Tag Archive for 'Solar-type 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 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...

An artist’s impression of the sub-Neptune exoplanet TOI-421b. Image credit: NASA / ESA / CSA / Dani Player, STScI.

Webb Determines Atmospheric Makeup of Sub-Neptune TOI-421b

May 6, 2025 by News Staff

Sub-Neptunes are high-occurrence exoplanets that have no solar system analog. Much smaller than gas giants and typically cooler than hot-Jupiter exoplanets,...

This image shows the habitable zone around HD 20794 (green) and the trajectory of the three planets in the system. Image credit: Gabriel Pérez Díaz / SMM / IAC.

Astronomers Confirm Presence of Three Exoplanets around Nearby Solar-Type Star

Jan 28, 2025 by Natali Anderson

One of these exoplanets, HD 20794d, is likely to be a rocky planet in the habitable zone of its parent star, the G-dwarf HD 20794. This image shows 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...

HD 63433d sits close to its parent star, HD 63433, while two neighboring, mini-Neptune-sized planets, HD 63433b and HD 63433c, orbit farther out. Image credit: Alyssa Jankowski.

Earth-Sized Exoplanet Found Orbiting HD 63433

Jan 15, 2024 by Enrico de Lazaro

Using NASA’s Transiting Exoplanet Survey Satellite (TESS), astronomers have spotted an Earth-sized planet transiting the young Sun-like star HD 63433. HD...

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...

A visualization of the huge, glowing planetary body produced by the ASASSN-21qj planetary collision. Image credit: Mark Garlick.

Astronomers Detect Afterglow of Collision between Two Ice-Giant Exoplanets

Oct 11, 2023 by Natali Anderson

The collision between two exoplanets of several to tens of Earth masses occurred at a distance of 2-16 AU (astronomical units) from the young solar-like...

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...

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....

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...

Schematics of the observations of TYC 8998-760-1b using SINFONI on ESO’s Very Large Telescope. The background image is captured by the SPHERE instrument on the Very Large Telescope. The small blue box marks the field of view of SINFONI observations targeting TYC 8998-760-1b. Both the host star and TYC 8998-760-1c are outside the field of view. An example of the wavelength-collapsed image is shown in the enlarged blue box, showing negligible contribution from starlight. Image credit: ESO / Bohn et al. / Zhang et al.

Astronomers Detect Carbon-13 in Atmosphere of Young Super-Jupiter

Jul 28, 2021 by Enrico de Lazaro

Astronomers using ESO’s Very Large Telescope have detected the isotopically substituted carbon monoxide, 13CO, in the atmosphere of the young giant exoplanet...

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 image from the SPHERE instrument on ESO’s Very Large Telescope shows the protoplanetary disk around SU Aur. Image credit: ESO / Ginski et al.

SPHERE Spots Giant Planet-Forming Disk around Young Star

Feb 23, 2021 by Enrico de Lazaro

The SPHERE instrument on ESO’s Very Large Telescope (VLT) has taken the most detailed image so far of the 5-million-year-old protoplanetary system SU...

This illustration sketches out the main features of the TOI-451 system. Image credit: NASA’s Goddard Space Flight Center.

TESS Discovers Three Planets in Triple-Star System TOI-451

Feb 16, 2021 by Natali Anderson

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have discovered a trio of hot planets orbiting a much younger version of our Sun...