Results 111 to 120 of about 300,010 (299)

Long-term variations in abundance and distribution of sulfuric acid vapor in the Venus atmosphere inferred from Pioneer Venus and Magellan radio occultation studies [PDF]

open access: yes
Radio occultation experiments have been used to study various properties of planetary atmospheres, including pressure and temperature profiles, and the abundance profiles of absorbing constituents in those planetary atmospheres. However, the reduction of
Jenkins, J. M., Steffes, P. G.
core   +1 more source

Space simulator Patent [PDF]

open access: yes, 1965
Space simulator with uniform test region radiation distribution, adapted to simulate Venus solar ...
Thiele, C., Wilson, M. N., Jr.
core   +1 more source

Beyond Sexual Selection: Natural Selection Related Camouflage and Thermoregulation Shape Sexual Color Dimorphism in Diploderma Lizards

open access: yesIntegrative Zoology, EarlyView.
Integrating comparative spectrometry, image analysis, and thermal modeling, we reveal that (1) females optimize crypsis via background matching, (2) males prioritize high‐contrast disruptive patterning at a significant thermoregulatory cost (reduced solar heat gain), and (3) habitat‐specific monomorphism in Diploderma slowinskii underscores ecological ...
Yuning Cao, Lin Shi, Yin Qi
wiley   +1 more source

Comments on the tectonism of Venus [PDF]

open access: yes
Preliminary tectonic mapping of Venus from Venera 15/16 images shows unquestionable evidence of at least limited horizontal tectonism. The majority of tectonic features on Venus have no relation to topography.
Kozak, R. C., Schaber, G. G.
core   +1 more source

Strong Dependence of the Inner Edge of the Habitable Zone on Planetary Rotation Rate

open access: yes, 2014
Planetary rotation rate is a key parameter in determining atmospheric circulation and hence the spatial pattern of clouds. Since clouds can exert a dominant control on planetary radiation balance, rotation rate could be critical for determining mean ...
Abbot, Dorian S.   +3 more
core   +2 more sources

How Can Accountants Enhance (or Save) Natural and Cultural Capital Valuation? Engaging Academics: A Collaboration with CPA Canada and the Canadian Commission for UNESCO*

open access: yesAccounting Perspectives, Volume 24, Issue 1, Page 21-46, March 2025.
ABSTRACT Accountants should engage more with natural and cultural capital accounting to make tools more accessible and to ensure critical information is provided to decision‐makers. While ecological economists have continued to innovate and design tools, corporate‐level accounting has seemingly lagged behind.
S. Leanne Keddie   +2 more
wiley   +1 more source

Study and interpretation of the millimeter-wave spectrum of Venus [PDF]

open access: yes
The effects of the Venus atmospheric constituents on its millimeter wavelength emission are investigated. Specifically, this research describes the methodology and the results of laboratory measurements which are used to calculate the opacity of some of ...
Fahd, Antoine K., Steffes, Paul G.
core   +1 more source

Solar diameter with 2012 Venus transit

open access: yes, 2012
The role of Venus and Mercury transits is crucial to know the past history of the solar diameter. Through the W parameter, the logarithmic derivative of the radius with respect to the luminosity, the past values of the solar luminosity can be recovered ...
Sigismondi, Costantino
core   +1 more source

Late Antique Allāh: Ancestral Arabian Religion and the Monotheistic Zeitgeist

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT This essay addresses the ongoing scholarly tension between the monotheistic interpretations of late pre‐Islamic Arabian religion, pioneered by G. Hawting and P. Crone, and the traditional accounts of rampant Arabian polytheism found in later Islamic literary sources.
Ahmad Al‐Jallad, Hythem Sidky
wiley   +1 more source

Studies of the chemistry of vibrationally and electronically excited species in planetary upper atmospheres [PDF]

open access: yes
The vibrational distribution of O2(+) in the atmospheres of Venus and Mars was investigated to compare with analogous values in the Earth's atmosphere. The dipole moment of the Z(2) Pi sub u - X(2) Pi sub g transition of O2(+) is calculated as a function
Fox, J. L.
core   +1 more source

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