Results 31 to 40 of about 631 (181)
TOI-4600 b and c: Two Long-period Giant Planets Orbiting an Early K Dwarf
The Astrophysical Journal Letters, 2023 We report the discovery and validation of two long-period giant exoplanets orbiting the early K dwarf TOI-4600 ( V = 12.6, T = 11.9), first detected using observations from the Transiting Exoplanet Survey Satellite (TESS) by the TESS Single Transit ...
Ismael Mireles +33 more
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Rapid Communications in Mass Spectrometry, Volume 40, Issue 19, 15 October 2026.ABSTRACT Rationale Nitrogen isotope values have been widely used for tracing ancient biogeochemical processes, but contaminant‐sensitive materials, such as Precambrian sedimentary rocks, meteorites, or returned extraterrestrial samples, often have low nitrogen levels and are thus vulnerable to modern organic contamination.
Kunmanee Bubphamanee +2 more
wiley +1 more source
The Astronomical JournalThe correlation between inner super-Earths (SEs) and outer cold Jupiters (CJs) provides an important constraint on the formation and dynamical evolution of planetary systems.
Quanyi Liu +3 more
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Journal of Computer Assisted Learning, Volume 42, Issue 4, August 2026.ABSTRACT Background Video data provides rich opportunities to examine student behaviour in game‐based learning environments, capturing not only observable actions but also subtle indicators of cognitive engagement. However, traditional video analysis is labor‐intensive, and current applications of AI to this task are limited by models trained on ...
Yiqiu Zhou +7 more
wiley +1 more source
The Astronomical JournalThe detection and characterization of habitable planets around nearby stars persist as some of the foremost objectives in contemporary astrophysics.
Chunhui Bao +6 more
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The Astronomical Journal, 2023 Most existing exoplanets are discovered using validation techniques rather than being confirmed by complementary observations. These techniques generate a score that is typically the probability of the transit signal being an exoplanet ( y ( x ...
Hamed Valizadegan +5 more
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The Complexity of Deep Aqueous Fluids in Planetary Ultramafic Mantles
Geochemistry, Geophysics, Geosystems, Volume 27, Issue 7, July 2026.Abstract Planetary volatiles cycle through a planet's crust, mantle, and atmosphere, playing a crucial role in surface processes and habitability. Discussions of planetary volatiles traditionally focus on water, carbon, nitrogen, and sulfur, but fluids in contact with silicate rocks and ultramafic mantles can contain significant amounts of magnesium ...
Sophia E. Economon +1 more
wiley +1 more source
Spectrometric method for detecting exoplanets as another test to verify the invariance of the velocity of light [PDF]
Moscow University Physics Bulletin, 2011 Hypothetical influences of variability of light velocity due to the parameters of the source of radiation, for the results of spectral measurements of stars to search for exoplanets are considered. Accounting accelerations of stars relative to the barycenter of the star - a planet (the planets) was carried out.
Mushailov, B. R., Teplitskaya, V. S.
openaire +2 more sources
The NASA Exoplanet Archive and Exoplanet Follow-up Observing Program: Data, Tools, and Usage
The Planetary Science JournalThe NASA Exoplanet Archive (NEA) and the Exoplanet Follow-up Observing Program service are two widely used resources for the exoplanet community. The NEA provides a complete and accurate accounting of exoplanetary systems published by NASA missions and ...
Jessie L. Christiansen +19 more
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The Astronomical Journal, 2023 The TESS mission produces a large amount of time series data, only a small fraction of which contain detectable exoplanetary transit signals.
Evan Tey +10 more
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