kidsneedscience: Hipparcos was a satellite launched and managed by the European Space Agency on August 8, 1989 which remained in service until 1993. The name stands for High precision parallax collecting satellite, Hipparcos was the first space
kidsneedscience: Hipparcos was a satellite launched and managed by the European Space Agency on August 8, 1989 which remained in service until 1993. The name stands for High precision parallax collecting satellite, Hipparcos was the first space
