9/11 study: Air traffic affects climate

Air temperatures where contrails form are generally lower than minus 40 degrees Fahrenheit (minus 40 degrees Celsius). Like natural cirrus clouds, contrails insulate the planet, blocking out incoming solar energy from above and keeping in heat down below.Fahrenheit: Facts, History & Conversion Formulas

The Fahrenheit and Celsius scales converge at minus 40 F, so that minus 40 F and minus 40 C represent the same temperature. Fahrenheit has widely been replaced by Celsius in most countries and for most applications. In the late 1960s and 1970s, the Celsius ...What happens when you blow bubbles when it's minus 49 degrees?

I’m feeling chill just watching them hang out in weather cold enough to instantly freeze soap bubbles. What’s that all aboot, eh? I should point out that when the temperature dips that low, Celsius and Fahrenheit line up. Well, at about minus 40 they ...Supercool: Water doesn't have to freeze until -48 C (-55 F)

How and at what temperature water must freeze has more than just ... can cool it down well below 32 degrees Fahrenheit [zero Celsius] and it still remains a liquid," says Molinero. Liquid water as cold as minus 40 C (minus 40 F) has been found in clouds.Water doesn't have to freeze until minus 55 Fahrenheit

But the property of water that "is most fascinating is that you can cool it down well below 32 degrees Fahrenheit and it still remains a liquid," says Molinero. Liquid water as cold as minus 40 F has been ... (or minus 48 degrees Celsius).

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- What is physically colder, minus 40 degrees celsius or ...... minus 40 degrees celsius or minus ... Fahrenheit above zero (+11 3 ... Why are -40 degrees Farenheit equal to -40 degrees Celsius? Which is cooler ...
- Temperature Conversion from Celsius to Fahrenheit - AAA MathThere is a mental math method to convert from Celsius to Fahrenheit. ... Example of converting negative Celsius temperatures to Fahrenheit
- How come minus 40 degrees Celsius is exactly the same as ...Minus 40 degrees Celsius is exactly minus 40 degrees Fahrenheit. This is the only temperature for which the readings on both scales are equal.
- What is negative 40 degrees Celsius in Fahrenheit - The Q ...The Answer is negative 40 degrees Fahrenheit. At that particular temperature both scales have the same reading.
- How to Convert Negative Celsius to Fahrenheit | eHowHow to Convert Negative Celsius to Fahrenheit. ... Negative 40 degrees Fahrenheit is the... How to Convert Celsius to Fahrenheit With a Formula.