Previously, researchers believed that they had discovered the most distant galaxy in the Universe - it was called MACS0647-JD. But
In a new blog post from NASA, the EuropeanSpace Agency and the Space Telescope Science Institute describes the difference the new observations have made. 10 years ago, this pale red dot seemed to be a tiny galaxy the size of the Milky Way in the first 400 million years after the big bang. And now another galaxy has been found next to it.
Plot MACS0647-JD
The goal of the $10 billion Webb Telescope is to help scientists understand how the first stars and galaxies formed in a universe estimated at 13.8 billion years old.
The phenomenon known as gravitylensing helped Webb reveal more information about MACS0647-JD. The massive gravity of the foreground galaxy cluster acted like a cosmic lens, bending and magnifying the light from the distant system. This effect not only made MACS0647-JD more visible, but also scattered copies of the system at different scales in three parts of the image.
According to the researchers, the blue gas in the imageindicates very young star formation and little dust. Scientists plan to conduct a deep study to determine exactly that these are two galaxies.
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