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相关论文: The Thermal Structure and Composition of Jupiter's…

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We present an updated analysis of Jupiter's equatorial meteorology from Cassini observations. For two months preceding the spacecraft's closest approach, the Imaging Science Subsystem (ISS) onboard regularly imaged the atmosphere. We…

地球与行星天体物理 · 物理学 2015-06-12 David S. Choi , Adam P. Showman , Ashwin R. Vasavada , Amy A. Simon-Miller

Precise atmospheric observations have been made for a growing sample of warm Neptunes. Here we investigate the correlations between these observations and a large number of system parameters to show that, at 95% confidence, the amplitude of…

地球与行星天体物理 · 物理学 2017-12-13 Ian J. M. Crossfield , Laura Kreidberg

We present ground-based, spectroscopic observations of two transits of the ultra-hot Jupiter WASP-121b covering the wavelength range $\approx$500 - 950 nm using Gemini/GMOS. We use a Gaussian process framework to model instrumental…

Jupiter's banded structure undergoes strong temporal variations, changing the visible and infrared appearance of the belts and zones in a complex and turbulent way due to physical processes that are not yet understood. In this study we use…

Crystalline ice in Earth's atmosphere can produce spectacular phenomena due to orientation-dependent attenuation, such as sun dogs and halos, providing diagnostics of the external processes acting on the aerosol grains. Crystalline mineral…

地球与行星天体物理 · 物理学 2025-08-05 Elijah Mullens , Nikole K. Lewis

With the new generation of space telescopes such as the James Webb Space Telescope (JWST), it is possible to better characterize the atmospheres of exoplanets. The atmospheres of Hot and Ultra Hot Jupiters are highly heterogeneous and…

地球与行星天体物理 · 物理学 2024-05-22 Aurélien Falco , Jérémy Leconte , Alexandre Mechineau , William Pluriel

First high-altitude observations of gravity wave (GW)-induced CO$_2$ density perturbations in the Martian thermosphere retrieved from NASA's NGIMS instrument on board the MAVEN satellite are presented and interpreted using the extended GW…

地球与行星天体物理 · 物理学 2016-02-17 Erdal Yiğit , Scott L. England , Guiping Liu , Alexander S. Medvedev , Paul R. Mahaffy , Takeshi Kuroda , Bruce M. Jakosky

This paper presents the atmospheric characterisation of three large, gaseous planets: WASP-127b, WASP-79b and WASP-62b. We analysed spectroscopic data obtained with the G141 grism (1.088 - 1.68 $\mu$m) of the Wide Field Camera 3 (WFC3)…

Jupiter's gravity field observed by NASA's Juno spacecraft indicates that the density in the 10--100 GPa region is lower than one would expect from a H/He adiabat with 0.5-5x solar water abundance as has been observationally inferred in…

地球与行星天体物理 · 物理学 2025-04-02 Nadine Nettelmann , Jonathan J. Fortney

We perform atmospheric retrievals on the full optical to infrared ($0.3-5 \, \mu \mathrm{m}$) transmission spectrum of the inflated hot Jupiter WASP-52b by combining HST/STIS, WFC3 IR, and Spitzer/IRAC observations. As WASP-52 is an active…

Juno Microwave Radiometer (MWR) observations of Jupiter's mid-latitudes reveal a strong correlation between brightness temperature contrasts and zonal winds, confirming that the banded structure extends throughout the troposphere. However,…

地球与行星天体物理 · 物理学 2021-10-28 L. N. Fletcher , F. A. Oyafuso , M. Allison , A. Ingersoll , L. Li , Y. Kaspi , E. Galanti , M. H. Wong , G. S. Orton , K. Duer , Z. Zhang , C. Li , T. Guillot , S. M. Levin , S. Bolton

Detailed characterization of exoplanets has begun to yield measurements of their atmospheric properties that constrain the planets' origins and evolution. For example, past observations of the dayside emission spectrum of the hot Jupiter…

TESS is expected to discover dozens of temperate terrestrial planets orbiting M dwarfs whose atmospheres could be followed up with the James Webb Space Telescope (JWST). Currently, the TRAPPIST-1 system serves as a benchmark to determine…

地球与行星天体物理 · 物理学 2018-04-18 Natasha E. Batalha , Nikole K. Lewis , Michael R. Line , Jeff Valenti , Kevin Stevenson

High-resolution Doppler-resolved spectroscopy has opened up a new window into the atmospheres of both transiting and non-transiting exoplanets. Here, we present VLT/UVES observations of a transit of WASP-121b, an 'ultra-hot' Jupiter…

The Cassini flyby of Jupiter in 2000 provided spatially resolved spectra of Jupiter's atmosphere using the Visual and Infrared Mapping Spectrometer (VIMS). These spectra contain a strong absorption at wavelengths from about 2.9 $\mu$m to…

地球与行星天体物理 · 物理学 2015-03-16 Lawrence Sromovsky , Patrick Fry

Hot Jupiter atmospheres are possibly subject to a thermoresistive instability. Such an instability may develop as the ohmic heating increases the electrical conductivity in a positive feedback loop, which ultimately leads to a runaway of…

地球与行星天体物理 · 物理学 2024-07-15 Raphaël Hardy , Paul Charbonneau , Andrew Cumming

The temperature structure of a giant planet was traditionally thought to be an adiabat assuming convective mixing homogenizes entropy. The only in-situ measurement made by the Galileo Probe detected a near-adiabatic temperature structure…

The atmospheres of ultra-hot Jupiters are unique compared to other planets because of the presence of both refractory and volatile gaseous species, enabling a new lens to constrain a planet's composition, chemistry, and formation. WASP-178b…

The high-precision Juno gravitational measurements allow us to infer the structure of Jupiter's deep atmospheric zonal flow. Since this inference is nonunique, it is important to explore the space of possible solutions. In this paper, we…

地球与行星天体物理 · 物理学 2021-11-03 Laura Kulowski , Hao Cao , Rakesh K. Yadav , Jeremy Bloxham

While Jupiter's massive gas envelope consists mainly of hydrogen and helium, the key to understanding Jupiter's formation and evolution lies in the distribution of the remaining (heavy) elements. Before the Juno mission, the lack of…