1. The exploration and use of outer space shall be carried out for the benefit and in the interests of all countries.
2. Outer space shall be free for exploration and use by all states without discrimination of any kind, on a basis of equality and in accordance with international law.
3. Outer space is not subject to national appropriation by claim of sovereignty, by means of use or occupation, or by any other means.
4. The celestial bodies shall be used by all States Parties to the Treaty exclusively for peaceful purposes.
5. The establishment of military bases, installations and fortifications, the testing of any type of weapons and the conduct of military manoeuvres on celestial bodies shall be forbidden.
6. States Parties to the Treaty shall pursue studies of outer space and conduct exploration of them so as to avoid their harmful contamination and also adverse changes in the environment.
7. All stations, installations, equipment and space vehicles on the celestial bodies shall be open to representatives of other States Parties to the Treaty on a basis of reciprocity.