What did the state-of-the-art telescope “see” and what doors do they open to humanity’s knowledge of the Universe
When the James Webb telescope was placed in orbit around the Earth, the contributors of the operation spoke of a historic moment for humanity, of opening a door that will reveal its secrets to us Universe.
A few months after its activation, the expectations were not only justified, but exceeded all calculations. The images recorded by the state-of-the-art telescope provide information about the Universe that, otherwise, man could not even imagine.
In the last 24 hours, James Webb had turned its “eye” to the “womb” of the Universe, the region of “birth”, or as scientists call it, the “Pillars of Creation”.
The image is amazing, as well as terrible, as it captures the power of nature, in an area reminiscent of a Battle of the Titans.
Check out his new photo James Webb from the area of birth:
What did James Webb “see”?
The detection of dust by Webb’s Mid-Infrared Instrument (MIRI) is extremely important – dust is an important ingredient in star formation. Many stars are actively forming in these dense blue-gray pillars. When knots of gas and dust with sufficient mass form in these regions, they begin to collapse under their own gravitational pull, slowly heat up—and eventually form new stars.
Although the stars seem missing, they are not. Stars usually do not emit much mid-infrared light. Instead, they are easier to detect in UV, visible, and near-infrared light. In this MIRI view, two types of stars can be identified. The stars at the end of the thick, dusty pillars have recently eroded the material surrounding them. They appear red because their atmospheres are still shrouded in dust mantles. In contrast, blues indicate stars that are older and have shed most of their gas and dust.
Mid-infrared light also describes dense regions of gas and dust. The red area towards the top, which forms a subtle V shape, is where the dust is both diffuse and cooler. And although it may appear that the scene clears towards the lower left of this view, the darkest gray areas are where the densest and coldest dust regions are. It is observed that there are far fewer stars and no background galaxies are visible.
James Webb’s mid-infrared data will help researchers determine exactly how much dust is in this region—and what it’s made of. These details will make the models of the Pillars of Creation much more accurate.
Over time, we will begin to understand more clearly how stars form and erupt from these dusty clouds over millions of years.
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