Astronomers have confirmed four small rocky exoplanets orbiting Barnard's Star, located less than six light-years from Earth. This discovery validates previous research indicating the star's planetary system and demonstrates advancements in the radial velocity method used to detect these celestial bodies. Each planet is 20-30 percent of Earth's mass and, although likely rocky, they orbit too closely to their star to support life as we know it. The study highlights the enhanced precision of current detection instruments, indicating a significant leap in exoplanet research.
Astronomers have confirmed the existence of four small planets around Barnard's Star, reinforcing a previous study regarding its potential planetary system.
The frequency of stellar wobble reveals an exoplanet's orbital period and distance, while its strength provides an estimate of the unseen world's mass.
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