All-sky image of molecular gas seen by Planck and previous surveys
This all-sky image shows the distribution of carbon monoxide (CO), a molecule used by astronomers to trace molecular clouds across the sky, as seen by Planck (blue). A compilation of previous surveys (Dame et al. (2001)),...Word of the Day
marconism
- (noun) The art of wireless telegraphy according to the Marconi system, in which Hertzian waves are used in transmission and a coherer is used as the receiving instrument.
Guglielmo Marconi was an Italian electrical engineer who invented wireless telegraphy.
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- Sir Winston Churchill (1874 - 1965)
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