OUR NASA released on Monday, August 1, new look James Webb Space Telescope where the oldest star ever found by mankind is observed. baptized from Earendelfrom the Old English “Morning Star”, as well as a reference to a character in J.R.R. Tolkien’s The Silmarillion, the star is 28 billion light-years from Earth.

Earendel: the oldest known star

Despite a distance of 28 billion light years, the light detected Hubble March to James Webb most recently, it took 12.9 billion light-years to get here – that’s the age of the star, if it still exists. Estimated Earendel appeared about 900 million years after big Bangwhich happened about 13.8 billion years ago.

Researchers believe that the mass of the star is 50-100 times the mass of the Sun. Due to its size, it died/exploded as a supernova millions of years after its formation. Due to your age, there is a possibility that Earendel it was a star “fueled” by primordial hydrogen and helium, making it a population III star.

Recording a celestial object is made possible by gravitational lensing, an effect caused by the gravity of a cluster of galaxies that amplifies the light of objects and helps telescopes identify even more distant points in the universe. The galaxy in which it is located has been named the Arc of Dawn due to the distortion effect caused by gravitational lensing.

See image comparison James Webb and the Hubble Telescope.

James Webb: years from production to release

project James Webb telescope was developed National Aeronautics and Space Administration (NASA) in collaboration with European and Canadian space agencies. It was originally supposed to be launched in 2007. But some problems delayed the launch of the model, one of them was the high cost of production of the James Webb telescope, which was increasing more and more and back in 2005 made Engineers rethink the original design.

In 2016, the telescope was declared ready, but its project was again put on hold due to construction difficulties and remained so until 2019, when it was finally assembled. However, due to the COVID-19 pandemic, there have been more delays until NASA finally scheduled for release on December 18, 2021.

With it, researchers will be able to observe even more things from space, being able to see some of the oldest galaxies in the universe and other celestial bodies such as black holes. Its operation began on July 12, 2022.

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Source: space.com

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