temperature - a definition from Whatis.com
... objects such as the sun's corona or the gas and dust between stars... In the centigrade or Celsius temperature scale, the freezing point of pure water...
NASA NEWS Letterhead Donald Savage Headquarters, Washington, DC ...
Since the corona's temperature was first measured 55 years ago,... surface of the Sun is only 11000 degrees Fahrenheit or about 6000 degrees Celsius...
Sun's X-file under the Spotlight
... why it is that the light surface of the Sun has a temperature of about 6000 degrees Celsius, yet the corona is at a temperature of two million degrees?
ScienceDaily: Montana And European Scientists Take Sun's Temperature
Scientists long perplexed over why the sun's corona is so hot now have a new clue ... solar-like stars) has a temperature of about 6000 degrees Celsius,...