Astrophysicist and Cosmos host Neil deGrasse Tyson introduced his audience at a recent public appearance to the “stoned” version of himself, Gawker reported on Monday.

“That video — basically, time-dilated — is one you would see if it were moving at 85 percent the speed of light, it was later calculated,” deGrasse Tyson explained during his speech on Friday at the Dunlap Institute for Astronomy and Astrophysics in Toronto. “But, someone did this. I didn’t — somebody did this, alright?”

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DeGrasse Tyson said on Twitter before the lecture that the calculation actually came from his daughter.

The video is actually footage from a 2011 statement posted by Big Think in which deGrasse Tyson explains his admiration for Isaac Newton, whom he calls the greatest physicist in history.

“The man was connected to the universe in ways that I’ve never seen another human being connected,” deGrasse Tyson said at the time. “Kind of spooky, actually.”

But, the slowed-down version, posted earlier this month, put deGrasse Tyson’s remarks in a whole new light. And as The Frisky noted, Sunday’s episode of Cosmos explained that many great thinkers enjoyed marijuana.

Watch deGrasse Tyson introduce the audience to the “stoned” version of himself, as posted online on Monday, below.

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The “stoned” video can be seen here.