The discovery of a stunning new exoplanet further enriches our understanding of the universe. One of the newest exoplanets in the spotlight is TOI-700 d. This exoplanet is located about 100 light years from Earth, in the Dorado constellation and was discovered by the TESS (Transiting Exoplanet Survey Satellite) Space Telescope. TOI-700 d is a rocky planet in the habitable zone, namely the area around the star where the temperature allows liquid water to exist. Research shows that TOI-700 d is about 1.2 times the size of Earth and orbits the red dwarf star TOI-700 every 37 days. Scientists believe that under these conditions, the possibility of life on the planet is quite significant. This discovery is also supported by data obtained from other observations, including data from the Hubble Telescope and ground observatories. Further research suggests that the atmospheres of these exoplanets may be able to support life, depending on the composition and density of the atmosphere itself. Atmospheric spectrum analysis to be carried out in the future could reveal more information about the presence of important gases, such as oxygen and methane. Apart from TOI-700 d, another exoplanet that is no less impressive is LHS 475 b. This exoplanet is located about 41 light years from Earth and is one of TESS’s observations. LHS 475 b is about the same size as Earth and orbits the red dwarf star every two days. The uniqueness of LHS 475 b is that it does not have a significant atmosphere, making it an interesting object of study into the possible evolution of rocky planets. Astronomers have also discovered more extreme exoplanets, such as WASP-76b, which is famous for its surface temperatures reaching more than 2400 degrees Celsius. This exoplanet is located about 390 light years from Earth and is an extreme example of a ‘hot Jupiter’, a type of giant gas planet that is very close to its parent star. The latest observing track research project will focus on the search for more exoplanets in the habitable zone as well as the study of their atmospheres. With the continued development of observation technology and data analysis techniques, the possibility of finding new exoplanets that can support life is increasingly promising. Interestingly, this discovery not only leads to an understanding of the existence of life beyond Earth, but also provides new insights into how planetary systems form and interact. Further research around the world is now focused on exploring the possibilities of exploring these planets, with the hope of sending exploration missions in the next decade. Exoplanets such as TOI-700 d and LHS 475 b are paving the way for scientists to delve deeper into extraterrestrial environments that may be similar to Earth. These discoveries prompted collaboration between astronomers, astrobiologists, and engineers to design missions that could launch to these planets, providing endless opportunities for new discoveries. As we continue to explore this galaxy, the discovery of new exoplanets will surely continue to capture our imagination and curiosity about the vast and mysterious universe.
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