Bajkova, two researchers from the Pulkovo Observatory’s Laboratory of Galaxy Dynamics in St. Using data collected by the Gaia Observatory, two researchers with the Russian Academy of Sciences (RAS) determined that a handful of stars will be making close passes by our Solar System in the future, one of which will stray pretty close! Knowing when stars will make a close encounter with our Solar System, and how it might shake-up objects within it, is therefore a concern to astronomers. At times, this can have a drastic effect on the star that experience a close encounter, disrupting their systems and causing planets to be ejected. As they orbit, stars in the galactic disk (where our Sun is located) periodically shuffle about and get closer to one another. Within the Milky Way, there are an estimated 200 to 400 billion stars, all of which orbit around the center of our galaxy in a coordinated cosmic dance.
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