What You Didn’t Know You Didn’t Know About the Aurora Borealis

“And now commenced a display which baffles all description.”

On the evening of February 19, 1852, a scientist at the New Haven station of the nascent telegraph witnessed something extraordinary:

A blue line appeared upon the paper, which gradually grew darker and larger, until a flame of fire followed the pen, and burned through a dozen thicknesses of the prepared paper. The paper was set on fire by the flame, and produced considerable smoke. The current then subsided as gradually as it came on...