The world’s most advanced space telescope, James Webb, has discovered another ancient “ghost” of the universe named RX J2129-z95, from a world only 510 million years old after the Big Bang.
It’s a literally timeless ghost, Because for light from an object traveling a distance of several billion light-years to reach the James Webb lens orbiting the Earth, it also took about a few years.
The images collected are The image belongs to the past 13.3 billion years agoc (the universe is about 13.8 billion years old). In the present, the RX J2129-z95 may be long gone.
RX J2129-z95 is a small star-shaped galaxy, one of the “ancestors” of the universe.
The RX J2129-z95 is tripled (G1, G2 and G3) at James Webb.
RX J2129-z95 is tripled (G1, G2 and G3) in James Webb data – (Image: NASA/ESA/CSA).
“The galaxy’s volume is about one millionth that of the Milky Way, but it is still seen to form with a number of stars every year” – said Dr. Patrick Kelly, astronomer from the University of Minnesota (USA), lead author of the new study.
According to Sci-News, its diameter is only about 106 light-years. For comparison, the galaxy containing Earth, the Milky Way, is at least 100,000 light years in diameter, not including the halo.
“Ghosts” How’s it going “excavation” This ancient world does not appear alone, but confuses astronomers with 3 different cloned images.
Only one is real, the other two are its reflections. This phenomenon is due to the fact that James Webb observed this ancient object through a region of spacetime distorted by the gravitational field of a closer object, called “gravitational lens”.
This gravitational lens is made up of a huge cluster of galaxies, making the light from the small, ancient object 20 times brighter than it actually is.
This discovery helps scientists better understand the first galaxies in the universe, the first step in a kind of process of formation, destruction, fusion… which contributes to creating a diverse world of galaxies.
Giving insight into these planets to scientists around the world is also the core mission of James Webb, a $9 billion project developed and operated by NASA, with support from two space agencies: Europe and Canada, l ESA and ϹSA.
New research on the RX J2129-z95 has just been published in the scientific journal Science.
Article source: MTN
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The world’s most advanced space telescope, James Webb, has discovered another ancient “ghost” of the universe named RX J2129-z95, coming from…
