RT @ScienceCalendar: May 21, 1965-Arno Penzias & Robert Wilson announced discovery of 3 degree cosmic microwave background radiation, confi…
Tweet 21/05/2013 07:20 AM
Posted by Bolton School on 21 May 2013
Modified by Bolton School on 16 Sep 2023
RT @ScienceCalendar: May 21, 1965-Arno Penzias & Robert Wilson announced discovery of 3 degree cosmic microwave background radiation, confi…