In January 1992, two cosmic objects forever changed our galaxy.
: the dead cores of massive stars that have ejected most of their mass, then collapsed under their own gravity. Their formation process is pretty extreme, often involving colossal explosions.Wolszczan saysBut there was a catch. The technique used to identify these exoplanets was based on the very regular timing of pulses from the star, which are altered very slightly by the gravitational influence of the orbiting bodies.
However, when astronomer William Borucki of NASA pioneered the transit method, which observes faint, regular dips in starlight as an exoplanet passes between us and the host star, exoplanet science exploded.
France Dernières Nouvelles, France Actualités
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