Here it is, folks. Admire! This is what we were preparing for
to see the first detailed picture of the Orion Nebula, taken by the James Webb Space Telescope!
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JWST’s NIRCam camera looked at this cradle of star formation and found incredible details hidden from view by gas and dust clouds.
The images of the nebula come from a research project called Photodissociation Regions for All. This is part of the telescope’s early release science program.
A number of astronomers around the world are part of the PDRs4All group, and they have been planning these observations for a long time.
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“We are amazed by the breathtaking images of the Orion Nebula. We started this project in 2017, so we have been waiting for this data for more than five years,”
said Western astrophysicist Els Peters, who is part of the group. So where exactly did JWST point and what did it find? The Orion Nebula that we all know and love exists inside a larger object called the Orion Molecular Cloud.
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The central part is in the middle of the constellation Orion, just below the three stars that form its belt. JWST has targeted a smaller, innermost region near a group of stars called the Trapezium.
His observation was planned to capture what happens in star birth regions. Light from the Trapezius stars (not visible in the JWST image below) illuminates the view. Trapezoid and other young stars in the region emit strong ultraviolet (UV) radiation.
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It corrodes clouds of gas and dust in a process called “photodissociation”. In particular, ultraviolet light destroys a feature called “Orion’s band” that we see edge-on. This is a thick wall of dust and gas that crosses the image diagonally.
Astronomers have long known that UV radiation from hot young stars plays a role in the formation of gas and dust clouds. With NIRCam’s ability to penetrate clouds of gas and dust, more details are revealed about how ultraviolet light and other activities alter clouds.
“These new observations allow us to better understand how massive stars transform the gas and dust cloud where they were born,” said Peters, professor of astronomy at Western University in Canada. Although this nebula is about 1,500 light-years away,
its details provide new insights into what conditions were like in the nebula where our own sun and planets were born.
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Thick clouds of gas and dust block the view of the Orion Nebula.
Hubble and other telescopes were practically unable to “see through” the dust in these regions.
JWST detects infrared light from objects obscured by dust and lifts the veil over the cradle of stars to reveal amazing details.
