Neil deGrasse Tyson stirs controversy with Christmas Day tweets
Tweet marking Isaac Newton's birthday retweeted more than 62,000 times in less than two days
Critics accuse him of "trolling Christmas" to "show you how smart he is"
(CNN) -- It's a figure that even astrophysicist Neil deGrasse Tyson is having a hard time wrapping his brilliant mind around.
His Christmas Day tweet commemorating the birthday of Isaac Newton was retweeted more than 62,000 times as of this writing, making it the most popular of his Twitter career so far -- and, arguably, his most controversial.
"On this day long ago, a child was born who, by age 30, would transform the world. Happy Birthday Isaac Newton b. Dec 25, 1642," the StarTalk host tweeted.