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- Shows Index
- Aliens (1)
- Amateur Astronomy (5)
- Observing (5)
- Astronomy (113)
- Cosmology (17)
- Galaxies (10)
- Nebulae (2)
- Observing (11)
- Planets (39)
- Extrasolar Planets (5)
- Our Solar System (32)
- Stars (17)
- Compact Objects (3)
- Stellar Evolution (8)
- Listeners (24)
- Questions Shows (19)
- Student Questions (4)
- People (9)
- Doing Astronomy (2)
- Interviews (6)
- Meetings (5)
- Physics (29)
- Forces (9)
- Particles (8)
- Relativity (5)
- Space Flight (6)
- The Show (3)
- Meetups (1)
- Collaborators
Universe Today 
Star Stryder 
Bad Astronomy 
- Past Shows
- Ep. 115: The Moon, Part 3: Return to the Moon
- Questions Show: Spiral Arms, Seismic Waves on the Sun, and our Favorite Gear
- Ep. 114: The Moon, Part 2 - Exploration of the Moon
- Questions Show: Ice in Space, Expansion of the Universe, and Death from the Skies
- Ep. 113: The Moon, Part 1
- Questions Show: Orbit of the Planets, Green Stars, and Oort Cloud Contamination
- Ep. 112: Death From the Skies, Interview with Phil Plait
- Questions Show: Relativity, Relativity and More Relativity
- Ep. 111: Nebulae
- Questions Show: Galactic Dust, the Speed of Photons, and the Big Bang Calculations
- Ep. 110: The Search for Extraterrestrial Intelligence
- Questions Show: Alignment with the Galactic Plane, Destruction from Venus, and the Death of the Solar System
- Ep. 109: The Life of Other Stars
- Questions Show - Running Out of Gravitons and Hitting the Brakes at Light Speed
- Ep. 108: The Life of the Sun
- Questions Show - light speed, Andromeda galaxy, dark matter and black holes
- Ep. 107: Nucleosynthesis: Elements from Stars
- Questions Show - Black Hole Surfaces, Magnetic Field Strengths, and the Speed of Gravitons
- Ep. 106: The Search for the Theory of Everything
- Student Questions Show: Leelanau School
- Ep. 105: The Strong and Weak Nuclear Forces
- Ep 104: Science Fiction at Dragon*Con with Plait and Grazier
- Ep. 103: Electromagnetism
- Ep 102: Gravity
- Ep. 101: Advanced Propulsion Systems
- Ep. 100: Rockets
- Ep. 99: The Milky Way
- Ep. 98: Quasars
- Ep. 97: Galaxies
- Ep. 96: Humans to Mars, Part 3 - Terraforming Mars
- Student Questions: Collinsville High School
- Ep. 95: Humans to Mars, Part 2 - Colonists
- Ep 94: Humans to Mars, Part 1 - Scientists
- Ep. 93: Missions to Mars, Part 2
- Ep. 92: Missions to Mars, Part 1
- Ep. 91: The Search for Water on Mars
- Ep. 90: The Scientific Method
- Ep. 89: Adaptive Optics
- Ep. 88: The Hubble Space Telescope
- Ep. 87: The End of the Universe Part 2: The End of Everything
- Ep. 86: The End of the Universe Part 1: The End of the Solar System
- Ep. 85: Detectors
- Ep. 84: Getting Around the Solar System
- Ep. 83: Wave Particle Duality
- Ep. 82: Space Junk
- Ep. 81: Questions on the Shape, Size and Centre of the Universe
- Ep. 80: Craters
- Ep. 79: How Big is the Universe?
- Ep. 78: What is the Shape of the Universe?
- Ep. 77: Where is the Centre of the Universe?
- Ep. 76: Lagrange Points
- Student Questions: Curtis High School
- Ep. 75: Stellar Populations
- Ep. 74: Antimatter
- Ep. 73: Questions Show #8
- Ep. 72: Cosmic Rays
- Ep. 71: Gravitational Waves
- Ep. 70: How To Win a Nobel Prize
- Student Questions: Farmersburg
- Ep. 69: The Large Hadron Collider and the Search for the Higgs-Boson
- Ep. 68: Globular Clusters
- Ep. 67: Building a Career in Astronomy
- Ep. 66: How Amateurs Can Contribute to Astronomy
- Ep. 65: The End of Our Tour Through the Solar System
- Ep. 64: Pluto and the Icy Outer Solar System
- Ep. 63: Neptune
- Ep. 62: Uranus
- Ep. 61: Saturn's Moons
- Ep. 60: Questions Show #7
- Ep. 59: Saturn
- Ep. 58: Inflation
- Ep. 57: Jupiter's Moons
- Ep. 56: Jupiter
- Ep. 55: The Asteroid Belt
- Ep. 54: Questions Show #6
- Ep. 53: Astronomy in Science Fiction
- Special Episode: Panspermia
- Ep. 52: Mars
- Ep. 51: Earth
- Ep. 50: Venus
- Ep. 49: Mercury
- Ep. 48: Tidal Forces Across the Universe
- Ep. 47: Tidal Forces
- Ep. 46: Stellar Nurseries
- Ep. 45: The Important Numbers in the Universe
- Listener Survey
- Ep. 44: Einstein's Theory of General Relativity
- Ep. 43: Questions Show #5
- Ep. 42: Magnetism Everywhere
- Ep. 41: The Rise of the Supertelescopes
- Ep. 40: American Astronomical Society Meeting, May 2007
- Ep. 39: Astrology and UFOs
- Ep. 38: Neutron Stars and their Exotic Cousins
- Ep. 37: Gravitational Lensing
- Ep. 36: Gamma-Ray Bursts
- Ep. 35: Questions Show #4
- Ep. 34: Discovering Another Earth
- Ep. 33: Choosing and Using a Telescope
- Ep. 32: The Search for Neutrinos
- Ep. 31: String Theory, Time Travel, White Holes, Warp Speed, Multiple Dimensions, and Before the Big Bang
- Ep. 30: The Sun, Spots and All
- Ep. 29: Asteroids Make Bad Neighbors
- Ep. 28: What is the universe expanding into?
- Ep. 27: Questions Show #3
- Ep. 26: The Largest Structures in the Universe
- Ep. 25: The Story of Galaxy Evolution
- Ep. 24: The Fermi Paradox: Where Are All the Aliens?
- Ep. 23: Counting Aliens With the Drake Equation
- Ep. 22: Variable Stars
- Ep. 21: Questions Show #2
- Ep. 20: What We Learned from the American Astronomical Society
- Ep. 19: Comets, Our Icy Friends from the Outer Solar System
- Special Alert: Go See Comet McNaught
- Ep. 18: Black Holes Big and Small
- Ep. 17: Where does the Moon Come From?
- Ep. 16: Across the Electromagnetic Spectrum
- Ep. 15: Questions Show #1
- Ep. 14: We're all Made of Supernovae
- Ep. 13: Where Do Stars Go When They Die?
- Ep. 12: Where Do Baby Stars Come From?
- Ep. 11: A Universe of Dark Energy
- iPod Issues Fix
- Ep. 10: Measuring Distance in the Universe
- Ep. 9: Einstein's Theory of Special Relativity
- Ep. 8: Meteor Showers. Yes, the sky is falling.
- Ep. 7: Getting Started in Amateur Astronomy
- Ep. 6: More Evidence for the Big Bang
- Ep. 5: The Big Bang and Cosmic Microwave Background
- Ep. 4: The Search for Dark Matter
- Ep. 3: Hot Jupiters and Pulsar Planets
- Ep. 2: In Search of Other Worlds
- Ep. 1: Pluto's Planetary Identity Crisis
- Welcome to Astronomy Cast!
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May 1st, 2008 at 2:07 pm
Hey, where can I find the survey that you asked us to fill out for this episode? Am I just way too late? Thanks!
May 1st, 2008 at 4:59 pm
Hi Robert - The survey has been pulled and published. You can find the results here: http://www.capjournal.org/issues/01/01_24.php
September 4th, 2008 at 1:34 pm
Just a quick addendum:
To the best of my knowledge, DNA is based on 4 "nucleotides", NOT "amino acids".
But you still rock! Keep the 'casts coming!
November 4th, 2008 at 11:50 am
Keep it up man.,