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The Orion Nebula seen in HD thanks to the Webb telescope

2022-09-16T08:21:49.657Z


The new James Webb space telescope never ceases to amaze and offers the sharpest and most defined images ever obtained of the 'heart' of the Orion Nebula, the great star-forming region closest to us (ANSA)


The new James Webb space telescope never ceases to amaze and offers the sharpest and most defined images ever obtained of the 'heart' of the Orion Nebula, the large star-forming region closest to us, located in the Orion constellation 1,350 light years from Land.

The images were obtained using the NIRCam tool as part of the 'Early Release Science Photodissociation Regions for All' program, an international collaboration involving a team of over one hundred scientists in 18 countries.

"These new observations allow us to better understand how massive stars transform the cloud of dust and gas in which they are born," explains astrophysicist Els Peeters of Western University (USA).

“Massive young stars emit large amounts of ultraviolet radiation directly into the native cloud that still surrounds them, and this changes the physical shape of the cloud as well as its chemical composition.

Exactly how this happens and how it affects the further formation of stars and planets is not yet fully understood. "

In the new images from the telescope of NASA, the European Space Agency (ESA) and Canada (CSA), "we clearly see several dense filaments", adds Olivier Berné, of the French National Center for Scientific Research (CNRS). "These filamentous structures could promote a new generation of stars in the deeper regions of the cloud of dust and gas.

Star systems already in formation are also visible as well.

Inside the cocoon, young stars are observed with a disk of dust and gas in which the planets are formed.

Small cavities dug by new stars swept by the intense radiation and stellar winds of the newly born stars are also clearly visible ”.

The Orion Nebula continues to represent an object that astronomers study with great interest because it would seem to be very similar to the 'cradle' in which the Solar System was formed over 4.5 billion years ago: by analogy it could therefore help us to reconstruct what it happened in the first million years of our planetary evolution.

Source: ansa

All tech articles on 2022-09-16

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