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تلسكوب جيمس ويب سيكشف المزيد من أسرار الكوكب (TOI-674 b)

Scientists detect water vapor in “Super Neptune” .. Will it be the first mission of James Webb?

Scientists have detected “water vapor” in the atmosphere of the planet “Super Neptune”, which bears the scientific name “TOI-674 b”.

An international team led by Jonathan Brandi from the University of Kansas, USA, said that the recently discovered planet (TOI-674 b), which is slightly larger than Neptune, and orbits a red dwarf star about 150 light-years away, belongs to the group of “exoplanets”, or Planets around other stars, known to contain water vapor.

During the study, which was published on the website of the US space agency “NASA”, a summary of it, the researchers presented evidence that the planet’s atmosphere contains water vapor, but many questions remain, such as the amount of water vapor carried in its atmosphere.

Observing the atmosphere of TOI-674 b is much easier than observing the atmosphere of many other exoplanets, making it a prime target for a deeper investigation with the recently launched James Webb Space Telescope.

The planet’s distance, size and relationship to its star make it particularly accessible to space-borne telescopes, at a distance of 150 light-years, which is considered “close” in astronomical terms.

The discovery of the planet is due to a partnership between the Hubble Space Telescope and NASA’s Transiting Exoplanet Survey Satellite (TES), which was launched in 2018.

The planet was first discovered by TESS, then the light spectrum was measured by Hubble, and data from the now retired Spitzer Space Telescope helped astronomers discover some components of the planet’s atmosphere, and once the James Webb Space Telescope is operational it should be able to Examine the planet’s atmosphere.

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One of the characteristics of this planet is that it orbits around its young star so tightly that “a year” on this planet, once it orbits around the star, takes less than two days.