Planetary-Mass Exomoon Found Circling Brown Dwarf
Researchers say the object has about 0.9 Jupiter masses and a 170-day orbit, but further observations are needed to confirm the signal.
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8 Articles
The research surprised the scientific community because the object found does not fit current classifications. Find out what makes it so special and why it generates debate.
Scientists Discover Massive Alien "Exosatellite"
Scientists have discovered a puzzling object in a distant star system that defies classification. Hear us out. The object in question orbits a brown dwarf. A brown dwarf is a substellar type of object that larger than a gas giant but smaller than the smallest stars. And this brown dwarf, in turn, orbits the system’s main star. Since the newly-identified object doesn’t orbit a planet, it technically isn’t a “moon” by any normal definition, but it…
We assumed exomoons would be easy to find once we had the technology — but moons are small, dim, and hidden in the glare of their host, and it took until July 2026 and a radial-velocity wobble on a brown dwarf before astronomers had their first plausible detection
For years, exomoons felt like one of those astronomical discoveries that should arrive almost automatically once telescopes became sensitive enough. We had found thousands of planets around other stars. Our own Solar System contains more moons than planets. Surely the first moon beyond it was mostly a matter of waiting. I had absorbed that assumption without examining it closely. Then I read the paper behind the July 2026 report from the CD-35 2…
A team from the Millennium Nucleus YEMS, Chile, detected around a brown dwarf of the CD-35 2722 system, 72 light-years old, a companion as massive as the planet Jupiter, according to works published in July 2026 in Nature. Up to now, astronomers had identified more than 6,000 worlds outside the Solar System without ever confirming the slightest moon around one of them. This exolune escapes from the usual squares, because it revolves around a sta…
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