Neil deGrasse Tyson | This Past Weekend w/ Theo Von #683

This Past Weekend #683 - Neil deGrasse Tyson brings the universe down to bagel size, then lets Theo take it somewhere very different. The conversation keeps returning to how a good explanation, a joke or a change of perspective can make an unfamiliar idea feel close. 1. The new book is introduced as Lost in Space: 5,000 Facts for Navigating the Universe. Neil calls it a fourth collaboration between StarTalk and National Geographic Books. His example of making a fact memorable is visual: picture the sun as a sesame-seed bagel and Earth as one of the seeds. We are recounting his illustration and the books stated scope, not independently auditing five thousand entries or presenting an exact scale model. 2. Celsius belongs to two different conversations. Theo hears the discussion about celebrity and makes a joke about getting a Celsius deal. Neil immediately takes the word back for his own profession: whatever else it means on this show, to a scientist it is a temperature scale. Neither has to explain the other reference for the detour to work. 3. Neil says he once passed on a proposed parabolic plane ride with a condition attached. The Pepsi offer, as he recalls it, meant wearing a branded jumpsuit and potentially appearing in advertising photos. The zero-calorie and zero-gravity association was clear, but he says it was not worth that to him. This is his account of a proposed airplane experience, not an offer he accepted to orbit Earth. 4. His hypothetical space crew needs a poet and a comedian. Neil says he would bring Theo because the new surroundings would pass through a life experience completely different from his own. He values that lens, not just having somebody on board to repeat a familiar joke. Theo adds Duncan Trussell to the imagined crew; they are not announcing a flight. 5. Turning around from the chalkboard is part of teaching. Neil distinguishes someone who puts information in front of a room from someone who asks how the people in that room learn. His approach is to shape the explanation so it reaches them, rather than requiring everybody to meet him at the board. The conversation itself has been full of those alternate ways into an idea. 6. Twins apparently need a Carfax now. Theo turns his comic skepticism into a request for paperwork and a VIN. Neil plays along, then cannot let VIN number pass without pointing out that the final letter already stands for number. The joke reaches the same destination as ATM machine. It is wordplay, not an attempt to check anyones personal records. 7. The debris visualization gets a very Theo description: a snow globe inside out. Neil likes the image, then explains that the crowded-looking display compresses an enormous amount of space onto a screen. The scale qualification matters to what they are looking at. We are keeping the visual exchange without turning the changing on-air satellite totals into a newly verified orbital census. 8. A book of short facts becomes a plate of galactic biscuits. Theo describes little pieces of information that make you reach for another, then coins starbohydrates. Neil gives this one an enthusiastic approval. It is an unexpected second food model for the universe, after the opening bagel. 9. If Neil did choose a costume, it might be a protector of geeks. He imagines a signal made of digits of pi appearing in the sky, with more digits meaning somebody needs more help. The fantasy grows out of his dislike of people being picked on for being different. We are keeping the imaginary superhero separate from claims about actual fights or an independently checked wrestling record. 10. Even the proposed StarTalk tagline has a punchline. Neil says he wanted learn something for a change, but the marketing response was that it sounded too off-putting. By the end, the invitation is gentler: curiosity and being different are worth keeping. He closes that wider perspective by reading from Carl Sagans Pale Blue Dot, then they revisit an AI-styled clip from their earlier conversation. The replay is older material, not a new exchange recorded for this appearance. Conversation timestamps 00:00 - Neil deGrasse Tyson introduction 02:33 - The book and the bagel analogy 14:01 - Celsius as a temperature scale 20:27 - Imagining an alien encounter 27:49 - The Louisiana launch-site discussion 32:01 - Where Neil would want to travel 34:03 - The Pepsi plane-ride offer 36:52 - A poet and a comedian in the crew 43:30 - Teaching and meeting the learner 53:53 - Checking the missing-rover claim 1:02:11 - The portable-urinal detour 1:12:05 - Twins and Carfax 1:14:46 - Space debris and the inside-out snow globe 1:30:34 - The moon-restaurant dad joke 1:35:50 - Galactic biscuits and starbohydrates 1:37:53 - The geek-protector fantasy 1:45:16 - Cosmic curiosity as a child 1:59:10 - The rejected StarTalk tagline 2:01:17 - The imagined wormhole destination 2:09:12 - Celebrating being different 2:12:51 - Carl Sagan and the wider perspective 2:15:17 - Replaying the earlier conversation 2:16:38 - Closing thanks and book callback Which image made the idea stick: the bagel, the snow globe, or the pi signal?