Tag Archive for 'Sun-like star'

This image, taken with ESO’s Very Large Telescope, is the first clear detection of a protoplanet in a disk with multiple rings. Image credit: ESO / van Capelleveen et al.

Astronomers Spot Growing Protoplanet in Disk Gap around Young Solar Analog

Aug 27, 2025 by Natali Anderson

Using the SPHERE instrument on ESO’s Very Large Telescope (VLT), astronomers have directly imaged a 4.9-Jupiter-mass protoplanet in a cleared gap of...

This artist’s concept shows what a gas giant orbiting Alpha Centauri A could look like. Image credit: NASA / ESA / CSA / STScI / Robert L. Hurt, Caltech & IPAC.

Webb Images Giant Exoplanet Candidate in Habitable Zone of Alpha Centauri A

Aug 8, 2025 by News Staff

This planet candidate, Alpha Centauri Ab, could be a gas giant, orbiting 1 to 2 times the distance between Sun and Earth, according to two papers to be...

An artist’s rendition of the YSES-1 system consisting of the Sun-like star in the center, YSES-1b and its dusty circumplanetary disk (right), and YSES-1c with silicate clouds in its atmosphere (left). Image credit: Ellis Bogat.

Webb Observes Two Young Exoplanets in YSES-1 System

Jun 11, 2025 by News Staff

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected silicate clouds in the atmosphere of the exoplanet YSES-1c and a circumplanetary...

An artist’s impression of a debris disk around the Sun-like star HD 181327. Image credit: NASA / ESA / CSA / STScI / Ralf Crawford, STScI.

Webb Detects Crystalline Water Ice in Debris Disk around Young, Sun-Like Star

May 14, 2025 by News Staff

Water ice heavily influences the formation of giant planets and may also be delivered by comets to fully formed rocky planets. Using data from the Near-Infrared...

This Webb image shows NGC 346, a massive star cluster in the Small Magellanic Cloud. Yellow circles overlaid on the image indicate the positions of the ten stars surveyed in the study. Image credit: NASA / ESA / CSA / STScI / Olivia C. Jones, UK ATC / Guido De Marchi, ESTEC / Margaret Meixner, USRA.

Protoplanetary Disks around Sun-Like Stars Appear to Live Longer in Early Universe

Dec 16, 2024 by News Staff

In 2003, Hubble provided evidence of a massive exoplanet around a very old star. Such stars possess only small amounts of heavier elements that are the...

Snapshot of the ancient stellar flyby. The turquoise particles indicate the TNOs injected into the planet region by the flyby. The perturber star passed through the disk at a perihelion distance of 110 AU on the right-hand side of the picture. Image credit: Pfalzner et al., doi: 10.1038/s41550-024-02349-x.

Close Passage of Sun-Like Star Shaped Outer Solar System Billions of Years Ago, Research Suggests

Sep 10, 2024 by Natali Anderson

At least 140 million Sun-like stars in our Milky Way Galaxy are likely to have experienced a similar stellar flyby, according to new research by a team...

An artist’s conception of 126 planets in the new TESS-Keck Survey catalog is based on data including planet radius, mass, density, and temperature; question marks represent planets requiring more data for full characterization. Image credit: W.M. Keck Observatory / Adam Makarenko.

Astronomers Create Catalog of Exotic Exoplanets

May 24, 2024 by News Staff

Created as part of the TESS-Keck Survey, the new catalog includes 126 strange planets beyond our Solar System, from rare worlds with extreme environments...

An artist’s impression of the giant exoplanet Kepler-1704b. Image credit: Sci-News.com.

Jupiter-Like Exoplanets May Be More Common than Previously Found

Oct 18, 2023 by News Staff

Young moving stellar groups are the best targets for direct imaging of exoplanets and four massive Jupiter-like planets have been already discovered in...

This Webb image shows HH 211, a Herbig-Haro object located 1,000 light-years away in the constellation of Perseus. Image credit: NASA / ESA / CSA / Webb / T. Ray, Dublin Institute for Advanced Studies.

Outflows from Young Protostars are Mostly Molecular, Webb Astronomers Find

Sep 17, 2023 by Natali Anderson

Herbig-Haro (HH) objects are formed when stellar winds or jets of gas spewing from protostars form shock waves colliding with nearby gas and dust at high...

The direct image of the giant exoplanet AF Lep b. Image credit: Franson et al., doi: 10.3847/2041-8213/acd6f6.

Astronomers Directly Image Jupiter-Like Exoplanet around Nearby Young Star

Jul 4, 2023 by Enrico de Lazaro

The giant exoplanet AF Leporis b orbits a 1.2-solar-mass star in the 24-million-year-old beta Pictoris moving group. The direct image of the giant exoplanet...

Shapiro et al. show that the development of complex life on planets in the habitable zone can be sustained from a few percent of oxygen upward, being robust for a large range of stellar characteristics and against major extraterrestrial cataclysms. Image credit: MPS / Hormesdesign.de.

Metal-Poor Stars are More Suitable for Evolution of Life on Their Planets: Study

Apr 18, 2023 by Natali Anderson

Atmospheric ozone and oxygen protect the biosphere of our planet against harmful ultraviolet radiation. In new research, astronomers modeled atmospheres...

Kosec et al. mapped the winds associated with the accretion disk around Hercules X-1, a binary system located 6,600 parsecs (21,526 light-years) away in the constellation of Hercules. Image credit: Jose-Luis Olivares, MIT / D. Klochkov, ESA.

Astronomers Map Colossal ‘Disk Winds’ in Hercules X-1

Apr 12, 2023 by News Staff

Hercules X-1 is an X-ray binary system in which a neutron star is drawing material away from a Sun-like star. This neutron star’s accretion disk is unique...

This composite image shows one of the studied clusters, NGC 3293, which is 11 million years old and is located about 8,300 light-years from Earth in the constellation of Carina. The image contains X-rays from Chandra (purple) as well as infrared data from ESA’s Herschel Space Observatory (red), longer-wavelength infrared data from NASA’s retired Spitzer Space Telescope (blue and white), and optical data from the MPG/ESO 2.2-m telescope at ESO’s La Silla Observatory appearing as red, white and blue. Image credit: NASA / CXC / Penn State University / Getman et al. / ESA / JPL-Caltech / Herschel Space Observatory / IPAC / SSC / Spitzer Space Telescope / MPG / ESO / G. Beccar.

Astronomers Trace Evolution of X-Ray Activity in Young Sun-Like Stars

Dec 27, 2022 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory and ESA’s Gaia satellite have studied a sample of 6,003 stars in 10 different open clusters with...

An artist’s concept of the Gaia BH1 binary system. Image credit: International Gemini Observatory / NOIRLab / NSF / AURA / J. da Silva / Spaceengine / M. Zamani.

Dormant Stellar-Mass Black Hole Detected 1,600 Light-Years Away

Nov 4, 2022 by News Staff

Gaia BH1 has a mass of 9.62 times the mass of the Sun and is orbited by a bright Sun-like star at about the same distance as our planet orbits the Sun....

An artist’s illustration shows a white dwarf (right) circling a larger, Sun-like star (left) in an ultra-short orbit, forming a cataclysmic binary system. Image credit M. Weiss / Harvard & Smithsonian’s Center for Astrophysics.

Newly-Discovered Cataclysmic Variable Has Extremely Short Orbit

Oct 6, 2022 by News Staff

ZTF J1813+4251 is a 51-minute-orbital-period, fully eclipsing binary system consisting of a star with a temperature comparable to that of the Sun but...

ALMA Images Highly Eccentric Debris Disk around HD 53143

Jun 14, 2022 by Enrico de Lazaro

HD 53143 is a one-billion-year-old solar-type star located 59.8 light-years away in the constellation of Carina. This composite image shows the HD 53143...

Two Giant Exoplanets Found around Sun-Like Star

Jun 11, 2021 by News Staff

Professional astronomers and citizen scientists from the NASA-funded Planet Hunters TESS project have discovered a two-planet system around the bright...

A direct image of the massive exoplanet YSES 2b and its host star. Image credit: ESO / SPHERE / VLT / Bohn et al.

Astronomers Directly Image Giant Planet around Young Sun-Like Star

Apr 20, 2021 by Natali Anderson

Astronomers using the Spectro-Polarimetric High-contrast Exoplanet Research (SPHERE) instrument on ESO’s Very Large Telescope have discovered and directly...

This artist’s conception shows a hypothetical rocky exoplanet in the Alpha Centauri system. Image credit: Michael S. Helfenbein.

Astronomers Directly Image Habitable-Zone Planet around Alpha Centauri A

Feb 11, 2021 by News Staff

Using a newly developed system for mid-infrared exoplanet imaging, astronomers from the Breakthrough Watch Initiative say they can now use ground-based...

An artist’s impression of the five-planet system HD 108236. Image credit: Sci-News.com.

Five Giant Planets Orbit Nearby Sun-Like Star

Jan 29, 2021 by Natali Anderson

Astronomers using ESA’s CHaracterising ExOPlanet Satellite (CHEOPS) have discovered a fifth planet around the bright, Sun-like star HD 108236. An artist’s...