Cosmos host Neil deGrasse Tyson debunked conservative radio host Neal Larson's claim that he "mocked" a 9-year-old girl on Twitter and during an event, the Daily Kos reported.
Larson had accused deGrasse Tyson of making fun of the girl for suggesting "she’d like to live on Jupiter."
"He ridiculed her in the midst of a crowd, then later, several times, on Twitter," Larson claimed in an op-ed on Tuesday. "That told me everything I needed to know about Neil deGrasse Tyson."
But deGrasse Tyson quickly commented on the article.
"The 'incident' with a 9yr old girl never happened. It looks to be a hoax. No such tweets ever existed on November 29th, 2015, or on any other day," he wrote, adding, "So you abrogated your journalistic integrity by not verifying what you read in somebody else's article, before using it as a foundational pillar in yours."
In reality, Larson's allegation was derived from a piece on the satirical website Clickhole, which included fake tweets attributed to the astrophysicist.