Archive · 24 Jul 2026
Scientists Detect Potential First Exomoon Orbiting Brown Dwarf
Scientists have found something really interesting in space.
They think they might have discovered the first moon outside our Solar System, called an exomoon.
This exomoon is orbiting a brown dwarf, which is like a small star that's not quite big enough to be a star.
The brown dwarf is part of a system with a star that's about half the size of our Sun.
The exomoon is at least as big as Jupiter, which is a huge planet in our Solar System.
Scientists are not sure if they should call this object an exomoon or an exoplanet because it's different from what we usually see in our Solar System.
They used a special method called radial velocity analysis to find this object.
This discovery is exciting because it could help us learn more about how moons and planets form and what they are made of.
Scientists detected a potential exomoon orbiting a brown dwarf in the system 'CD-35 2722'.
The object is at least as massive as Jupiter and orbits the brown dwarf in approximately 170 days.
The brown dwarf has more than 30 times the mass of Jupiter and orbits a star about half the mass of the Sun.
The classification of the object as an exomoon or exoplanet is uncertain due to the unique nature of the system.
Radial velocity analysis was used to model the system and detect the potential exomoon.
- Who
- Scientists led by Kevin Hoy at the European Space Observatory (ESO) in Chile
- What
- Detection of a potential exomoon orbiting a brown dwarf
- When
- Published in the journal Nature
- Where
- System 'CD-35 2722'
- Why
- To understand the nature and classification of celestial bodies beyond our Solar System
Exoplanet Classification
Exomoon Classification
Nature of the Object
Exoplanet Classification
The object is classified as an exoplanet due to its mass and orbit around a brown dwarf.
Exomoon Classification
The object is considered an exomoon because it orbits a brown dwarf, which in turn orbits a star.
- Object Mass
- At least as massive as Jupiter
- Brown Dwarf Mass
- 30 times Jupiter's mass
- Star Mass
- Half the mass of the Sun
- Orbital Period
- Approximately 170 days
- System Name
- CD-35 2722
- Detection Method
- Radial velocity analysis
- Journal
- Nature
- Lead Author
- Kevin Hoy