StarTalk Podcast: Cosmic Queries – Comet NEOWISE with Neil deGrasse Tyson

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Chapters & Sections (80)

1:03 Nageen Farsad's Background and Book section
1:21 Introduction and Co-Host Introduction chapter 1
1:21 Welcome and Co-Host Introduction
1:34 Comet Expert Natalie Starkey's Appearance chapter 1
1:34 Discussion of Science and Podcasts
3:39 From Geologist to Space Researcher chapter 4
3:39 Transition from Earth-based Geology to Space Research
4:10 Personal Experience and Expertise in Volcanoes
5:12 Violence and Geologists in Space
5:43 Volcanoes in the Solar System
6:44 Discussion on Comets and Space Volcanoes chapter 4
6:44 Personal Anecdote about a Pothead Ex-Boyfriend and Comets
7:16 Comet Neowise Discovery and Orbital Period
7:48 Comments in the Solar System and Comet Size
8:49 Comet Origins and Kuiper Belt
9:51 Comet Discovery and Initial Analysis chapter 4
9:51 Initial Thoughts on the Object's Nature
10:22 Calculating Orbit and Velocity
10:53 Comet Movement and Interaction with the Sun
11:23 Additional Comet Information and Clarification
11:53 Orbit and Movement of Comets chapter 1
11:53 Oort Cloud and Naming Conventions
12:55 Introduction to the Oort Cloud chapter 3
12:55 Jan Oort's Hypothesis and the Cloud of Comets
13:25 Formation of the Oort Cloud Shell
14:29 Indirect Observation and Detection of Comets
16:00 Comet Orbits and Near-Earth Objects chapter 5
16:00 Comet Orbits and Near-Earth Objects
16:32 Near-Earth Comets and Extinction Risk
17:03 Russian Trolls and Comet Research
17:33 Unanswered Questions about Comets
18:36 Comet Role in Life on Earth and Water Origin
19:07 The Origin of Water on Earth chapter 3
19:07 Water from Volcanic Activity and the Earth's Formation
20:07 Alternative Sources of Water, Including Comets and Asteroids
22:16 Amino Acids on Comets and the Possibility of Life Distribution
22:46 Amino Acids in Space chapter 3
22:46 Discovery of Amino Acids in Comets and Asteroids
23:16 Implications for the Origin of Life on Earth
23:46 Variation in Amino Acids and Possibility of Extraterrestrial Life
25:48 The Origin and Naming of Comet C/2020 F3 (NEOWISE) chapter 3
25:48 How NEOWISE Got Its Name
26:19 Alternative Designation and Comet Characteristics
27:21 Edmund Halley's Contribution to Astronomy
28:57 Comet's Interaction with Sun chapter 4
28:57 Comet's Approach and Orbit around Sun
29:28 Material Loss and Composition
29:58 Comet's Death and Body Shaming
30:59 Ice Sublimation and Coma Formation
32:01 Comet Composition and Environment chapter 3
32:01 Comet Surface Dynamics and Gases
32:34 Geysers and Volcanic Islands
33:05 Water Harvesting from Asteroids and Comets
35:09 Water in Space chapter 3
35:09 Launching Water into Space and Mining Comets
37:14 Water as Propulsion Fuel
38:15 Comet Colors and Chemical Compositions
38:46 Gas Emission and Spectra chapter 4
38:46 Carbon Monoxide and Ion Interactions
39:48 Energy States and Emission Spectra
40:18 Glow-in-the-Dark Frisbees and Comet Tails
40:49 Comet Tail Colors and Composition
41:51 Comet Discussion chapter 4
41:51 New Technology for Comet Observation
42:22 Comet Composition and Tail Color
42:52 Chemical Signatures and Unstudied Comets
43:55 Meteor Showers from Comet Dust
44:56 Comet Composition and Behavior chapter 3
44:56 Understanding Comet Death and Reactivity
45:26 Comet Composition Variability
46:27 Tracking Comets and Asteroids for Planetary Defense
47:59 Comet Disintegration and Collisions chapter 4
47:59 Comets Colliding in Space
48:30 Unlikely and Unexciting Cometary Collisions
49:00 Comet Fragility and Explosions
50:02 Probes Hitching Rides on Comets
51:03 Comet Landing and Physics chapter 3
51:03 Matching Speeds with a Comet
51:33 Potential Risks of Landing on a Comet
52:04 Conclusion and Wrap-up

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