When you look 'at the world' (i.e. to the horizon) on a clear day, unlesss the sun is at a very low angle, the surface of your eye is not illuminated directly by the sun, only reflected sunlight from the atmosphere, ground and objects. The 32,000-100,000 lux figure is referring to a horizontal surface illuminated directly by the sun.

2024年10月12日 · Yep. She works between those two places. Same owner for those spots.

2014年12月26日 · The same applies to the beams of light above them. The Sun is very far away and the beams are pretty much parallel, but they're pointing towards you, and perspective makes them appear to converge towards the vanishing point - which in this case is the Sun's location in the sky. The technical term for these beams is "crepuscular rays."

2015年4月27日 · Another way of calculating the earth - sun distance is to look at the centrifugal and the gravitational force. This solution assumes that one already knows the mass of the sun, but thats a different problem ;-).

2017年3月13日 · The sun puts out about 8% of its energy in UV (which does the damage), about 44% in visible, and the rest in IR. A standard incandescent puts out effectively no UV, 10% visible and the rest in IR. Halogen lamps can be operated at higher temperatures with a reasonable lifetime, and produce some UV, with perhaps 15% visible.

2022年8月10日 · Been awhile since I’ve been to Philly. I’ve wrote reviews for sun spa and was wondering if they’re still around. Thanks!

2025年2月8日 · Title: Review: Rising Sun - Luci Date: Feb 7, 2025 Phone: (215) 281-6280 City: Philly State: PA Location: Northeast House Fee & Tip (if applicable) 200 Nationality: Latina Age Estimate: 25 Physical Description: just over 5ft, caramel complexion, A cups, a …

2020年7月3日 · Title: Review: Sun spa Date: Jan 4, 2025 Phone: 609-892-2912 City: Atlantic city State: Nj House Fee & Tip (if applicable) .8 .10 Nationality: Thai Age Estimate: 35-40 Physical Description: 5 ..maybe a strong 6 if your drunk Private Details: Massage was …

2015年5月31日 · If the building is located in Hammerfest, Norway the metal might get warm to the touch. If it's on the sun-facing side in Las Vegas you may find it gets hot enough to cause burns. A definitive answer is not possible. If people can touch it easily the temperature is a concern. If it's out of reach, don't worry about it. The iron isn't going to melt.

2023年4月19日 · Title: Review: Bayside sun spa Date: Oct 6, 2024 Phone: 347-294-9502 City: Brooklyn State: NY Location: 3rd ave btwn 94th & 95th st House Fee & Tip (if applicable) 60 + 40 to 60 Nationality: Chinese Age Estimate: 30s 40s Physical Description: Thin. No …