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How much lux does the Sun emit? - Physics Stack Exchange I want to know how much lux the sun emits on a bright day - I don't mean when one stares directly at the sun, but rather when one walks casually outside when the sun is shinning brightly Now the
Why the Sun has a higher temperature than humans? The thermal energy per gram of matter of the Sun is definitely higher than of humans, being between 6000K and 15000000K depending on where in the Sun What you are probably thinking of is the fact that humans put out more power per unit volume than the Sun, described The reason for that is, even though the matter of the Sun has a lot more thermal energy per unit volume, the Sun is very large
Black and white matters. But why and how? - Physics Stack Exchange So a metal door in the sun will transfer the heat of the visible spectrum to the interior if painted black, will reflect it back and keep the interior cooler if painted white It is a good reason for painting roofs and walls white in hot countries A white car is also better in hot countries for this reason
Review: Lisa @ Sun Spa | AMP Reviews Title: Review: Lisa @ Sun Spa Date: Apr 24, 2025 Phone: 571-638-1888 City: Vienna State: VA Location: By Chans Chinese House Fee Tip (if applicable) 80+160 Nationality: Chinese Age Estimate: 25 Physical Description: 5’1”-5’3”, maybe 115-120lbs, C cup, mid back long hair, shaved
How hot can metal get in sunlight? - Physics Stack Exchange I quite liked this one [archived] describing measurements on cars It shows that things left in the sun can get significantly hotter than the surrounding air (although there are some issues with the method used, the conclusions are mostly valid), One final note - how hot things are is not the same as how hot they seem to be
What does the Moons orbit around the Sun look like? Here are some things I'm assuming when trying to tackle this question: The Moon's orbit must be concave toward the Sun The Moon speeds up as it goes toward the Sun, and it slows down as it moves away For an observer on the Earth, the Moon appears to orbit the Earth roughly 13 13 times a year The Earth, the Moon, and the Sun remain in the
How much iron would I have to shoot into the Sun to blow it up? So rest assured that our sun will not go supernova (though it will go through a red giant phase and swallow earth in about 5 billion years) The boiling point of iron is about 3000 K (5000 F) while the surface temperature of the sun is about 5500 K (10,000 F), so this comet-of-iron would evaporate en route to the sun's surface