"HA HA HA I've blocked the Sun!" wrote NASA Moon (@NASAMoon) on its verified Twitter account, which was created by the National Aeronautics and Space Administration. "Make way for the Moon. #SolarEclipse2017."
The tweet was accompanied with a screenshot photo showing that the moon had blocked the verified Twitter profile of NASA Sun & Space (@NASASun). The sun's response was swift.
"Uh EXCUSE me?!? #solareclipse2017," tweeted @NASASun.
Tens of thousands of Twitter users liked the exchange and many social media users responded with amusement.
"This is just too perfect. Congratulations. You have won the entire internet," user Andy Stein (@MandoPony) replied.
Some users exacerbated the spat online, using GIFs of celebrities applauding and toasting to the moon, while some accused it of being petty and demanded that the sun respond.
After weeks of anticipation, the sight of the moon's silhouette blotting out all but a halo-like corona of the sun drew whoops and cheers from onlookers when it began over the West Coast on Monday.
(Reporting by Gina Cherelus in New York; Editing by Daniel Wallis and Bill Trott)
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