The Wow! Signal May Have Been a Radio Message from Beyond Earth

On the night of August 15, 1977, a radio telescope standing in a field near Delaware, Ohio, swept the sky for a narrow signal that might come from another civilization. Days later, astronomer Jerry Ehman spotted one line of characters that looked nothing like the rest of the printout, circled it in red pen, and wrote a single word beside it: "Wow!".

On the night of August 15, 1977, a radio telescope standing in a field near Delaware, Ohio, swept the sky for a narrow signal that might come from another civilization. Days later, astronomer Jerry Ehman spotted one line of characters that looked nothing like the rest of the printout, circled it in red pen, and wrote a single word beside it: "Wow!".

On the night of August 15, 1977, a radio telescope standing in a field near Delaware, Ohio, swept the sky for a narrow signal that might come from another civilization. Days later, astronomer Jerry Ehman spotted one line of characters that looked nothing like the rest of the printout, circled it in red pen, and wrote a single word beside it: "Wow!".

On the night of August 15, 1977, a radio telescope standing in a field near Delaware, Ohio, swept the sky for a narrow signal that might come from another civilization. Days later, astronomer Jerry Ehman spotted one line of characters that looked nothing like the rest of the printout, circled it in red pen, and wrote a single word beside it: "Wow!".