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While brooms and sponges are the means of choice to fight contamination in everyday life, cleaning sensitive surfaces such as electronic components requires different tools, including evaporation-base...
ALMA returns to Boomerang Nebula:Companion star provides chilling power of 'Coldest Object in the Universe'
ALMA Boomerang Nebula Companion star chilling power Coldest Object in the Universe
2017/6/5
An ancient, red giant star in the throes of a frigid death has produced the coldest known object in the cosmos — the Boomerang Nebula. How this star was able to create an environment strikingly colder...