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Browsing Tag

Exoplanet

44 posts
SScience
A Planetary Illusion’s Funeral: Non-detection of a Gaia DR3 Exoplanet Candidate, and the Role of Intermediate-precision Radial Velocities in Gaia Exoplanet Follow-up
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A Planetary Illusion’s Funeral: Non-detection of a Gaia DR3 Exoplanet Candidate, and the Role of Intermediate-precision Radial Velocities in Gaia Exoplanet Follow-up

  • March 28, 2026
TRES RV observations of HD 12800. We mark the dates of announcement (2022-06-13) and official retraction (2024-05-27) for…
SScience
JWST Edge-on Disk Ice (JEDIce): Program Overview And Ice Survey Results
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JWST Edge-on Disk Ice (JEDIce): Program Overview And Ice Survey Results

  • March 22, 2026
Optical depth maps of the near-IR H2O, CO2, and CO ice features in the disk sample, calculated for…
SScience
Proton Irradiation of Primitive Atmospheres of Young Exoplanets And Early Earth: N2O Greenhouse Warming And Prebiotic Synthesis
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Proton Irradiation of Primitive Atmospheres of Young Exoplanets And Early Earth: N2O Greenhouse Warming And Prebiotic Synthesis

  • March 22, 2026
The figure shows the HPLC Chromatograms of Amino Acids produced in the Sample B5 irradiation run. — astro-ph.EP…
SScience
The Influence Of Hypothetical Exomoons On Planetary Thermal Phase Curves
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The Influence Of Hypothetical Exomoons On Planetary Thermal Phase Curves

  • March 22, 2026
Temperature distributions and thermal phase curves of the TRAPPIST-1 e system. Panel (a): Snapshot of the effective emission…
SScience
Wind Accretion Onto Planets Orbiting An Evolving Solar-like Star And Their Detectability
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Wind Accretion Onto Planets Orbiting An Evolving Solar-like Star And Their Detectability

  • March 21, 2026
Evolution of the stellar mass-loss rate (𝑀̇ w) and wind velocity (𝑣w) obtained from our 2 M⊙ stellar…
SScience
TOI-4552 b: A New Ultra-short Period Rocky World Revealed By NIRPS And TESS
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TOI-4552 b: A New Ultra-short Period Rocky World Revealed By NIRPS And TESS

  • March 21, 2026
NIRPS RV timeseries of TOI-4552 (top) along with the corresponding periodograms (bottom). Due to the BERV overlap issue…
SScience
Rocky Worlds DDT Data Challenge and Data Challenge Workshop
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Rocky Worlds DDT Data Challenge and Data Challenge Workshop

  • March 21, 2026
Rocky Worlds Director’s Discretionary Program The Rocky Worlds DDT Core Implementation Team (CIT) will soon launch the Rocky…
SScience
An artist’s impression of a planetary system around a slightly hotter star than our Sun. Image credit: Gillis Lowry.
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Astronomers Create Catalogue of Habitable-Zone Rocky Exoplanets

  • March 20, 2026
Using data from ESA’s Gaia mission and the NASA Exoplanet Archive, astronomers at Cornell University have identified 45…
SScience
Searching For Life-As-We-Don’t-Know-It: Mission-relevant Application of Assembly Theory For Exoplanet Life Detection
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Searching For Life-As-We-Don’t-Know-It: Mission-relevant Application of Assembly Theory For Exoplanet Life Detection

  • March 14, 2026
Potentially habitable worlds – Grok via Astrobiology.com This white paper introduces a framework for applying Assembly Theory (AT)…
SSpace
A planetary collision around star Gaia20ehk. Image credit: Andy Tzanidakis.
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Astronomers Witness Aftermath of Catastrophic Planetary Collision

  • March 12, 2026
An unusual flickering of a young F-type star called Gaia20ehk and an expanding cloud of dust around it…
SScience
Photosynthetic Exergy I. Thermodynamic Limits For Habitable-zone Planets
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Photosynthetic Exergy I. Thermodynamic Limits For Habitable-zone Planets

  • February 27, 2026
Spectral flux and exergy at the top of the atmosphere for three blackbody models, all normalized to the…
SScience
Webb Detects Hydrogen Sulfide Gas on Three Super-Jupiters
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Webb Detects Hydrogen Sulfide Gas on Three Super-Jupiters

  • February 16, 2026
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have for the first time identified hydrogen sulfide gas in…
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