2026 · 地外矿物 · This article reviews the emerging field of exo-geoscience, focusing on the geological and geophysical processes thought to influence the evolution and (eu)habitability of rocky exoplanets. We examine the possible roles o…
2026 · 地外矿物 · Water and land surfaces on a planet interact in particular ways with gases in the atmosphere and with radiation from the star. These interactions define the environments that prevail on the planet, some of which may be m…
2026 · 地外矿物 · China’s deep space exploration has achieved remarkable accomplishments and is now undergoing a significant strategic transition from an engineering-driven program to one that integrates engineering and science. This shif…
2026 · 地外矿物 · Abstract A crucial factor governing the habitability of exoplanets is the availability of bioessential elements such as nitrogen (N) and phosphorous (P), which foster prebiotic chemistry and sustain life after its emerge…
2026 · 地外矿物 · Abstract This article reviews the short-, medium-, and long-term prospects for characterizing rocky exoplanets, a central goal of contemporary astrophysics. The primary objectives are to determine whether these planets h…
2026 · 地外科学 · The atmospheric composition of rocky exoplanets offers an important tool for constraining the properties of the interior of this type of planet, beyond what is possible from measurements of their mass and radius alone. H…
2026 · 地外科学 · The discovery and study of exoplanets has relied on both targeted searches and blind surveys throughout the thirty year history of the field. In particular, imaging surveys of young, nearby stars have yielded intriguing …
2026 · 地外科学 · The discovery and study of exoplanets has relied on both targeted searches and blind surveys throughout the thirty year history of the field. In particular, imaging surveys of young, nearby stars have yielded intriguing …
2026 · 地外科学 · There are eight planets in the Solar System, each unique in many ways but all sharing one similarity: they are formed from the same material as the Sun they orbit. As such, the variation between the 6286 exoplanets (NASA…
2026 · 地外科学 · Context . Debris discs are analogues to our own Kuiper belt around main-sequence stars and are therefore referred to as exoKuiper belts. They have been resolved at high angular resolution at wavelengths spanning the opti…
2026 · 地外科学 · Abstract This article reviews the short-, medium-, and long-term prospects for characterizing rocky exoplanets, a central goal of contemporary astrophysics. The primary objectives are to determine whether these planets h…
2026 · 地外科学 · We present the discovery and confirmation of the ultrashort period (USP) planet TOI-2431 b orbiting a nearby ( d ~ 36 pc) late K star ( T eff = 4109 ± 28 K) using observations from the Transiting Exoplanet Survey Satelli…
2026 · 地外科学 · Abstract JWST is transforming our ability to characterize small exoplanets, from sub-Neptunes to rocky worlds. A key open question is whether highly irradiated rocky planets can retain atmospheres or are stripped bare by…
2026 · 地外科学 · ABSTRACT Atmospheric characterization of exoplanets using ground-based high-resolution transmission spectroscopy has traditionally focussed on large and close-in planets, such as hot Jupiters. In this work, we aim to ext…
2025 · AI 安全与对齐 · The beginnings of generative artificial intelligence (GenAI), led by Chat Generative Pre-Trained Transformer (ChatGPT), not only change the behaviour of digital media ecosystem users but also increase the energy consumpt…
2025 · 脑科学 · The rapidly escalating climate crisis poses an existential threat to human wellbeing. Reducing anthropogenic greenhouse gas emissions must therefore become a primary goal of humanity. At the same time, advancing knowledg…
2025 · 深海科技 · We are hurtling toward climate chaos. The planet's vital signs are flashing red. The consequences of human-driven alterations of the climate are no longer future threats but are here now. This unfolding emergency stems f…
2025 · 地外科学 · NASA’s Kepler mission identified over 4,000 extrasolar planets that transit (cross in front of) their host stars. This sample has revealed detailed features in the demographics of planet sizes and orbital spacings. Howev…
2025 · 地外科学 · Abstract Our interpretation of terrestrial exoplanet atmospheric spectra will always be limited by the accuracy of the data we use as input in our forward and retrieval models. Ultraviolet molecular absorption cross sect…
2025 · 地外科学 · Planets are thought to form from dust and gas in protoplanetary disks, with debris disks being the remnants of planet formation. Aged a few million up to a few billion years, debris disks have lost their primordial gas, …
2025 · 地外科学 · As of late 2025 there are about 70 exoplanets that meet the formal criterion of having equilibrium temperatures allowing the presence of liquid water and about 50 of them orbit M-stars, known for their strong chromospher…
2025 · 地外科学 · Context. Our understanding of exoplanet demographics partly depends on their corresponding host star parameters. With the majority of exoplanet-host stars having only atmospheric constraints available, robust inference o…
2025 · 地外科学 · Abstract We report the discovery and characterization of TOI-2005 b, a warm Jupiter on an eccentric ( e ∼ 0.59), 17.3 days orbit around a V mag = 9.867 rapidly rotating F-star. The object was detected as a candidate by T…
2025 · 地外科学 · Abstract Impacts by rocky and icy bodies are thought to have played a key role in shaping the composition of solar system objects, including the Earth’s habitability. Hence, it is likely that they play a similar role in …
2025 · 地外科学 · ABSTRACT We present the discovery and validation of TOI-7166 b, a $2.01 \pm 0.05\,\mathrm{ R}_{\oplus }$ planet orbiting a nearby low-mass star. We validated the planet by combining Transiting Exoplanet Survey Satellite …
2025 · 地外科学 · The pace of exoplanet discovery now exceeds the capacity of manual screening, making early habitability assessment difficult. We present a data-driven system that combines a preprocessing model with a neural network trai…
2025 · 地外科学 · Kernel phase interferometry (KPI) is a post-processing technique that treats a conventional telescope as an interferometer by accurately modeling a telescope pupil as an array of virtual subapertures. KPI provides angula…
2025 · 地外科学 · Abstract We present two transit observations of the ∼520 K, 1.85 R ⊕ , 4.0 M ⊕ super-Earth TOI-776 b with JWST NIRSpec/G395H, resulting in a 2.8–5.2 μ m transmission spectrum. Producing reductions using the ExoTiC-JEDI a…
2025 · 地外科学 · ABSTRACT Eclipsing binaries are perfect laboratories to measure precise, accurate and model-independent stellar radii and stellar masses, so long as both components are spectroscopically resolved. Resolving both componen…
2024 · 地外科学 · The Keck Planet Imager and Characterizer (KPIC) combines high contrast imaging with high resolution spectroscopy (R∼35,000 in K band) to study directly imaged exoplanets and brown dwarfs in unprecedented detail. KPIC aim…
2024 · 地外科学 · We report the discovery of a super-Earth candidate orbiting the nearby mid-M dwarf Gl 725A using the radial velocity (RV) method. The planetary signal has been independently identified using high-precision RVs from the S…
2024 · 地外科学 · Abstract We propose a second-order statistic parameter ε, the relative occurrence rate between hot Jupiters (HJs) and cold Jupiters (CJs) (ε = η HJ/η CJ), to probe the migration of gas giants. Since the planet occurrence…
2024 · 地外科学 · Context. Numerical N-body simulations are typically employed to map stability regions around exoplanets. This provides insights into the potential presence of satellites and ring systems. Aims. We used machine-learning (…
2024 · 地外科学 · Abstract Over the last decade, precise exoplanet transmission spectroscopy has revealed the atmospheres of dozens of exoplanets, driven largely by observatories like the Hubble Space Telescope. One major discovery has be…
2023 · AI 安全与对齐 · Since the COVID-19 pandemic outbreak, there has been a wealth of studies and reports published on the impacts of remote working (or work-from-home) due to pandemic lockdown measures. The primary aim of this article is to…
2023 · 地外矿物 · The Space Race in the second half of the 20th century was primarily concerned with getting there and back. Gradually, technology and international collaboration opened new horizons, but human activity was mostly restrict…
2023 · 碳中和与 CCUS · Abstract Carbon dioxide is both the planet’s enemy and friend since it maintains the balance of the planet as this gas retains some of the radiant energy that the planet receives. Thus, it keeps the Earth’s heat, without…
2023 · 地外科学 · Transmission spectroscopy 1-3 of exoplanets has revealed signatures of water vapour, aerosols and alkali metals in a few dozen exoplanet atmospheres 4,5 . However, these previous inferences with the Hubble and Spitzer Sp…
2023 · 地外科学 · ABSTRACT Dynamical evolution within planetary systems can cause planets to be engulfed by their host stars. Following engulfment, the stellar photosphere abundance pattern will reflect accretion of rocky material from pl…
2023 · 地外科学 · ABSTRACT The recently discovered transiting super-Earth LP 890-9 c is potentially one of the best rocky exoplanets for atmospheric characterization. Orbiting an ultracool M-dwarf at the inner edge of the habitable zone, …
2023 · 地外科学 · ABSTRACT We explore the prospects for Twinkle to determine the atmospheric composition of the nearby terrestrial-like planet LTT 1445 Ab, including the possibility of detecting the potential biosignature ammonia (NH3). A…
2026 · 地外矿物 · With the advanced capabilities of ground- and space-based telescopes, exoplanet science is beginning to characterize the physics and chemistry of exoplanet atmospheres. However, interpreting exoplanet observations requir…
2026 · 地外矿物 · The scientific significance and scarcity of extraterrestrial rock and mineral samples means that techniques for nanoscale analysis are essential tools for planetary scientists. This review describes some applications of …
2026 · 地外矿物 · “Sino-forming” is a neologism that has been deployed to raise the specter of a world remade in the image of China. Here we reinscribe the term—without leaving behind the geopolitical anxieties it connotes—to analyze Chin…
2026 · 地外科学 · In the Acta Universi (AUfield) hypothesis of D. E. Yashchenko (2025), entropy is a measure of irreversible events recorded in the universal archive of the AU field. On a habitable planet (with life forms), entropy is rad…
2026 · 地外科学 · In the Acta Universi (AUfield) hypothesis of D. E. Yashchenko (2025), entropy is a measure of irreversible events recorded in the universal archive of the AU field. On a habitable planet (with life forms), entropy is rad…
2026 · 地外科学 · On it. Let me pull real radial velocity data first, then build and execute the pipeline. Good. The network is blocked from direct API calls. I will generate realistic synthetic RV datasets from published orbital paramete…
2026 · 地外科学 · On it. Let me pull real radial velocity data first, then build and execute the pipeline. Good. The network is blocked from direct API calls. I will generate realistic synthetic RV datasets from published orbital paramete…
2026 · 地外科学 · JWST can probe the orbital and physical properties of exoplanets in greater detail than ever before, thanks to its superior light gathering power and measurement precision. Not only does JWST allow for improvement in exi…
2026 · 地外科学 · JWST can probe the orbital and physical properties of exoplanets in greater detail than ever before, thanks to its superior light gathering power and measurement precision. Not only does JWST allow for improvement in exi…
2026 · 地外科学 · Transiting extrasolar planets are extraordinarily valuable for understanding the characteristics and formation of planets, because they are the only exoplanets whose physical and orbital properties can be measured to hig…
2026 · 地外科学 · Abstract Earth’s climate is influenced by over a dozen types of feedback, but only three dominate its long-term climate behavior. Models of the exoplanet habitable zone (HZ) assume that this is similar for other Earth-li…
2026 · 地外科学 · Due to their high temperatures, hot Jupiters (HJs; Teq ⪎ 1000 K) and ultra-hot Jupiters (UHJs; Teq ⪎ 2500 K) emerged as ideal laboratories to test (1) theories of atmospheric structure and climate under extreme irradiati…
2026 · 地外科学 · Due to their high temperatures, hot Jupiters (HJs; Teq ⪎ 1000 K) and ultra-hot Jupiters (UHJs; Teq ⪎ 2500 K) emerged as ideal laboratories to test (1) theories of atmospheric structure and climate under extreme irradiati…
2025 · 地外矿物 · A crucial factor governing the habitability of exoplanets is the availability of bioessential elements such as nitrogen (N) and phosphorous (P), which foster prebiotic chemistry and sustain life after its emergence. Howe…
2025 · 地外矿物 · The Exoplanet Exploration Program (ExEP) is chartered by the NASA Astrophysics Division to carry out science, research, and technology tasks that advance NASA's science goals for exoplanets. The ExEP Science Gap List is …
2025 · 数字孪生 · Our society’s growing reliance on digital technologies such as AI incurs an ever-growing ecological footprint. The EU regulation of the data centre sector aims to achieve climate-neutral, energy-efficient and sustainable…
2025 · 地外科学 · Abstract Planet formation impacts exoplanet atmospheres by accreting metals in solid form, leading to atmospheric carbon-to-oxygen ratios (C/O) and sulfur-to-nitrogen ratios (S/N) that deviate from those of their host st…
2025 · 地外科学 · ABSTRACT The post-main-sequence evolution of stars is expected to impact the exoplanets residing on close-in orbits around them. Using photometric data from the Transiting Exoplanet Survey Satellite full-frame images we …
2025 · 地外科学 · ABSTRACT The architecture and composition of planetary systems are thought to be strongly influenced by the transport and delivery of dust and volatiles via ices on pebbles during the planet formation phase in protoplane…