While F-type stars (yellow and white noses) are warmer, brighter, and more massive than our Sun, G-type stars (yellow noses) correspond to our Sun – the main sequence star G2V. This goal will include 100 stars in 33 light-years in the F, G, and K solar systems. The proposed CHES mission will operate at the interstellar point between the Sun and Earth L2 – where NASA’s James Webb Space Telescope (JWST) now resides – and will observe the target star for five years. High-resolution astronomical measurements of sun-like stars need to find orbiting exoplanets. In this regard, researchers from the Chinese Academy of Sciences (CAS) and several Chinese observatories and universities have suggested a space telescope. This data will be used to create the most accurate 3D map in our galaxy. Examples of this method include the European Space Agency’s Gaia Observatory, which has measured the movement of one billion stars in the Milky Way (plus 500,000 quasars so far) since 2013. The branch of astronomy known as astronomy consists of making accurate measurements of the position and movement of the corresponding celestial bodies by comparing them with a reference star in the background. The proposed observatory would search the Earth-like habitable zone (HZ) for sun-like stars in 33 light-years (10 parsecs) using a method known as partial-second relative astronomy. In a recent study, a team led by the Chinese Academy of Sciences (CAS) described a new concept for a space telescope called the Closeby Habitable Exoplanet Survey (CHES). In the coming years, opportunities for exoplanet studies will increase exponentially with the discovery of thousands of other exoplanets.
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