The first person to map the Milky Way Galaxy using radio waves was

Karl Jansky.

O Grote Reber.

Albert Einstein.

Sir Isaac Newton.

Respuesta :

Answer:

its b. o grote reber

Explanation:

i took the test and got a 100. also a other question i got on the test said he did.

Answer: B. Grote Reber

Explanation: Yes, is the same answer as the last one.