As millions of people looked up to the sky to see the moon temporarily block out the sun during the April 8 total solar eclipse, the extraordinary cosmic event also shifted invisible"time signals" being beamed from the U.S. across the globe, new data shows. But don't worry, these altered signals did not result in any changes to the time we observed during or after the event.
Related: 6 strange things observed during the April 8 solar eclipse: From doomed comets to 'diamond rings' Luckily, the change to the WWV signal's frequency was so small that the digital time codes transmitted by the radio waves were unaltered, meaning devices that rely on the signal to keep time were unaffected, according to Spaceweather.com.
A 'quick flip to darkness'The shift to the WWV signal is known as a Doppler shift, which happens when the distance a signal must travel either increases or decreases. These changes can either stretch or truncate the waves, which in turn alters the frequency and wavelength of the waves.
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