Brown dwarfs are lighter than stars, and heavier than gas giants like Jupiter. And while astronomers had measured the mass of ...

Israeli astronomers report the detection of a new Jupiter-like exoplanet using the High Accuracy Radial velocity Planet ...

NEW ORLEANS — When astronomer Jackie Faherty peered into space using information from the James Webb Space Telescope, there was something she couldn't take her eyes off of. Brown dwarf W1935, a ...

Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

High-resolution spectroscopic observations of the brown dwarf HD 206893 B reveal it has a radius of about 1.11 Jupiter radii, a mass of approximately 22.7 Jupiter masses, and an effective ...

The brown dwarf, not quite a planet or a star, is Gaia-5b. Respectively, they are 244 and 134 light-years away. "This discovery is an exciting tip-of-the-iceberg for the exoplanet discoveries we ...

Gaia-4b is a planet orbiting the star called Gaia-4, around 244 light-years away. Gaia-4b is about twelve times more massive than Jupiter. With an orbital period of 570 days, it is a relatively cold ...

Recent observations, however, reveal that Gliese 229B is actually two brown dwarfs orbiting each other closely, forming a binary system. This was confirmed through studies using telescopes in ...

36,405 people played the daily Crossword recently. Can you solve it faster than others?36,405 people played the daily Crossword recently. Can you solve it faster than others?

Since its launch in 2013, Gaia has been dedicated to creating an accurate three-dimensional map of the Milky Way. Using two high-precision optical telescopes, the spacecraft carefully records the ...

Gaia-4b and 5b: Radial Velocity Confirmation of Gaia Astrometric Orbital Solutions Reveal a Massive Planet and a Brown Dwarf Orbiting Low-mass Stars. The Astronomical Journal , 2025; 169 (2): 107 ...