• The James Webb Space Telescope Gets Chilled to 400 Degrees Below Zero to Prepare For Freezing Space
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[QUOTE]In 2018, NASA will launch the James Webb Space Telescope, which will boast mirrors approximately seven times larger than those on the Hubble. Once operational, the telescope will peer through interstellar dust and clearly image some of the youngest stars and galaxies in the universe. After it reaches its destination, 930,000 miles from Earth, its components will chill down to –400°F. To make sure that the telescope’s scientific instrumentation can handle the cold, engineers at the Goddard Space Flight Center in Maryland put the components through rigorous environmental testing in the Space Environment Simulator. As temperatures within the chamber drop to –400°, the engineers monitor the components and scientific instrumentation to determine whether they will function properly. [img]http://www.popsci.com/files/imagecache/article_image_large/articles/cold-chamber.jpg[/img][/quote] Source: [url]http://www.popsci.com/technology/article/2012-08/megapixels-james-webb-space-telescope-gets-chilled-400-degrees-below-zero[/url]
Seeing the pictures from the Hubble telescope blew my mind back in the day, I can't wait to see what the James Webb telescope takes photos of.
Was about to come in wondering how the fuck they cooled it below absolute zero, then realised it was in Farenheit. It's -240 Celsius, or about 33 Kelvin.
Saw 400 degrees below zero and immediately thought "But the Celsius scale only goes to -273C!"
-400 degrees Kelvin
[QUOTE=Alxnotorious;38088819]Saw 400 degrees below zero and immediately thought "But the Celsius scale only goes to -273C!"[/QUOTE] bbbbbut you live in the US! on topic this is great, good to see we're continuing on hubble space telescope and launching a replacement
what kind of wonky ass scientist uses fahrenheit
America needs to stop using Fahrenheit. And Imperial measurement.
[QUOTE=Sobotnik;38089181]America needs to stop using Fahrenheit. And Imperial measurement.[/QUOTE] Can we keep inches for penis length and monitor size?
[QUOTE=trotskygrad;38088898]bbbbbut you live in the US! on topic this is great, good to see we're continuing on hubble space telescope and launching a replacement[/QUOTE] Chemistry Major :eng101: [editline]18th October 2012[/editline] Too bad I still don't know the weather when it's in Celsius. :v:
[QUOTE=Alxnotorious;38089571]Chemistry Major :eng101: [editline]18th October 2012[/editline] Too bad I still don't know the weather when it's in Celsius. :v:[/QUOTE] 30 is hot 20 is nice 10 is cold 0 is ice
[QUOTE=paul simon;38089151]what kind of wonky ass scientist uses fahrenheit[/QUOTE] [QUOTE=Sobotnik;38089181]America needs to stop using Fahrenheit. And Imperial measurement.[/QUOTE] Did it ever occur to you that Popular Science is not an academic science journal but something that is written for the general American audience who is expected not to know much scientific things?
Americans should at least know how to translate to celsius because that's what the scientific community and [I]the rest of the goddamn world[/I] uses
[QUOTE=Emperor Scorpious II;38089614]Did it ever occur to you that Popular Science is not an academic science journal but something that is written for the general American audience who is expected not to know much scientific things?[/QUOTE] Scientific and confusing things like the Celsius scale?
[QUOTE=Emperor Scorpious II;38089614]Did it ever occur to you that Popular Science is not an academic science journal but something that is written for the general American audience who is expected not to know much scientific things?[/QUOTE] I didn't even have to look at the source to know it was American. It certainly wasn't an article from [url="http://en.wikipedia.org/wiki/Fahrenheit#Usage"]Belize[/url].
[QUOTE=original title]Megapixels: The James Webb Space Telescope Gets Chilled to 400 Degrees Below Zero[/QUOTE] random buzzwords being stuck on titles for no reason? yup I'm reading PopSci
According to Wiki, "[absolute zero] equates to −459.67° on the Fahrenheit scale..." So there's a frame of reference. Not really that special to be honest. My university has an NMR machine that reaches around 3K/-270C
[QUOTE=Sobotnik;38089181]America needs to stop using Fahrenheit. And Imperial measurement.[/QUOTE] We'll stop using Imperial units when England learns how to drive on the right side of the road. Or when they stop using the pound and start using the Euro, like normal countries.
[QUOTE=FFStudios;38089737]We'll stop using Imperial units when England learns how to drive on the right side of the road. Or when they stop using the pound and start using the Euro, like normal countries.[/QUOTE] the only normal countries use the Euro? bahahahahahhahaha
[QUOTE=BrainDeath;38089661]Scientific and confusing things like the Celsius scale?[/QUOTE] Yes, frankly. People reading this mag don't want to know the intimate, complex details. They just want to hear the cool end result. Hell, it's why I'm subscribed to it. I've never been one to have a in depth knowledge of scientific jargon, knowledge and such but I still like science. Popular Science lets me enjoy it without having to look up conversion rates or read wikipedia articles to understand what's going on.
[QUOTE=Aphtonites;38088739]Seeing the pictures from the Hubble telescope blew my mind back in the day, I can't wait to see what the James Webb telescope takes photos of.[/QUOTE] 7 times larger than the Hubble's mirrors... This thing is going to take some kick ass mother fucking photos
[QUOTE=FFStudios;38089737]We'll stop using Imperial units when England learns how to drive on the right side of the road. Or when they stop using the pound and start using the Euro, like normal countries.[/QUOTE] Swedish crowns are the best
[QUOTE=latin_geek;38089649]Americans should at least know how to translate to celsius because that's what the scientific community and [I]the rest of the goddamn world[/I] uses[/QUOTE] All my life so far in America I have never needed to use celsius at all. I'm not a scientist and I've never met a foreigner from Europe or Asia or wherever walk up to me and ask, "Hey, what's the temperature?"
[QUOTE=FFStudios;38089737]We'll stop using Imperial units when England learns how to drive on the right side of the road. Or when they stop using the pound and start using the Euro, like normal countries.[/QUOTE] Which side you drive your car on is irrelevant because it effects very little outside the area in which they chose to do so. Unlike the rest of the world having to suffer the archaic and backwards unit of measurement when dealing with countries such as America.
We get a surprising about of people from the UK and Germany here in New England.
The imperial measurements are for old people that know nothing about metric because they never were never taught them in school. Its just a casual science magazine for Americans not a scientific journal, you people like to complain about small things. FYI since some of you don't seem to know, we are taught both in school with proper conversions
[QUOTE=Emperor Scorpious II;38089831]All my life so far in America I have never needed to use celsius at all. I'm not a scientist and I've never met a foreigner from Europe or Asia or wherever walk up to me and ask, "Hey, what's the temperature?"[/QUOTE] really you never talk about the weather with foreigners over the internet
[quote]The James Webb Space Telescope, which will boast mirrors approximately seven times larger than those on the Hubble.[/quote] I got chills after reading that. We gon' see some serious shit with these babies.
[QUOTE=latin_geek;38089649]Americans should at least know how to translate to celsius because that's what the scientific community and [I]the rest of the goddamn world[/I] uses[/QUOTE] Which actually executed space mission failed because malfunction in engineering which turned out somebody expecting parameter in inches and getting it in centimeters or the other way around?
[QUOTE=Awesomecaek;38090182]Which actually executed space mission failed because malfunction in engineering which turned out somebody expecting parameter in inches and getting it in centimeters or the other way around?[/QUOTE] [url]http://en.wikipedia.org/wiki/MBT-70[/url] oh wait that's not a space mission :v: [sp]http://en.wikipedia.org/wiki/Mars_Climate_Orbiter[/sp]
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