Astronomy|A galaxy similar to our home galaxy, the Milky Way, could have been born from the “Christmas lights”.
The summary is made by artificial intelligence and checked by a human.
Before Christmas, the James Webb space telescope accidentally photographed groups of stars, which apparently will eventually form a galaxy far away from us.
The picture shows a dozen different colored star clusters that shine like Christmas decorations.
Star groups are in different stages of their life cycle. The light they emit varies according to the size of the stars.
The light of the star clusters started its journey more than 13 billion years ago.
A space telescope James Webb has photographed for the first time what our own home galaxy, the Milky Way, apparently looked like when it began to form.
In the picture is born galaxya protogalaxy. In the picture, ten constellations have drifted close to each other. The reason is gravity.
The picture has a surprising Christmas feeling, as the lights of the star groups of the nascent galaxy sparkle like colorful Christmas lights.
“The ‘Christmas lights’ of the nascent galaxy shone when the universe was about 600 million years old,” says the Astronomer Royal for Scotland Catherine Heymans British Broadcasting Corporation on the BBC website.
“Our information about what exactly happened at this point in the universe is very scarce,” says the astronomer leading the study of the budding galaxy Lamiya Mowla from Wellesley University, Massachusetts, USA.
“We are still able to tell something about the age, composition and temperatures at which galaxies form in each group of stars,” he tells the BBC.
Webbin a dozen different colored star clusters stand out in the picture. They look like Christmas tree decorations shining in the dust of the cosmos.
In this way, Webb described for the first time such a region of space where groups of stars perhaps form a fairly common galaxy like our Milky Way.
At least the mass of the emerging galaxy is of the same order as the Milky Way was when it started to form, says the image Webb’s website.
The lights provide clues about how the universe’s billions of galaxies first began to form.
I picture constellations are different colors. Mowla says they are at different stages of their life cycle. The wavelength of the light emitted by the stars varies according to the size of the stars and star groups.
“The early life of galaxies is very active,” says Mowla.
As more and more new stars are born in the galaxy, at the same time the youngest stars can die nearby. They spread matter and dust into nearby space. The nascent galaxy contains a lot of space gases and dust.
The elements nitrogen and oxygen and their combinations make up the main part of the Christmas colors in the picture.
Mowala has never seen clusters of stars in such vivid and varied colors before.
Just the colors made him check Webb’s big picture of deep space to see how far away that tiny object was.
There were countless other options in the same picture, but not as interesting.
It turned out that the star clusters were more than 13 billion light years away. So the light has traveled more than 13 billion years before it hit the mirrors and lenses of the space telescope.
Clusters of stars were so small and so far away that even Webb could not have seen them without a lucky chance.
Space itself was helpful in filming. Between the colorful lights and Webb was a large cluster of galaxies.
Its gravity distorted space-time Einstein of relativity in accordance with. Gravity bent light rays behind the galaxy and brought the group of stars into view.
To the observer, it was like a huge magnifying glass. Astronomers describe this phenomenon with the word gravitational lensing.
“The phenomenon amplified the distant light. Thanks to the lens, we can see more details of the object.”
The discovery of the star clusters was explained in a study that appeared science journal in Nature.
Telescopes the largest and most beautiful ie the James Webb Space Telescope Space Telescope (JWST) has been photographing numerous objects in space for almost 2.5 years.
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