The GAIA telescope, launched by ESA in 2013, plays a crucial role in discovering exoplanets by observing the minute movements or 'wiggles' of stars caused by gravitational interactions with orbiting planets. Historically detected through the Doppler effect, GAIA's precision in measuring star positions allows for detailed analysis of these movements. The telescope has already helped identify the exoplanet GAIA 4b, indicating a promising future for exoplanet research. Astronomers like Josh Winn believe that further GAIA data could lead to discovering thousands more exoplanets, deepening our understanding of planetary systems.
Isaac Newton's third law of motion states that for every action there is an equal and opposite reaction. This principle helps astronomers detect exoplanets through the 'wiggle' effect on stars.
Using GAIA data, astronomers have already found one exoplanet, GAIA 4b, marking the start of a new era in exoplanet discovery and understanding planetary systems.
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