CORONAS-PHOTON SphinX was developed by the Solar Physics Division of the CBK PAN as a part of international collaboration involving scientists from Russia, Poland, the Czech Republic, Italy, the UK, and the USA. SphinX was launched aboard the Russian

Rocket launched on November 28, 1970. Peak altitude: 487km. Carried experiments: studying geophysical matters including the X-ray spectrum and the concentration of electrons and ions, as well as electron temperature. In the experiment Soviet Union and four other countries

Rocket launched on August 20, 1971. Peak altitude: 463km. Essentially, a repeat of the investigation of Vertical-1, with experiments provided by the Soviet Union and four other countries. Poland provided a set of solar X-ray diagnostics instruments.

Rocket launched on August 30, 1977. Peak altitude: about 500km. Equipment from three countries, as well as from the Soviet Union has been provided. Poland provided a set of solar X-ray diagnostics instruments.

Rockets launched on September 29, 1979 (Vertical-8, peak altitude: 505km) and August 28, 1981 (Vertical-9, peak altitude: 500km). Experiments were realized by the Soviet Union and cooperating countries. Poland provided a set of solar X-ray diagnostics instruments.

Rockets launched on September 29, 1979 (Vertical-8, peak altitude: 505km) and August 28, 1981 (Vertical-9, peak altitude: 500km). Experiments were realized by the Soviet Union and cooperating countries. Poland provided a set of solar X-ray diagnostics instruments.

Rocket launched on October 20, 1983. Peak altitude: 500km. Solar radiation studies with experiments were carried out by the Soviet Union and two other countries. Poland delivered a set of solar X-ray diagnostics equipment.