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The effective temperature of the Sun (5778 kelvins) is the temperature a black body of the same size must have to yield the same total emissive power.. The effective temperature of a star is the temperature of a black body with the same luminosity per surface area (F Bol) as the star and is defined according to the Stefan–Boltzmann law F Bol = σT eff 4.
For comparison, the hottest planet in the Solar System is Venus, with a temperature of 737 K (464 °C; 867 °F). List ... Measured effective temperature.
Other authors use different names for this concept, such as equivalent blackbody temperature of a planet. [1] The effective radiation emission temperature is a related concept, [2] but focuses on the actual power radiated rather than on the power being received, and so may have a different value if the planet has an internal energy source or ...
A less extreme example is eccentricity in a terrestrial exoplanet's orbit. If the rocky planet orbits a dim red dwarf star, slight eccentricities can lead to effective temperature variations large enough to collapse the planet's atmosphere, given the right atmospheric compositions, temperatures, and pressures. [21]
If the temperature is 0 degrees and the wind is blowing at 15 mph, the wind chill is 19 degrees below zero. Low wind chill numbers are a sign you need to dress for colder conditions.
Subsolar temperature [61] Ganymede: 156 K Subsolar temperature [61] 80 K Nighttime temperature [62] Callisto: 168 K Subsolar temperature [61] 80 K Predawn nighttime temperature [63] Titan: 2 km (1.2 mi) Mithrim Montes, Xanadu [64] Mimas: Enceladus: 110 K Tiger Stripes [65] Tethys: Dione: Rhea: Iapetus: 20 kilometres (12 mi)Voyager Mountains ...
For adults aged 65 and over, the best bedroom temperature for sleep might be warmer than you think, according to a new study. Try keeping it in this range.
New research finds the optimal room temperature range for sleeping for older adults. Here, experts explain the best temperature for sleep.