Effective temperature, as a research area, examines generalized temperature-like quantities that characterize systems out of equilibrium or with non-thermal statistics, extending the equilibrium concept of temperature defined via the Boltzmann distribution. It encompasses theoretical and computational frameworks that assign an effective temperature through fluctuation–dissipation relations, energy partitioning among modes, or steady-state distributions in driven, glassy, granular, active, or astrophysical systems. Research focuses on conditions under which an effective temperature is well-defined, its dependence on timescale, observable, and protocol, and its utility for describing transport, relaxation, and emergent thermodynamic-like behavior in complex nonequilibrium systems.
Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered an extrasolar planet orbiting TOI-4616—a nearby M-dwarf star. The newfound alien world, which received designation ...
Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new extrasolar planet transiting a distant star. The newfound alien world, designated TOI-6692 b, is the size ...
As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization might need so much power that they enclose their host star in solar energy-collecting satellites. ...
Astrobiology
Mar 20, 2025
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Using ESA's XMM-Newton satellite and NASA's Chandra X-ray observatory, astronomers have observed a young stellar object known as HL Tauri. Results of the observation campaign, presented Feb. 11 on the arXiv pre-print server, ...
