's. Use the Isolytic Irradiator on a Very Massive 16x Mega Rich Toxic world to get a Colossal 18x Mega Rich planet.
While Oceanic Planets can be found naturally, they can also be created by using a Octafari Hydroshifter on a Barren Planet.
Octafari Hydroshifters add +1 size and +2 richness to all three resource types on the planet.
Gas Planets that have been transformed by using a Phasic Chain-Ionizer Artifact. This artifact is gained through a discovery in the Collective Theory Lab (Also known as the CT-Lab) Phasic-Chain Ionizers add +300 passive defense, +1 size, and +2 richness to research.
Use the Phasic-Chain Ionizer on a Very Massive 17x Mega Rich Gas world to get a Colossal 19x Mega Rich planet. It is now possible to get Gas planets up to 17x Mega Rich with the use of the Lepus Data Kernel. Since Gas Igniter Rods will not be able to be used on the planet after it's transformation, it may be wise to use them to maximize passive attack before creating the Plasma. Unlike a Gas planet, on a Plasma you can build Population structures such as Topopolis Rings.
Prismatic Planets are gained through the use of the Omnispectral Lens which is awarded as part of the 5-year medal Path of the Devoted. Prismatic planets start out as Large planets with all resources at Extremely Abundant. This is upgradeable via use of the planet's inherent ability Atmospheric Transform. It comes with a structure Prismatic Foundation which is also upgradeable by the planet's second inherent ability Prismatic Upgrade.
Extremely Rare Planets
Terra planets that have been transformed through the use of The Gaia Seed Artifact, which is available by completing the mission The Drannik Extinction. The Gaia Seed adds +1 size and +2 richness to all three resource types on the planet.
Barren planets that have been transformed through the use of a Planetary Sentiox Artifact, which is available by completing the mission Hacking the Sentiox. The Planetary Sentiox adds +700 Passive Attack, +700 Passive Defense, +1 size and +2 richness to all three resource types on the planet.
- Note: The passive attack/defense bonuses were boosted to 700, up from 200, on August 4, 2011
Gas planets that have been transformed through the use of Chthonian Exchanger Artifact, which is available by completing Task 1 of the legion mission Carthyne Symposium. Converts an unoccupied Gas world into a Chthonian planet. the planet's size will decrease by 2. Artifact and Mineral will then each become 50% of the planet's research resource (capped at 18x research before conversion). All research resources will then be lost.
The original planet may be of any size or type.
When transformed the type changes to "Rift" and the planet's stats change as follows:
- "Invincible" Attribute Added (Planet cannot be invaded, no enemy artifacts or abilities may be used on it.)
- All Passive Attributes increased by 10,000 (Attack, Defense, Cloak)
- All Resource Availability increased by 15 levels (Mineral, Artifact, Research)
The lowest possible values a rift can have are one resource being 4x Mega, and the remaining two being 3x Mega.
This is because no planet in the game can have 0 resource availability in all three locations, it must have at the minimum one resource which has at least the "Extremely Sparse" Availability. (See Below for clarification)
- MP: Extremely Sparse, AP: None, RP: None - ( MP: 1 AP: 0 RP: 0 )
- Becomes: MP: 4x Mega, AP: 3x Mega, RP: 3x Mega - ( MP: 16 AP: 15 RP: 15 )
- MP: None, AP: Extremely Sparse, RP: None - ( MP: 0 AP: 1 RP: 0 )
- Becomes: MP: 3x Mega, AP: 4x Mega, RP: 3x Mega - ( MP: 15 AP: 16 RP: 15 )
- MP: None, AP: None, RP: Extremely Sparse - ( MP: 0 AP: 0 RP: 1 )
- Becomes: MP: 3x Mega, AP: 3x Mega, RP: 4x Mega - ( MP: 15 AP: 15 RP: 16 )
The maximum values a player can achieve for a rift depend on the artifacts available to him to use during creation (without involving a Dyson Sphere) is MP: 37x Mega, AP: 37x Mega, RP: 43x Mega, using a Toxic Planet to start from.
To reach the 37x,37x,43x Rift:
- Upgrade a Toxic, Desert, Terra, or Icy planet to 20x Mega Rich (To get past 15x mega rich Use: Toxic Purifiers, Trellith Resequencers, and Enumeration Crystals)
- Use the Planet specific converter to reach 22x Mega Rich (Toxic->Irradiated, Desert->Crystal, Terra->Gaia, Icy->Oceanic)
- Use 6x Kronyn Datacubes to get research to 28x Mega Rich
- Finally Rift the planet adding 15 levels to all three Attributes.
To calculate resulting Rift Size, start from the base availability of the planet, convert it to the availability Level #, add 15 to that number and convert back.
Example of Level conversion through he first 15 levels of planet availability:
- Level # 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15.
- Availability: None, eSpr, vSpr, Spr, Avg, Abt, vAbt, eAbt, Rch, vRch, eRch, uRch, Mg, 1Mg, 2Mg, 3Mg.
The best planets to rift are natural dysons; however given the rarity of these most players will maximize a normal planet.
As far as anyone knows there are no natural Rift Planets.
Although supremely rare when scanning, some of those below have been know to turn up by Rank 30.
One of the best planets can be created after completing the mission, The Colossal Project. The mission Dyson that it creates will be Colossal in size and 28x Mega Rich in all three resources. It is produced by using a Special Artifact on a planet of your choice. The artifact is obtained after using 10 Quasi-spacial Expander's in the mission The Colossal Project.
Dyson planets can be discovered naturally, through lucky searches, but their rarity is such that very few players ever scan one, much less own one.
Planet size determines how much space the planet has available for buildings. Some buildings take up more space than others, so this number is good to know. However Artifacts that change planet size are talking about the SIZE of the planet as defined in the Size column, not the SPACE of the planet. Effectively an artifact that "Increases Planet Size by 1" will "use 6 space".
From smallest to largest, the planet sizes, and there available space are:
|Size||Title||Space||With Small Moons*||With Large Moons*|
|0||Planet does not exist||15||N/A||N/A|
Planet Size Notes
- "Mega Colossal" No longer shows as "Colossal":
- This is because the game itself was not initially populated with a planet of this size, but players have determined how to expand a planet past the soft limit of the game's mechanics. Initially this caused the planet to still show in people's lists as "Colossal" with no prefix to distinguish it from it's cousin.
- Because the planet was not originally given a specific title, showing only as "Colossal", players started to refer to them as "Extremely Colossal", "Very Colossal", "Mega Colossal", "Titanic" and "Gigantic". Given the naming conventions for other planets, the proper name should be "Very Colossal". However Dan decided to break with tradition on this planet when he made it an officially accepted size in the game, instead calling it "Mega Colossal". <-- ** Verified **
How to obtain a "Mega Colossal" Planet:
- Obtain any Ice-world, and use the Quasi Spacial Expander artifacts on it until the planet reaches the maximum size you can increase them to by using the expander (The maximum size reachable this way is, 09 - "Very Massive"). At that point use a Mass Surface Melter Artifact on the planet, this will change your Icy planet into an oceanic planet, and also increase the planet size by 2, as well as increasing the resource abundance of all available resources by two.
- Also note that the maximum resource level that can be obtained through Terraformers is 15x Mega Rich; if you use the Mass Surface Melter AFTER you've made the planet 15X Mega Rich, you'll end up with a Colossal 17x Mega Rich Oceanic planet.
- Alternatively, use a Subspace Fissuron on any planet (preferably one with maxed production).
Moons are obtained by chance from the analyzing of a planet, whether it be through Reality Transfuser, a GP market artifact or a random planetary event.
Every planet has resources that can be harvested. Those resources are what help you progress further in the game. The resources for each planet are:
- Mining, which produces Minerals
- Artifact, which produces Artifacts
- Research, which produces Research Points
Note, each Planet that you own will also by default increase your maximum Mineral Points storage by 500 and Artifact points storage by 1000. Research points storage is determined primarily by your Rank. Note also that each planet you own is one more that can hold a Polychoron Vault, the only infinitely available, easy-to-get planet structure that boosts resource capacity by 1000 of each, which means you can reliably boost your storage capacity by 1500 Mineral points, 2000 Artifact points and 1000 Research points for each planet.
The resource availability modifier is added to the resource production for a given resource on the planet. In order from worst production to best production, the availabilities follow.
|Value of N||Availability Name||Displayed Multiplier||Effective Multiplier|| Ex: Toxic Purifier|
| Ex: Toxic Purifiers|
Needed to max.
| Ex: Planet Data Optimizers|
Needed to max.
|0||Resource will not be displayed!||Resource will not be displayed!||0.00||16x||14||27|
|13||1x Mega Rich*||225%||3.25||15x||7||14|
|14||2x Mega Rich*||250%||3.50||16x||7||13|
|15||3x Mega Rich*||275%||3.75||15x||6||12|
|16||4x Mega Rich*||300%||4.00||16x||6||11|
|17||5x Mega Rich*||325%||4.25||15x||5||10|
|18||6x Mega Rich*||350%||4.50||16x||5||9|
|19||7x Mega Rich*||375%||4.75||15x||4||8|
|20||8x Mega Rich*||400%||5.00||16x||4||7|
|21||9x Mega Rich*||425%||5.25||15x||3||6|
|22||10x Mega Rich*||450%||5.50||16x||3||5|
|23||11x Mega Rich*||475%||5.75||15x||2||4|
|24||12x Mega Rich*||500%||6.00||16x||2||3|
|25||13x Mega Rich*||525%||6.25||15x||1||2|
|26||14x Mega Rich*||550%||6.50||16x||1||1|
|27||15x Mega Rich*||575%||6.75||15x||-||-|
|28||16x Mega Rich*||600%||7.00||16x||-||-|
|32||20x Mega Rich*||700%||8.00||-||-||-|
|33||21x Mega Rich*||725%||8.25||-||-||-|
|34||22x Mega Rich*||750%||8.50||-||-||-|
|40||28x Mega Rich*||900%||10.00||-||-||-|
|47||35x Mega Rich*||1075%||11.75||-||-||-|
|48||36x Mega Rich*||1100%||12.00||-||-||-|
|49||37x Mega Rich*||1125%||12.25||-||-||-|
|100||88x Mega Rich*||2400%||25.00||-||-||-|
|102||90x Mega Rich*||2450%||25.50||-||-||-|
|117||105x Mega Rich*||2825%||29.25||-||-||-|
The way planets resource availability is determined as a multiplier is a simple formula: 1*(-1+(.25*N))%
Planet Resource Notes
- "Displayed Multiplier" refers to the "availability bonus" shown when hovering over the production statistics in the planet display screen.
- After Ultra Rich the scale for planets differs from the scale for legion bases by one step, as legion bases do not have a plain "Mega Rich" in their scale (it shows as 1x Mega Rich).
- The Dyson Sphere artifact will change a Metallic Planet directly to 28x Mega Rich on all three stats, but is a one-time only artifact received from the mission, The Colossal Project.
- The max Artifact and Mining Richness that non-Dyson planets can attain by human interaction is 22x Mega Rich by carefully using various artifacts in a precise order. These can then be boosted to 37x Mega rich using a Subspace Fissuron (only 3 available per player)
- Research richness can be boosted by multiple uses of Kronyn Datacubes up to 88x, which can be finished off with a Mass Surface Melter and a Subspace Fissuron to end up with a 105x Mega Rich
- The Highest observed Mega rich planet is a naturally discovered, but artifically enhanced, 100+ x Mega Rich planet, owned by a banned player and still hidden out there somewhere.
Base Planetary Production
Do you need to know which planet you should colonize?
Planet Structures which are researched are generally referred to by their Availability Bonus ("I have +4s on all my Gas Planets", or "I am going to need to save up before I can complete the upgrade of all of my planets to +10 buildings." &co.)
Below is a chart of Planet Structures ordered by their size, which also is the order they become available in.
Larger planets provide more space for structures, allowing you to maximize the resource availability bonus the planet provides. While they do cost more money to upgrade you also collected more income from them at every resource tick prior to that point, and after that point than you would have had you used a smaller planet of the same availability.
Strategy: Terraforming Devices are quite common (SEE BELOW NOTE), NPCs can drop several in the course of a week. Quasi Spacial Expanders are Incredibly rare, they come from the same NPC, and you would be lucky to find one every few months. Therefore the BEST long term strategy is to Generally try to acquire the largest planets possible, and increase their resource availability over time, instead of getting smaller planets which might have higher availability because the likelihood you can increase the number of structures they can hold is remote.
Note: The rarity of this NPC has increased significantly since this was first written, now only seen once for several thousand NPCs that cross your Battle Tab. Also while more than one NPC can drop Terraforming Devices, there is only one that drops QSEs. The idea of getting several terraformers per week really only applies if you devote most of your energy to hitting npcs, and QSEs are unlikely to turn up more than once or twice in a year.
|Production||Size||Prod/Size||Mining Structures||Research Structures||Artifact Structures|
|1||4||0.250||Surface Mine||Research Station||Surface Scanner|
|2||7||0.285||Extraction Drones||Robotics Lab||Analyzer Drones|
|3||9||0.333||Nanite Disassemblers||Nanite Lab||Subterranean Probes|
|4||11||0.363||Deep Core Mine||Theory Engine||Deep Scan Harmonizer|
|5||13||0.384||Mesh Extractor||AI Network||Mesh Probes|
|6||15||0.400||Quantum Reassembler||Quantum Computer Grid||Quantum Analyzer Engine|
|8||16||0.500||Gravitonic Teleporter||Gravitonic Brain||Gravitonic Revealer|
|10||17||0.588||Stellar Converter||Matrioshka Brain||Stellar Replicator|
|12||18||0.666||Star Lifting||Hypernode Brain||Hyperforge Fabricator|
To calculate the total production of a planet, use this general formula:
Total Production=(Module production)*(1+decimal(availability bonus))*(1+decimal(developmental bonus))
Where it says decimal, find the decimal of that percent. For example extremely rich is +150% bonus. As a decimal, that would be 1.5.
Planet Effects and Events
Planets may experience occasional events that affect their stats or production. Events occur under the following conditions:
- Randomly - some planets will experience events randomly. Most of these effects are temporary, but some are permanent. The chances of a random effect occurring is increased if your Profession is a Governor.
- Invasion - a successful invasion may trigger a beneficial or negative event. These effects are always temporary.
- Colonization - colonizing a planet may trigger beneficial events. These effects are temporary.
- Artifact Inducement - using certain artifacts may allow you to trigger beneficial events on certain planets. Most of these effects are temporary, some are permanent.
There are a number of different events. The full list can be found Here.