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Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Elias 2-24 b is not something you can spot with your eyes or an ordinary telescope. Astronomers detected it in professional images that suppress the glare of its star, then confirmed it by comparing observations taken years apart. NASA described it in September 2026 as the youngest known exoplanet, at less than one million years old.
Why Elias 2-24 b is remarkable
Most known exoplanets are studied long after their formation. Elias 2-24 b is still in its natal disk of gas and dust, and is continuing to accrete material. NASA describes it as about as massive as Jupiter and places its host star roughly 450 light-years from Earth. These are approximate descriptions; the cited reporting does not give detailed measurement uncertainties.
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The planet sits in a prominent gap in the disk. Such gaps are consistent with the idea that forming planets can shape the material around them. As lead researcher Andrea Bernardi put it, “The planets should be found within the gaps, since they are carving them. And that’s exactly where we found Elias 2-24 b.” NASA also says the planet is about 10 times farther from its star than Jupiter is from the Sun.
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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesNASA’s September 2026 account calls Elias 2-24 b the youngest known exoplanet, at less than one million years old. The previous youngest-known record holders were more than five million years old, according to co-author Lucas Cieza, as quoted by NASA. “Youngest known” describes the record in that report; it is not a claim that astronomers have found every planet at an earlier stage.
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How astronomers confirmed the planet
They searched older Keck observations
The confirmation came from archival observations rather than a single new image. Researchers searched the Keck Observatory Archive and found the source in coronagraph observations from 2018 and 2020. The data had been collected earlier and were funded by NASA, according to NASA’s account.
They checked how the source moved
A faint point near a bright star can be an imaging artifact or a background star rather than a planet. The researchers compared the source’s position across observations taken at different times. Its movement was consistent with an object orbiting Elias 2-24, supporting the planet identification rather than those alternatives.
This was a direct-imaging confirmation: astronomers detected light from a faint source close to its star, rather than reporting a transit as the planet crossed in front of the star. The coronagraph suppresses the star’s glare, helping reveal the much fainter nearby object; comparisons across dates provide an additional check on what the image contains.
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A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11What “seeing” Elias 2-24 b means
Here, “seeing” means detecting and analyzing the planet with professional observatory instruments and archival data. NASA says Elias 2-24 b is at the limit of what current telescopes can detect. The cited reporting does not establish a way to see it with the unaided eye or a consumer telescope, so buying or pointing an ordinary telescope at the system is not a practical way to view this particular planet.
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NASA’s September 2026 report says the Nancy Grace Roman Space Telescope launched on August 30, 2026, and describes its coronagraph as a more powerful instrument that could make detections of faint planets easier. That is a broader prospect for future observations, not a promise that Roman will observe Elias 2-24 b.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What this young planet can teach astronomers
Because Elias 2-24 b is still gathering material, it offers a rare opportunity to study giant-planet formation in progress. Its age and location in a disk gap can help researchers examine how quickly giant planets form and how they interact with the gas and dust around them.
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The discovery does not by itself establish a new formation mechanism. Cieza, a professor at the Instituto de Estudios Astrofísicos in Chile and a co-author, told NASA: “Elias 2-24 b shows us that even our best planet-formation models are still missing some important processes.” The finding points to something models need to account for; it does not identify exactly which process is missing.
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