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Jilly_in_VA

(10,902 posts)
Mon Oct 2, 2023, 02:42 PM Oct 2023

Webb telescope finds planet-like objects in Orion

Jupiter-sized "planets" free-floating in space, unconnected to any star, have been spotted by the James Webb Space Telescope (JWST).

What's intriguing about the discovery is that these objects appear to be moving in pairs. Astronomers are currently struggling to explain them.

The telescope observed about 40 pairs in a fabulously detailed new survey of the famous Orion Nebula.

They've been nicknamed Jupiter Mass Binary Objects, or "JuMBOs" for short.

One possibility is that these objects grew out of regions in the nebula where the density of material was insufficient to make fully fledged stars.

Another possibility is that they were made around stars and were then kicked out into interstellar space through various interactions.

"The ejection hypothesis is the favoured one at the moment," said Prof Mark McCaughrean.

"Gas physics suggests you shouldn't be able to make objects with the mass of Jupiter on their own, and we know single planets can get kicked out from star systems. But how do you kick out pairs of these things together? Right now, we don't have an answer. It's one for the theoreticians," the European Space Agency's (Esa) senior science adviser told BBC News.

https://www.bbc.com/news/science-environment-66974738

Holy wow! That's about all I can say. Orion was one of the first constellations my dad taught me to identify.

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Webb telescope finds planet-like objects in Orion (Original Post) Jilly_in_VA Oct 2023 OP
Fascinating.... Bayard Oct 2023 #1
Not surprising though SCantiGOP Oct 2023 #2
But 40!!!!!!! Jilly_in_VA Oct 2023 #4
It would be an AWFUL justaprogressive Oct 2023 #3
James Webb Space Telescope's stunning mosaic of Orion Nebula uncovers rogue planets (photos) Judi Lynn Oct 2023 #5
amazing views! BootinUp Oct 2023 #7
kick BootinUp Oct 2023 #6

SCantiGOP

(14,248 posts)
2. Not surprising though
Mon Oct 2, 2023, 03:12 PM
Oct 2023

I have heard several times over the years of collisions and other anomalies that could cause the Earth or other planets to be ejected from the solar system and spend eternity floating through the depths of deep space.

Judi Lynn

(162,396 posts)
5. James Webb Space Telescope's stunning mosaic of Orion Nebula uncovers rogue planets (photos)
Tue Oct 3, 2023, 05:37 PM
Oct 2023

By Keith Cooper published about 3 hours ago
The observations have uncovered 40 pairs of free-floating gas giants.



This new image from the James Webb Space Telescope's NIRCam short-wavelength channel shows the Orion nebula, its stars, and many other objects in unprecedent high definition in the near infrared. (Image credit: NASA, ESA, CSA / Science leads and image processing: M. McCaughrean, S. Pearson, CC BY-SA 3.0 IGO)


The James Webb Space Telescope has captured two stunning wide-field mosaics of the grandiose Orion Nebula, a large region of star formation that's one of the closest stellar nurseries to the solar system. It sits just 1,344 light-years away.

The huge mosaics, made of over 3,000 individual images, have also been added to the European Space Agency's ESASky app, which is an interactive all-sky map with a user-friendly interface that enables members of the public to view amazing images of the universe taken by the likes of the James Webb Space Telescope (JWST) and the Hubble Space Telescope.

The Orion Nebula is rife with budding stars located inside its billowing clouds of molecular gas. Some 2,800 young stars are known to exist inside the nebula, with many more stellar embryos cocooned within the area's dense veil of gas and dust. And the JWST’s Near Infrared Camera, known as NIRCam for short, is able to peer through much of this gas and dust — doing so has revealed proto-stellar disks, outflows from burgeoning stars, and even free-floating planets.



This second view from Webb's NIRCam long-wavelength channel reveals the gas, dust and molecules with unprecedented sensitivity in infrared, but at lower spatial resolution than in the short-wavelength image. (Image credit: NASA, ESA, CSA / Science leads and image processing: M. McCaughrean, S. Pearson, CC BY-SA 3.0 IGO)

On a winter's night, the nebula is visible to the unaided eye as a fuzzy object just below the three stars that make up the Belt of the Orion constellation. The nebula is illuminated by the Trapezium Cluster, which is a grouping of young stars so-named after the pattern of their four most prominent members. Each star in this quartet is massive, with between 15 and 30 times the mass of our Sun. Their short lives, spanning just a few millions of years rather than billions, will end in supernova explosions.

More:
https://www.space.com/james-webb-space-telescope-rogue-planets-stars-forming

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