Now is the era of exoplanets discovery I

Last 2022year 3month 21Work, National Aeronautics and Space Administration(NASA)is the number of exoplanets discovered by humans right now’ 5000I was told that I had broken through the dog..1992exactly since the discovery of the first exoplanets in 30It’s been a year.

Early detection was slow, but, As observation technology develops, humanity is finding exoplanets at an increasingly rapid pace.. 2700After the retirement of the Kepler Space Telescope, which found about 100 exoplanets, various observation instruments and equipment are participating in the search for exoplanets., I left for space on Christmas last year James Webb Space Telescopeadd me2‘s journey to find Earth appears to be speeding up.

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Figure 1. The number of exoplanets discovered by mankind has exceeded 5,000. (Source: NASA/JPL-Caltech)

Only exoplanets in our galaxy 2000billion

An exoplanet is a planet that orbits a star other than the sun.. Looking at exoplanets discovered so far, ice planets as massive as Neptune, Gas planets the size of Jupiter and Saturn, Earth-like rocky planets of various sizes and composition.

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Figure 2. More than 5,000 exoplanets have been identified in the Milky Way so far, of various sizes and compositions. 30% are gas giant planets like Jupiter and Saturn, 35% are planets the size of Neptune or Uranus, and 4% are small, rocky planets similar to Earth. The remaining 31% are exoplanets known as ‘super-Earths’, which are believed to be a type of planet that does not exist in our solar system. (Source: NASA/JPL-Caltech)

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the first exoplanets 1992It was discovered by Dr. Alexander Bolcichan, an astronomer at the Arecibo Observatory in Puerto Rico.. Dr. Bolshchan is about 1500Pulsar in Virgo light years away(pulsation) two planets revolving around(PSR B1257+12 B, PSR B1257+12 C)The result of observation of natureannounced on. For the first time in human history, an exoplanet has been discovered..

The search for exoplanets, which relied on ground observations, 2009When the Kepler Space Telescope started operating in 2011, it began to pick up speed.. Kepler space telescope 2018year before retirement 2709Discovered 10 exoplanets.Candidate planets discovered by the Kepler Space Telescope but not yet verified 2057As many as dogs, in reality there is a high possibility that there will be more.

The Kepler Space Telescope is retired. 2018year, Tess(TESS) When the space telescope was launched, it took over the baton of exoplanet exploration.. The Tess Space Telescope 4exoplanets for years 213find the dog3874Exoplanets are being excavated at a rapid pace, including the discovery of four candidate planets..

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Figure 3. The TESS space telescope launched in 2018. Currently, exoplanets are being discovered at a rapid rate. (Source: NASA’s Goddard Space Flight Center)

California Institute of Technology(Caltech)operated by NASA According to the Exoplanet Archives, 5month 25The total number of exoplanets discovered by humans per day 5030fold. But there are far more exoplanets yet to be discovered.. Jesse Christiansen NASA Ph.D., Institute of Extraterrestrial Science known 5000of the exoplanets 4900Dogs are within thousands of light years of Earthsaying Earth at the center of the galaxy 3Considering the fact that it is 10,000 light-years away, only the Milky Way is 1000100 million~2000That means there are billions of undiscovered exoplanetssaid.

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