Results 41 to 50 of about 3,795,130 (207)

The Great Cosmic Silence: What Does the Fermi Paradox Tell About the Future of Humanity?

Global Policy, Volume 17, Issue 4, Page 553-565, September 2026.
ABSTRACT This article examines how institutional time horizons shape the long‐term survival prospects of human technological civilisation. While research on global catastrophic and existential risks has expanded, the temporal structures of political‐economic institutions remain underexamined.
Heikki Patomäki
wiley   +1 more source

The Impact of the Explicit Representation of Convection on the Climate of a Tidally Locked Planet in Global Stretched-mesh Simulations

The Astrophysical Journal
Convective processes are crucial in shaping exoplanetary atmospheres but are computationally expensive to simulate directly. A novel technique of simulating moist convection on tidally locked exoplanets is to use a global 3D model with a stretched mesh ...
Denis E. Sergeev, Ian A. Boutle, F. Hugo Lambert, Nathan J. Mayne, Thomas Bendall, Krisztian Kohary, Enrico Olivier, Ben Shipway   +7 more
doaj   +1 more source

Reanalysis of SKR Source Crossed by Cassini: Loss Cone Electrons as a Secondary Source of Free Energy

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Saturn's Kilometric Radiation (SKR) is a powerful non‐thermal radio auroral emission produced by the Cyclotron Maser Instability (CMI), which generates waves close to the local cyclotron frequency in a highly magnetized plasma from mildly relativistic electrons.
B. Collet, L. Lamy, Y. Kasaba, N. Andre
wiley   +1 more source

dfm/exoplanet: exoplanet v0.1.0

, 2018
<p>The first public release of exoplanet.</p ...
Dan Foreman-Mackey, Geert Barentsen
core   +1 more source

astrozeng/exoplanet: Exoplanet mass-radius plotting and analyzing tool

, 2022
This is a Mathematica plotting tool developed to plot the exoplanet data in mass-radius diagram, and the relevant histograms (mass-histogram, radius-histogram, and \zeta-histogram).
astrozeng
core   +1 more source

Hot Spot Offset Variability from Magnetohydrodynamical Thermoresistive Instability in Hot Jupiters

The Astrophysical Journal
Hot Jupiter (HJ) atmospheres are possibly subject to a thermoresistive instability (TRI). 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 the ...
Raphaël Hardy, Paul Charbonneau, Andrew Cumming   +2 more
doaj   +1 more source

The ORCA‐TWIN qCMOS Experiment I. Science Case and Commissioning at Calar Alto Observatory

Astronomische Nachrichten, Volume 347, Issue 7, August 2026.
ABSTRACT We describe a pilot study to explore a new generation of fast and low noise CMOS image sensors for time domain astronomy, using two remote telescopes with a baseline of 1635 km. The experiment involves direct imaging with novel qCMOS image sensor technology that combines fast readout with sub‐electron readout noise.
Martin M. Roth, Paško Roje, Stella Vješnica, Stefan Cikota, Alex J. Brown, Mike Kretlow, Marco Azzaro, Santiago Reinhart, Jesús Aceituno, Harry Dawson, Carsten Denker, Torsten Enßlin, Stephan Geier, Thomas Granzer, Thomas Kupfer, Gianluca Li Causi, Samaya Nissanke, José Luis Ortiz, Fernando Pedichini, Katja Poppenhäger, Axel Schwope   +20 more
wiley   +1 more source

North American extreme precipitation events and related large-scale meteorological patterns: a review of statistical methods, dynamics, modeling, and trends [PDF]

, 2019
This paper surveys the current state of knowledge regarding large-scale meteorological patterns (LSMPs) associated with short-duration (less than 1 week) extreme precipitation events over North America. In contrast to teleconnections, which are typically
Wehner, Michael F, Richard Grotjahn, Gershunov, Alexander, Ruby Leung, Gyakum, John, Mathew Barlow, Young-Kwon Lim, Richard W. Katz, Collow, Allison, Gutowski, William, Shawn Milrad, Laurie Agel, John R. Gyakum, Min, Seung‑Ki, Gutowski, William J, Wehner, Michael, MIN, SEUNG KI, Alexander Gershunov, Agel, Laurie, Russ S. Schumacher, Milrad, Shawn, Leung, Ruby, Grotjahn, Richard, Allison Collow, Min, Seung-Ki, Schumacher, Russ, Katz, Richard, William J. Gutowski Jr, Michael F. Wehner, Barlow, Mathew, Katz, Richard W, Lim, Young-Kwon, Schumacher, Russ S, Bosilovich, Michael, Michael Bosilovich, Lim, Young‑Kwon, Gyakum, John R   +36 more
core   +1 more source

Up, Up, and Away: Winds and Dynamical Structure as a Function of Altitude in the Ultrahot Jupiter WASP-76b

The Astrophysical Journal
Due to the unprecedented signal strengths offered by the newest high-resolution spectrographs on 10 m class telescopes, exploring the 3D nature of exoplanets is possible with an unprecedented level of precision.
Aurora Y. Kesseli, Hayley Beltz, Emily Rauscher, I. A. G. Snellen   +3 more
doaj   +1 more source

Massive Rocky Planets May Suppress Deep Melting

AGU Advances, Volume 7, Issue 4, August 2026.
Abstract Melting properties of silicates are critical to understanding the thermal evolution of rocky planetary interiors. In the deep mantles of massive rocky planets, post‐post‐spinel Mg2SiO4 ${\text{Mg}}_{2}{\text{SiO}}_{4}$ is potentially one of the most abundant mineral phases, yet its melting behavior remains unconstrained. Here, we determine the
Donghao Zheng, Yihang Peng, Jie Deng
wiley   +1 more source