ALMA Observatory📡
@almaobs
Atacama Large Millimeter/submillimeter Array, is an international partnership of @ESO, @TheNRAO and @prcnaoj_en in cooperation with the Republic of Chile.
03-12-2013 14:56:27
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Why did we see M87* first, not SgrA*? 🤔
SgrA* is much smaller than M87*. The brightness and pattern of the gas around SgrA* was changing rapidly as the Event Horizon 'Scope was observing it a bit like trying to take a clear picture of a puppy🐕 quickly chasing its tail.