Malkan and colleagues used the United Kingdom Infrared Telescope in Hawaii and the Spitzer Space Telescope to collect the light from over 5,
cheap jordan shoes
,000 galaxies. They found that,
cheap jordans online
, in all of these galaxies,
cheap jordans free shipping
, one wavelength of green light — now stretched to infrared by the expansion of the universe — was twice as bright compared with light from the typical mix of stars and gas seen in galaxies today.
The green light comes from oxygen atoms that have lost two of their electrons. To knock off two electrons requires harsh ultraviolet radiation,
cheap real jordans
, possibly from lots of extremely hot stars — each roughly 50,000° Celsius. The sun,
cheap retro jordans
, by comparison,
cheap jordans for sale
, is about a paltry 5,500° C at its surface.
“Stars must have been much hotter than most energetic stars familiar to us today,
cheap jordans
,” said Malkan. How they got so hot — perhaps via exotic chemical abundances or just piling on lots of mass — is unsettled.
Mon,
cheap wholesale jordans
, 09 Jan 2017 22:20:41 +0000 https://www.sciencenew...rs-lose-their-steady-beat


News in Brief




Astronomy



http://www.tweenzchat....s&blogentry_id=574881

http://users.atw.hu/co...amp;topic=7855&page=1

http://ralfhuthmacher....thread.php?thread_id=6307