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Il y a 3 jours · Extraterrestrial life - Venus, Atmosphere, Habitability: The average surface temperature of Venus is approximately 750 K (477 °C, or 891 °F). Even at the poles or on the tops of the highest Venusian mountains, surface temperatures do not fall below 400 K (127 °C, or 261 °F).
Il y a 2 jours · This page shows Venus location and other relevant astronomical data in real time. The celestial coordinates, magnitude, distances and speed are updated in real time and are computed using high quality data sets provided by the JPL Horizons ephemeris service (see acknowledgements for details).
Il y a 2 jours · Stellarium Web is a planetarium running in your web browser. It shows a realistic star map, just like what you see with the naked eye, binoculars or a telescope.
Il y a 3 jours · Power was provided by an array of 2 square cm solar cells covering most of the circumference of the spacecraft, totaling 7.4 square meters and providing 312 W at the orbit of Venus. The cells provide 28 V direct current (regulated by shunt limiters) to all systems and science instruments.
Il y a 4 jours · Venus: Rise time tonight, elevation, azimuth, Right Ascension, Declination, apparent size, magnitude.
Il y a 3 jours · Venera 1 (Automatic Interplanetary Station) was the first spacecraft to fly by Venus. The probe consisted of a cylindrical body topped by a dome, totaling 2.035 meters in height, 1.050 meters in diameter, with a fueled mass of 643.5 kg.
Il y a 1 jour · The Venus of Laussel (c. 25,000 BP) holding a crescent shaped horn. The 13 notches on the horn may symbolize the average number of days from menstruation to an ovulation, or the approximate number of full menstrual cycles and lunar cycles per year (although these two phenomena are unrelated).
