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Around a red dwarf known as Barnard's star, which lies just 5.96 light-years away, astronomers have found evidence of an exoplanet.
Though any planet matching that mass or distance is yet to be confirmed, the more teensy Barnard b emerged after researchers conducted a careful campaign to observe the star. What's more, there might be three more exoplanets lurking even further from the star, out where they're harder to spot., is of intense interest to planetary astronomers. The only stars closer to Earth are the Centauri trinary system.
The researchers used the European Southern Observatory's Very Large Telescope to look for signs of radial velocity. That's a signal that can be observed when a star moves around the mutual center of gravity it shares with an orbiting exoplanet. As the star wiggles slightly, the light it emits changes wavelength accordingly.
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