The first person to map the Milky Way Galaxy using radio waves was
Karl Jansky.
O Grote Reber.
Albert Einstein.
Sir Isaac Newton.

In the late 18th century, astronomer William Herschel tried to do this, concluding that the earth was in the center of a 'grindstone'-shaped cloud of stars. But Herschel was not aware of the presence of small particles of interstellar dust, which obscure the light from the most distant stars in the Milky Way.

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