Search results for brown dwarf

Astronomy Nov 7, 2023

A new trail to exoplanets: Team successfully detects ammonia isotopologues in atmosphere of cold brown dwarf

They reveal the origin of wine, the age of bones and fossils, and they serve as diagnostic tools in medicine. Isotopes and isotopologues—molecules that differ only in the composition of their isotopes—also play an increasingly ...

Astronomy Oct 31, 2023

JWST searches for planets in the Fomalhaut system

The Fomalhaut system is nearby in astronomical terms, and it's also one of the brightest stars in the night sky. That means astronomers have studied it intensely over the years. Now that we have the powerful James Webb Space ...

Astronomy Oct 30, 2023

JWST sees four exoplanets in a single system

When the JWST activated its penetrating infrared eyes in July 2022, it faced a massive wish-list of targets compiled by an eager international astronomy community. Distant, early galaxies, nascent planets forming in dusty ...

Astronomy Oct 24, 2023

Why NASA's Roman mission will study Milky Way's flickering lights

NASA's Nancy Grace Roman Space Telescope will provide one of the deepest-ever views into the heart of our Milky Way galaxy. The mission will monitor hundreds of millions of stars in search of tell-tale flickers that betray ...

Astronomy Oct 24, 2023

W1055+5443 is a Y-type brown dwarf, observations find

Using the Keck II telescope, astronomers have performed near-infrared spectroscopic observations of a nearby brown dwarf known as CWISE J105512.11+544328.3, or W1055+5443 for short. Results of the observational campaign, ...

Astronomy Oct 16, 2023

Webb detects quartz crystals in clouds of hot gas giant

Researchers using NASA's James Webb Space Telescope have detected evidence for quartz nanocrystals in the high-altitude clouds of WASP-17 b, a hot Jupiter exoplanet 1,300 light-years from Earth.

Ecology Oct 13, 2023

Factory fishing in Antarctica for krill targets the cornerstone of a fragile ecosystem

The Antarctic Endeavour glides across the water's silky surface as dozens of fin whales spray rainbows from their blowholes into a fairy tale icescape of massive glaciers.

Plants & Animals Oct 9, 2023

New fish species found in the Great Barrier Reef

At a time when marine life is disappearing from the world's oceans, researchers are celebrating the discovery of a new species of coral reef fish in the southern waters of the Great Barrier Reef.

Astronomy Oct 3, 2023

Webb's wide-angle view of the Orion Nebula is released on ESASky

New images of the Orion Nebula from the NASA/ESA/CSA James Webb Space Telescope have been included in ESA's ESASky application, which has a user-friendly interface to visualize and download astronomical data.

Astronomy Sep 20, 2023

Galaxies breathe gas, and when they stop, no more stars form

For most of the history of astronomy, all we could see were stars. We could see them individually, in clusters, in nebulae, and in fuzzy blobs that we thought were clumps of stars but were actually galaxies. The thing is, ...

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