Bill Nye the Science Guy, the current Doctor Who, a Star Trek original, the creator of Mystery Science Theater and other celebrities joined the March for Science on ground and in the internet ether today as thousands gathered in New York, Washington D.C. and hundreds of cities around the world. “Thank you for standing up for TRUTH,” tweeted Scandal‘s Kerry Washington, while Joel Hodgson, creator of Mystery Science Theater 3000, skipped his show’s trademark snark for a…