Search results for brown dwarf

Astronomy Aug 14, 2024

New massive eccentric brown dwarf discovered

An international team of astronomers has reported the discovery of a new brown dwarf, which received designation TOI-2490 b. The newfound object is about 74 times more massive than Jupiter and orbits a sun-like star on a ...

Ecology Aug 3, 2024

Oceans without sharks would be far less healthy, says new research

There are more than 500 species of sharks in the world's oceans, from the 7-inch dwarf lantern shark to whale sharks that can grow to over 35 feet long. They're found from polar waters to the equator, at the water's surface ...

Astronomy Jul 18, 2024

Observations detect a nearby hypervelocity stellar/substellar object

Using the Keck II telescope, astronomers have detected an object that may be a brown dwarf or a low-mass star, exhibiting a very high radial velocity. The object, designated CWISE J124909.08+362116.0 is located some 400 light ...

Astronomy Jul 15, 2024

Observatory gears up to detect thousands of elusive brown dwarfs, unlocking Milky Way mysteries

One could argue that brown dwarfs don't get the love they deserve. Sometimes referred to as "failed stars," they don't have enough mass to sustain nuclear fusion, which powers all stars, including our sun. But they are also ...

Astronomy Jul 15, 2024

Scorching storms on distant worlds revealed in new detail

Astronomers have created the most detailed weather report so far for two distant worlds beyond our own solar system. The international study—the first of its kind—reveals the extreme atmospheric conditions on the celestial ...

Planetary Sciences Jul 11, 2024

Scientific definition of a planet says it must orbit our sun: A new proposal would change that

Planetary scientists are proposing a new definition of a planet to replace one that many researchers view as sun-centric and outdated. The current definition—established in 2006 by the International Astronomical Union (IAU), ...

Astronomy Jul 11, 2024

Astronomers apply machine learning techniques to find early-universe quasars in an ocean of data

Quasars are extremely luminous galactic cores where gas and dust falling into a central supermassive black hole emit enormous amounts of light. Due to their exceptional brightness, these objects can be seen at high redshifts, ...

Astronomy Jul 2, 2024

NASA's NEOWISE infrared heritage will live on

NASA's near-Earth-object-hunting mission NEOWISE is nearing its conclusion. But its work will carry on with NASA's next-generation infrared mission: NEO Surveyor.

Astronomy Jun 20, 2024

Scientists spot hidden companions of bright stars

Photographing faint objects close to bright stars is incredibly difficult. Yet, by combining data from ESA's Gaia space telescope with ESO's GRAVITY instrument on the ground, scientists managed just that. They took the first ...

Astronomy Jun 19, 2024

Observations explore stellar content of nearby young open cluster Berkeley 59

Astronomers from India and Thailand have observed a young nearby open cluster known as Berkeley 59. Results of the observational campaign, published June 12 on the pre-print server arXiv, deliver essential information regarding ...

page 13 from 40