© Cité des Sciences et de l'Industrie/CNRS Audiovisuel - 1998

Beyond the stars

La découverte de nouveaux mondes

Reference

370

Duration

00:26:00

Production year

1998

Versions

Original material

SD
4/3
Color
Sound

Summary

In 1995 a planet was discovered outside the solar system by Michel Mayor, an astronomer at the Geneva Observatory. At the Haute Provence Observatory Michel Mayor describes his work methods. Fluctuations in the speed of the stars, measured by spectrography, led to the proof of the existence of a giant gaseous planet in the orbit of the star 51 Pegasi. Astronomers continue to scrutinize the universe, searching the spectral rays for the chemical elements associated with life.

Scientific topics

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