Function: noun
Date: 1948
: astronomy dealing with radio waves received from outside the earth's atmosphere
– radio astronomer noun
– radio astronomical adjective
Function: noun
Date: 1948
: astronomy dealing with radio waves received from outside the earth's atmosphere
– radio astronomer noun
– radio astronomical adjective
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012