Then NASA teased us with an announcement scheduled for todayLast message: The farthest star ever discovered. The result was real luck as he needed the help of a telescope and a gravitational lens effect to detect the star.
Nicknamed the star Irendal Astronomers and It emitted its light during the first billion years of the universe. The previous Hubble long-distance record, which occurred in 2018, is about 4 billion years after the Big Bang (thus, a historic discovery). Here is the effect of gravity lensing Observed through telescope).
The celestial body is located within the largest cluster of galaxies WHL0137-08. This is where the James Web Space Telescope comes into play: the instrument examines this cluster Know the brightness, temperature and composition of the Earendel. The latter, though experts doubt it, may be a first-generation star.
The newly discovered star is far away Its light took 12.9 billion years to reach Earth, Appears to us when the universe was only 7% of its present age. “Usually at these distances, entire galaxies are made up of millions of stars that look like tiny dots.“Said Brian Welch, an astronomer at Johns Hopkins University in Baltimore.”The galaxy that holds this star is magnified and distorted by gravitational lenses and we call it the Sunrise Arc.“.
In short, a truly incredible discovery.
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