Encyclopedia > Soyuz 21

  Article Content

Soyuz 21

Soyuz 21 was a Soyuz spacecraft launched by the Soviet Union. It was the second flight of Boris Volynov.

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Quadratic formula

... called the discriminant of the quadratic equation, because it discriminates between three qualitatively different cases: If the discriminant is zero, then there is ...

This page was created in 24 ms