All episodes
What is an Astronomical Observatory?
What is Occam's Razor?
Why is the Webb Telescope Optimized to Observe Infrared Light?
What are the Main Science Goals of the Webb Telescope?
What is the James Webb Space Telescope?
What is the Hubble Space Telescope?
Why Do We Put Telescopes in Space?
What is Meant by Spiral Nebula?
What is the Big Crunch?
What are the Basic Properties of Astronomical Objects?
What is the Local Group of Galaxies?
What Does it Mean to “Know” Something in Science?
How Can Atoms and Thus Matter be Mostly Empty Space?
What are Interacting Galaxies?
How do the Sun and Other Stars Shine?
What are Giant Molecular Clouds?
How do We Know that the Milky Way Galaxy is Spiral in Shape?
What is Meant by the 21 Centimeter Radiation of Hydrogen?
How are Neutron Stars and Pulsars Related?
What is a Neutron Star?
What is a White Dwarf Star?
How do We Know the Ages of Stars?
What is Seeing and the Resolving Power of a Telescope?
Are Black Holes Cosmic Vacuum Cleaners?
What Was Here Before the Big Bang?
Are UFOs Aliens From Outer Space?
What is the Milky Way Galaxy?
What is the Hubble Law?
What are Starburst Galaxies?
Is Science Absolute?
What is Meant by Dimensional Analysis?
What are Sunspots and the Sunspot Cycle?
What is Meant by Einstein’s Theory of Relativity?
A Description of the Mathematical Basis of Cause-and-Effect
How do Lunar and Solar Eclipses Happen?
What do I Need to Know About Planet Earth?
So You Want to be a Professional Astronomer?
How do Atoms Absorb and Emit Light?
What are Some Well-Known Deep Sky Objects?
What is Meant by the Retrograde Motion of the Planets?
What Professional Organizations Support the Work of Astronomers?
How do Astronomers Obtain Their Observations of the Sky?
How do Astronomers Disseminate Their Scientific Research Results?
What is Meant by Metal Abundance or Metallicity?
What is Meant by Light Pollution?
Is Science the Only Path to the Truth?
Which Notable Objects are in the Constellation of Virgo?
Which Notable Objects are in the Constellation of Ursa Major?
Which Notable Objects are in the Constellation of Tucana?
Which Notable Objects are in the Constellation of Triangulum?
Which Notable Objects are in the Constellation of Scorpius?
Which Notable Objects are in the Constellation of Ophiuchus?
Which Notable Objects are in the Constellation of Monoceros?
Which Notable Objects are in the Constellation of Leo?
The Many Facets of Astronomy and the Lure of the Night Sky
What is the Relation Between Local Sidereal Time and Local Time?
What is the Equation of Time?
What is Meant by Local Apparent Time?
Which Notable Objects are in the Constellation of Dorado?
What is Meant by Local Sidereal Time?
What is Meant by Galactic Coordinate System?
What is Meant by Altazimuth Coordinate System?
What is Meant by Altitude and Azimuth?
What is Meant by Equatorial Coordinate System?
What is Meant by Quantum Mechanics?
How do We Know the Age of the Universe?
Which Notable Objects are in the Constellation of Crux?
Which Notable Objects are in the Constellation of Coma Berenices?
Which Notable Objects are in the Constellation of Cetus?
Which Notable Objects are in the Constellation of Cassiopeia?
Which Notable Objects are in the Constellation of Canis Major?
Which Notable Objects are in the Constellation of Cancer?
Which Notable Objects are in the Constellation of Canes Venatici?
Which Notable Objects are in the Constellation of Centaurus?
Which Notable Objects are in the Constellation of Taurus?
Which Notable Objects are in the Constellation of Sagittarius?
Which Notable Objects are in the Constellation of Orion?
Which Notable Objects are in the Constellation of Lyra?
Which Notable Objects are in the Constellation of Hercules?
Which Notable Objects are in the Constellation of Cygnus?
Which Notable Objects are in the Constellation of Andromeda?
What is Meant by a Deep Sky Object?
What is an Asterism?
Why do We Study Astronomy?
The Universe as a Time Machine
How Old is the Universe, the Sun, and the Earth?
What is a Light Year?
What is Electromagnetic Radiation?
What is Meant by the Hubble Flow?
What is a Blackbody Curve or Planck Curve?
What is Precession of the Equinoxes?
What is Meant by the Signs of the Zodiac?
Is There Life Elsewhere in the Universe?
How Old is the Solar System?
How Did Our Galaxy Form?
Is There Such a Thing as THE Dark Side of the Moon?
What is Meant by Taxonomy in Science?
What are the Magellanic Clouds?
What do I Need to Know About Isaac Newton?
What do I Need to Know About Galileo?