This paragraph contain information about Sciense Tree in Galaxy Online.
Personal
List of personal tech in GO.
Armor Tech

When the warships defense doesn't work, its armor modules may keep the ship safe.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
134000 |
Assault Craft Theory

Enables you to produce Assault Craft which have excellent dodge and speed but are a bit weak. It costs only a little time to make an Assault Craft. (Damage increases by 15% when attacking Battleships)
| Level |
SP to level up |
| Level1 |
300 |
| Level2 |
2500 |
| Level3 |
16000 |
| Level4 |
41000 |
| Level5 |
85000 |
| Level6 |
175000 |
| Level7 |
350000 |
| Level8 |
710000 |
| Level9 |
1150000 |
Astrogeology

Studies the geological makeup of heavenly bodies in order to build more efficient factories.
| Level |
SP to level up |
| Level1 |
50 |
| Level2 |
100 |
| Level3 |
400 |
| Level4 |
700 |
| Level5 |
1000 |
Ballistic Weapon Tech

Enables you to master using Ballistic Weapons which can deal high Dispersion damage and attack enemies quickly.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
135000 |
| Level21 |
180000 |
| Level22 |
210000 |
| Level23 |
240000 |
| Level24 |
300000 |
| Level25 |
350000 |
Battleship Theory

Enables you to produce Battleships. Battleships are expensive and very clumsy but they have good armor and capacity. Battleships are very good fighters in large-scale battles. (Damage increases by 15% when attacking Cruisers)
| Level |
SP to level up |
| Level1 |
300 |
| Level2 |
3000 |
| Level3 |
18000 |
| Level4 |
45000 |
| Level5 |
90000 |
| Level6 |
180000 |
| Level7 |
360000 |
| Level8 |
720000 |
| Level9 |
1200000 |
Colonial Science

Enables you to explore and colonize heavenly bodies. The number of heavenly bodies you can colonize increases as it levels.
| Level |
SP to level up |
Comment |
| Level1 |
100 |
At this level, you are able to colonize 2 planets at most (excluding the 5 system given planets). |
| Level2 |
500 |
At this level, you are able to colonize 4 planets at most (excluding the 5 system given planets). |
| Level3 |
5000 |
At this level, you are able to colonize 7 planets at most (excluding the 5 system given planets). |
| Level4 |
20000 |
At this level, you are able to colonize 11 planets at most (excluding the 5 system given planets). |
| Level5 |
50000 |
At this level, you are able to colonize 15 planets at most (excluding the 5 system given planets). |
Command Training

Enables you to train your Commanders to be stronger and more talented.
| Level |
SP to level up |
Comment |
| Level1 |
100 |
At this level, the Commander's Critical Strike chance is increased by 1%. |
| Level2 |
6000 |
At this level, the Commander's Critical Strike chance is increased by 2%. |
| Level3 |
12000 |
At this level, the Commander's Critical Strike chance is increased by 3%. |
| Level4 |
80000 |
At this level, the Commander's Critical Strike chance is increased by 5%. |
| Level5 |
200000 |
At this level, the Commander's Critical Strike chance is increased by 7%. |
| Level6 |
350000 |
At this level, the Commander's Critical Strike chance is increased by 10%. |
Comsat Tech

Enables you to share scientific information about your planet(s) in the same galaxy to accelerate Science points increase.
| Level |
SP to level up |
| Level1 |
30000 |
| Level2 |
50000 |
| Level3 |
100000 |
Cruiser Theory

Enables you to produce Cruisers which have energy shields and require less production time. (Damage increases by 15% when attacking Assault Crafts)
| Level |
SP to level up |
| Level1 |
300 |
| Level2 |
3000 |
| Level3 |
18000 |
| Level4 |
45000 |
| Level5 |
90000 |
| Level6 |
180000 |
| Level7 |
360000 |
| Level8 |
720000 |
| Level9 |
1200000 |
Diplomacy

Once your studies are complete, you will be able to trade with the Galactic Pirates.
| Level |
SP to level up |
Comment |
| Level1 |
10000 |
At this level, you are trusted by the Pirates enough to buy 1-star Pirate ships. |
| Level2 |
100000 |
At this level, you are trusted by the Pirates enough to buy 2-star Pirate ships. |
| Level3 |
500000 |
At this level, you are trusted by the Pirates enough to buy 3-star Pirate ships. |
| Level4 |
1100000 |
At this level, you are trusted by the Pirates enough to buy 4-star Pirate ships. |
| Level5 |
2500000 |
At this level, you are trusted by the Pirates enough to buy 5-star Pirate ships. |
| Level6 |
5000000 |
At this level, the Pirates only trust you enough to buy ships as strong as those found in the Ruins. |
Directional Weapon Tech

Enables you to master using laser weapons which can cause very high damage to warships.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
135000 |
| Level21 |
180000 |
| Level22 |
210000 |
| Level23 |
240000 |
| Level24 |
300000 |
| Level25 |
350000 |
Dynamics

Enables your warships to move more swiftly. You will be able to use higher level propellants as the level goes up.
| Level |
SP to level up |
| Level1 |
500 |
| Level2 |
2500 |
| Level3 |
5000 |
| Level4 |
8000 |
| Level5 |
14000 |
| Level6 |
20000 |
| Level7 |
30000 |
| Level8 |
42000 |
| Level9 |
56000 |
| Level10 |
70000 |
Electronics

Enables you to equip your warships with special electronic modules.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
136000 |
Energy Shield Tech

Protects your warship with an energy shield to reduce damage taken.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
134000 |
Engineering

Warship design, construction and modification. Includes Energy Shield Technology, Dynamics, Armor Technology, Ship Defense Theory, etc. As the level goes up, you can learn more about Engineering.
| Level |
SP to level up |
| Level1 |
500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
15000 |
| Level5 |
30000 |
Gunnery

Improves shooting skill gradually as the level goes up.
| Level |
SP to level up |
| Level1 |
500 |
| Level2 |
3000 |
| Level3 |
15000 |
| Level4 |
30000 |
| Level5 |
60000 |
Industrial Theory

Raises productive efficiency to build a highly industrialized production base.
| Level |
SP to level up |
| Level1 |
100 |
| Level2 |
350 |
| Level3 |
600 |
| Level4 |
1000 |
| Level5 |
5000 |
| Level6 |
12000 |
| Level7 |
30000 |
| Level8 |
50000 |
| Level9 |
70000 |
| Level10 |
100000 |
Mesology

Improves the chance of successful colonization and accelerating population increases on heavenly bodies.
| Level |
SP to level up |
| Level1 |
50 |
| Level2 |
150 |
| Level3 |
350 |
| Level4 |
650 |
| Level5 |
1000 |
| Level6 |
30000 |
| Level7 |
50000 |
| Level8 |
100000 |
Missile Theory

Enables you to master using missile weapons which can cause high damage and hit the enemy very accurately. To use high level guided weapons, you should train this Science to a certain level.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
135000 |
| Level21 |
180000 |
| Level22 |
210000 |
| Level23 |
240000 |
| Level24 |
300000 |
| Level25 |
350000 |
Planet Attack Theory

Enables you to destroy hostile planets easier.
| Level |
SP to level up |
| Level1 |
5000 |
| Level2 |
10000 |
| Level3 |
15000 |
| Level4 |
20000 |
| Level5 |
25000 |
| Level6 |
40000 |
| Level7 |
50000 |
| Level8 |
60000 |
| Level9 |
70000 |
| Level10 |
95000 |
| Level11 |
105000 |
| Level12 |
115000 |
| Level13 |
125000 |
| Level14 |
135000 |
| Level15 |
145000 |
Seaborne Aircraft Theory

Enables you to launch self-service planes or other facilities to attack enemies from a distance. Peculiarity: Very long range and somewhat high damage but it costs a bit longer time to equip the facilities.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
135000 |
| Level21 |
180000 |
| Level22 |
210000 |
| Level23 |
240000 |
| Level24 |
300000 |
| Level25 |
350000 |
Ship Defense Tech

Improves your warship defense.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
134000 |
Ship Design

When the warship's Armor and Defense don't work, the ships structural design may help keep the ship safe.
| Level |
SP to level up |
| Level1 |
1500 |
| Level2 |
4000 |
| Level3 |
8000 |
| Level4 |
12000 |
| Level5 |
16000 |
| Level6 |
22000 |
| Level7 |
28000 |
| Level8 |
34000 |
| Level9 |
42000 |
| Level10 |
50000 |
| Level11 |
58000 |
| Level12 |
66000 |
| Level13 |
74000 |
| Level14 |
82000 |
| Level15 |
90000 |
| Level16 |
99000 |
| Level17 |
108000 |
| Level18 |
117000 |
| Level19 |
126000 |
| Level20 |
134000 |
Ship Repair Tech

When your studies are complete, you will be able to repair ships that have been destroyed at a Spacedock in the Milky Way.
| Level |
SP to level up |
Comment |
| Level1 |
10000 |
At this level, you can repair 1%-5% of your destroyed ships. |
| Level2 |
30000 |
At this level, you can repair 5%-10% of your destroyed ships. |
| Level3 |
50000 |
At this level, you can repair 10%-15% of your destroyed ships. |
| Level4 |
130000 |
At this level, you can repair 15%-25% of your destroyed ships. |
| Level5 |
620000 |
At this level, you can repair 20%-35% of your destroyed ships. |
| Level6 |
1400000 |
At this level, you can repair 30%-45% of your destroyed ships. |
| Level7 |
2500000 |
At this level, you can repair 35%-50% of your destroyed ships. |
| Level8 |
5000000 |
At this level, you can repair 45%-60% of your destroyed ships. |
Store Up

Studies higher level warship store technology to enlarge the capacity of your warships.
| Level |
SP to level up |
| Level1 |
500 |
| Level2 |
2000 |
| Level3 |
5000 |
| Level4 |
8000 |
| Level5 |
15000 |
| Level6 |
25000 |
| Level7 |
40000 |
| Level8 |
60000 |
| Level9 |
80000 |
| Level10 |
100000 |
Trade

Enables you to trade with others including, trading heavenly bodies.
| Level |
SP to level up |
| Level1 |
2500 |
Warship Control

Enables you to control higher level warships as the Science level goes up.
| Level |
SP to level up |
| Level1 |
200 |
| Level2 |
5000 |
| Level3 |
30000 |
| Level4 |
500000 |