#jumbos
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"Dozens of planet-sized objects have been discovered in the Orion Nebula via observations that could herald the existence of a new astronomical category.
The free-floating entities, which have been named Jupiter-mass binary objects, or Jumbos, appear in spectacular images taken by the James Webb space telescope...
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Prof Mark McCaughrean, a senior adviser for science and exploration at the European Space Agency (ESA), said the observations were inspired after data from ground-based telescopes hinted at the existence of the mysterious class of object.
“We were looking for these very small objects and we find them. We find them down as small as one Jupiter mass, even half a Jupiter mass, floating freely, not attached to a star,” he said...
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The smallest stars are about 80 Jupiter masses, below which the core is not dense enough to fuse hydrogen, but smaller objects can coalesce through the same process, including dimly glowing brown dwarfs – sometimes called failed stars – and, below about 13 Jupiter masses, planetary-mass objects. But theoretical predications suggest that the lower boundary for an object forming through a star-like gravitational collapse is about three to seven Jupiter masses.
Smaller free-ranging objects have occasionally been sighted, but it was unclear whether they had formed in situ or had been ejected from a planetary disc around another star. The latest observations are more challenging to explain because, out of the hundreds of roughly Jupiter-sized objects found, dozens are in binary pairs."
More in linked article.
I wonder how many small brown dwarfs(?) like this are drifting around in interstellar space in our galaxy? Intriguing to think that if they're common there might be one relatively close to our solar system...
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Lead study Mexican author Luis Rodríguez, a professor emeritus at the Institute of Radio Astronomy and Astrophysics at the National Autonomous University of Mexico
In 2023, the James Webb Space Telescope (JWST) helped identify hundreds of free-floating "rogue" planets that don't orbit a parent star. Now, astronomers have found that a pair of these planets may be producing enigmatic, hard-to-interpret radio signals.
The rogue planets spotted by JWST lie in the Orion Nebula, a long-time observational hotspot for astronomers. In total, they number over 500. This discovery bonanza was possible thanks to JWST's ability to pick up infrared radiation emitted by these relatively young planets.
Bizarrely, though, about 80 of these planets exist as pairs. Similar in mass to Jupiter, the planets orbit each other at distances ranging from 25 to 400 times the distance between Earth and the sun. These tangoing duos, called Jupiter-mass binary objects (JuMBOs), pose a huge mystery for astronomers, because the existence of these worlds challenges current theories of planet formation. Some scientists think these objects may not even be planets but rather previously unknown entities that are larger than planets but smaller than brown dwarfs, which are sometimes called "failed stars" because they blur the line between planets and stars.
The JWST data showed that JuMBOs generated infrared radiation, but the new study's authors wanted to see if these dancing objects produced radio waves. That's because different classes of cosmic objects produce distinct patterns of radio emissions. For instance, planets like Jupiter spew several types of radio signals, including gigahertz-frequency emissions thousands of times higher-pitched than an FM signal, partly because of their magnetic fields.
Spotting such signatures from the JuMBOs could help resolve their identity. The observations could also explain "why some objects have detectable radio emission and others do not," lead study author Luis Rodríguez, a professor emeritus at the Institute of Radio Astronomy and Astrophysics at the National Autonomous University of Mexico, told Live Science in an email.
To find radio wave "snapshots" of the Orion Nebula where the JuMBOs reside, the scientists combed through archives of observations maintained by the U.S. National Radio Astronomy Observatory (NRAO). They found just one pair that apparently emits radio waves: JuMBO 24. Itself an oddity among the oddball objects, it's the heaviest of the JuMBOs, and also the one with the tightest space between its component planets.
A decade's worth of data the research team collated showed that the radio waves remained steady but strong, with a power of roughly a quarter of a ton of TNT and frequencies of 6 to 10 gigahertz. The radio waves also weren't circularly polarized, meaning they lacked spiral, twisting electric fields, the team reported in their study, published Jan. 8 in The Astrophysical Journal Letters.
But these features aren't what astronomers expect of signals created by planets." Circular polarization is an unambiguous indicator of the presence of magnetic fields," Rodríguez said. Without this, the team can't say definitively that the signals come from JuMBO 24 (assuming the planets have magnetic fields). Besides, radio emissions from other exoplanets are more variable and less intense.
Even if JuMBO 24 isn't a pair of planets but rather another type of cosmic duo, the signals are unusual. Signals from brown dwarfs are very different from the newly identified radio beams. The beams' brightness and frequency even ruled out the possibility of pulsars, the rapidly spinning cores of dead stars that produce pulses of radio waves at regular intervals.
The researchers also estimated the likelihood that the signals originate from an object behind JuMBO 24 and found it to be exceedingly slim, at just 1 in 10,000. And, in case you were wondering, the signals probably don't originate from aliens. "The fact that both components emit at similar levels favors a natural mechanism," Rodríguez said.
With the research at an impasse, the team is applying to the NRAO's Very Large Array in New Mexico to collect data from free-floating planets. Until then, the radio signals will remain a mystery.
#🇲🇽#STEM#Luis Rodríguez#mexican scientists#astronomy#science#Institute of Radio Astronomy and Astrophysics#National Autonomous University of Mexico#James Webb Space Telescope#JWST#radio signals#planets#orion nebula#Jupiter-mass binary objects#JuMBOs#brown dwarfs#jupiter#JuMBO 24#The Astrophysical Journal Letters#pulsars#mexican#latino#hispanic
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James Webb Telescope Weekly Round up - JuMBOs Unveiled: A Cosmic Mystery in the Orion Nebula Captured by the James Webb Space Telescope. Read more about this astonishing discovery here
The James Webb Space Telescope has once again left us in awe with its groundbreaking discoveries! 🚀🔭
In the Orion Nebula, located 1,300 light-years from Earth, astronomers have unveiled a cosmic enigma – Jupiter Mass Binary Objects (JuMBOs)! 🪐🪐 These pairs of planet-like entities challenge the very foundations of our understanding of the universe.
🌠 How did they form? Why are they there? These are questions that have left scientists scratching their heads. This discovery hints at something fundamentally new about star and planet formation.
As Webb continues to probe deeper into the mysteries of the cosmos, we are reminded of the boundless wonders our universe holds. 🌠🤯
Read the full article here and embark on a cosmic journey of discovery.
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@super7 ‘s #Rodan meets some friends. #shogunwarriors #godzilla #voltron #jumbos https://www.instagram.com/p/CokfJ7ZOO6W/?igshid=NGJjMDIxMWI=
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New season dropped,, ive only watched scar and joel's pov so far and i couldnt rest until i drew somethinf ,,, dont have everybody's design down quite yet but we r going somewhere *smiles*
#wild life#life series#life series spoilers#wild life spoilers#wild life smp#grian#goodtimeswithscar#solidaritygaming#ldshadowlady#mumbo jumbo#skizzleman#inthelittlewood#rendog#smallishbeans#geminitay#ethoslab#bdoubleo100#tangotek#pearlescentmoon#scott smajor#zombiecleo#impulse#that is just so many tags oh my god#im so tired with tagging
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the ants are fighting!!
#my art#traffic smp#trafficblr#traffic series#wild life#wild life smp#life series#life series fanart#grian#mumbo jumbo#skizzleman#grian fanart#mumbo fanart#skizz fanart
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i guess this is how warner trys to save faces instead of fixing their movie
#minecraft#mumbo jumbo#anyways im not fucking watching that#dont hatewatch it go watch sth else or donate the money#minecraft movie#kiku_text#1k#5k#10k
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i am going to start a collection
if you have any other posts of this kind please send them to me
update: this one thanks to @iputmcytsintohydraulicpress (great url, by the way)
this one courtesy of @catamaurrr-star
So I didn’t want to separate it into two images, this was the best I could do- thanks to @blocky-tides! also art is by @/cheeryfairies
thanks @o0recipme0o
hey @igotthisaccountunderduress. less mcyt related but thanks anyways :D
heheh
found another one from my favorite game in stars and time go play it
WE'VE GOT A BIG ONE TO ADD TO THE LIST TODAY. EVERYONE SAY HI XKCD. it's my favorite guy ever... skizzleman mention!
...so anyways here's my self-promotion now that this has almost 15,000 notes and you guys sure as hell won't see it if i reblog
My AO3! Not much there right now besides OC stuff, but more to come!
Situations ask game! pleasepleaseplease send me hc/life series stuff here i need enrichment (some of these are shorter, but i can promise you i will deliver!)
@traffic-smp-headcannons! me and mod tides like seeing your ideas :)
(of note: i also take art requests, but only traditional)
#hermitcraft#zombiecleo#impulsesv#traffic life smp#i guess?#life series#grian#mumbo jumbo#moon's big i guess#rendog#falsesymmetry#bdouble0100#homestuck#??? i guess?#wtf even IS homestuck like i know the vague details but lik.e what#anyways.#tma#tmagp#long post#isat#in stars and time#siffrin#isat siffrin
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snails
Heres the rest!
#life series#wild life smp#my art#grian#geminitay#goodtimeswithscar#impulsesv#martyn inthelittlewood#pearlescentmoon#tangotek#zombiecleo#mumbo jumbo#doing the other half tmr!! Im really tired lol
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nightmare fuel fr (i. dont know what possessed me to do this HASJDHAJWHEAWHEIJFKL)
#wild life smp#wild life spoilers#traffic smp#trafficblr#mumbo jumbo#grian#waffle duo#isdoodles#ppl out there cooking angsty as hell stuff or something super impressive or super cute. meanwhile#meanwhile i just love drawing the stupidest shit ever HASDJKAWKAWBRHG
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Loving all the groups so far
#wild life smp#wlsmp#geminitay#smallishbeans#mumbo jumbo#skizzleman#zombiecleo#pearlescentmoon#scott smajor#grian#trafficblr#my art#unknowingly? made gem n joel like fiona n shrek
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hot summer game night
[my piece for @boatemvillagezine]
#hermitcraft#hermitcraft fanart#boatem zine#boatem village zine#grian#grian fanart#mumbo jumbo#mumbo jumbo fanart#pearlescentmoon#pearlescentmoon fanart#goodtimeswithscar#goodtimeswithscar fanart#impulsesv#impulsesv fanart
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"Hey, this is just like us in real life!"
(new life series seems fun!)
#wild life#wild life smp#life series#traffic smp#trafficblr#mumbo jumbo#grian#mcyt#mcytblr#art tag 2024
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that dialogue i cant
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This is definitely how it went down
#wild life spoilers#wild life smp#life series spoilers#life series#grian#goodtimeswithscar#mumbo jumbo#ldshadowlady#solidaritygaming#pearlescentmoon#impulsesv#scott smajor#zombiecleo#bigbst4tz2#skizzleman#ethoslab#bdubbleo100#smallishbeans#geminitay#inthelittlewood#rendog#do i have better things to do than drawing minecraft block people as the last supper?#yes#am i still gonna do it anyways?#absolutely
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