Astronomy Minute
By Ata Sarajedini
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Image by Ata Sarajedini
Category: Astronomy
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Episodes: 183
Description
Learn the basics of astronomy in one-to-two minute packets of concise information about specific topics. You are a busy person with a short attention span, and you want to learn about astronomical topics in a short amount of time. Your host Professor Ata is a PhD research astronomer and astrophysicist and a noted authority on stellar and galactic astronomy. I welcome your feedback at ata.sarajedini@gmail.com. See the web site astronomyminute.org for more. The podcast logo is courtesy of Zachary Greathouse and shows a globular cluster photo taken by the author with the Hubble Space Telescope.
| Episode | Date |
|---|---|
|
What is an Astronomical Observatory?
|
Jul 20, 2023 |
|
What is Occam's Razor?
|
Jul 19, 2023 |
|
Why is the Webb Telescope Optimized to Observe Infrared Light?
|
Jan 04, 2023 |
|
What are the Main Science Goals of the Webb Telescope?
|
Jan 04, 2023 |
|
What is the James Webb Space Telescope?
|
Dec 20, 2022 |
|
What is the Hubble Space Telescope?
|
Dec 14, 2022 |
|
Why Do We Put Telescopes in Space?
|
Dec 14, 2022 |
|
What is Meant by Spiral Nebula?
|
Jun 19, 2022 |
|
What is the Big Crunch?
|
May 31, 2022 |
|
What are the Basic Properties of Astronomical Objects?
|
May 18, 2022 |
|
What is the Local Group of Galaxies?
|
May 10, 2022 |
|
What Does it Mean to “Know” Something in Science?
|
Apr 10, 2022 |
|
How Can Atoms and Thus Matter be Mostly Empty Space?
|
Apr 08, 2022 |
|
What are Interacting Galaxies?
|
Mar 09, 2022 |
|
How do the Sun and Other Stars Shine?
|
Mar 09, 2022 |
|
What are Giant Molecular Clouds?
|
Feb 25, 2022 |
|
How do We Know that the Milky Way Galaxy is Spiral in Shape?
|
Feb 24, 2022 |
|
What is Meant by the 21 Centimeter Radiation of Hydrogen?
|
Feb 04, 2022 |
|
How are Neutron Stars and Pulsars Related?
|
Dec 18, 2021 |
|
What is a Neutron Star?
|
Aug 03, 2021 |
|
What is a White Dwarf Star?
|
Jul 28, 2021 |
|
How do We Know the Ages of Stars?
|
Jun 23, 2021 |
|
What is Seeing and the Resolving Power of a Telescope?
|
Jun 18, 2021 |
|
Are Black Holes Cosmic Vacuum Cleaners?
|
Jun 14, 2021 |
|
What Was Here Before the Big Bang?
|
Jun 11, 2021 |
|
Are UFOs Aliens From Outer Space?
|
Jun 09, 2021 |
|
What is the Milky Way Galaxy?
|
Jun 06, 2021 |
|
What is the Hubble Law?
|
Jun 02, 2021 |
|
What are Starburst Galaxies?
|
Jun 01, 2021 |
|
Is Science Absolute?
|
May 26, 2021 |
|
What is Meant by Dimensional Analysis?
|
May 17, 2021 |
|
What are Sunspots and the Sunspot Cycle?
|
May 11, 2021 |
|
What is Meant by Einstein’s Theory of Relativity?
|
May 11, 2021 |
|
A Description of the Mathematical Basis of Cause-and-Effect
|
May 02, 2021 |
|
How do Lunar and Solar Eclipses Happen?
|
Apr 12, 2021 |
|
What do I Need to Know About Planet Earth?
|
Apr 07, 2021 |
|
So You Want to be a Professional Astronomer?
|
Mar 30, 2021 |
|
How do Atoms Absorb and Emit Light?
|
Mar 24, 2021 |
|
What are Some Well-Known Deep Sky Objects?
|
Mar 15, 2021 |
|
What is Meant by the Retrograde Motion of the Planets?
|
Mar 12, 2021 |
|
What Professional Organizations Support the Work of Astronomers?
|
Mar 10, 2021 |
|
How do Astronomers Obtain Their Observations of the Sky?
|
Mar 09, 2021 |
|
How do Astronomers Disseminate Their Scientific Research Results?
|
Mar 03, 2021 |
|
What is Meant by Metal Abundance or Metallicity?
|
Feb 24, 2021 |
|
What is Meant by Light Pollution?
|
Feb 24, 2021 |
|
Is Science the Only Path to the Truth?
|
Feb 19, 2021 |
|
Which Notable Objects are in the Constellation of Virgo?
|
Feb 14, 2021 |
|
Which Notable Objects are in the Constellation of Ursa Major?
|
Feb 14, 2021 |
|
Which Notable Objects are in the Constellation of Tucana?
|
Feb 12, 2021 |
|
Which Notable Objects are in the Constellation of Triangulum?
|
Feb 11, 2021 |
|
Which Notable Objects are in the Constellation of Scorpius?
|
Feb 11, 2021 |
|
Which Notable Objects are in the Constellation of Ophiuchus?
|
Feb 10, 2021 |
|
Which Notable Objects are in the Constellation of Monoceros?
|
Feb 10, 2021 |
|
Which Notable Objects are in the Constellation of Leo?
|
Feb 07, 2021 |
|
The Many Facets of Astronomy and the Lure of the Night Sky
|
Jan 29, 2021 |
|
What is the Relation Between Local Sidereal Time and Local Time?
|
Jan 28, 2021 |
|
What is the Equation of Time?
|
Jan 26, 2021 |
|
What is Meant by Local Apparent Time?
|
Jan 26, 2021 |
|
Which Notable Objects are in the Constellation of Dorado?
|
Jan 23, 2021 |
|
What is Meant by Local Sidereal Time?
|
Jan 23, 2021 |
|
What is Meant by Galactic Coordinate System?
|
Jan 22, 2021 |
|
What is Meant by Altazimuth Coordinate System?
|
Jan 22, 2021 |
|
What is Meant by Altitude and Azimuth?
|
Jan 22, 2021 |
|
What is Meant by Equatorial Coordinate System?
|
Jan 22, 2021 |
|
What is Meant by Quantum Mechanics?
|
Jan 17, 2021 |
|
How do We Know the Age of the Universe?
|
Jan 17, 2021 |
|
Which Notable Objects are in the Constellation of Crux?
|
Jan 17, 2021 |
|
Which Notable Objects are in the Constellation of Coma Berenices?
|
Jan 13, 2021 |
|
Which Notable Objects are in the Constellation of Cetus?
|
Jan 13, 2021 |
|
Which Notable Objects are in the Constellation of Cassiopeia?
|
Jan 10, 2021 |
|
Which Notable Objects are in the Constellation of Canis Major?
|
Jan 10, 2021 |
|
Which Notable Objects are in the Constellation of Cancer?
|
Jan 10, 2021 |
|
Which Notable Objects are in the Constellation of Canes Venatici?
|
Dec 24, 2020 |
|
Which Notable Objects are in the Constellation of Centaurus?
|
Dec 23, 2020 |
|
Which Notable Objects are in the Constellation of Taurus?
|
Dec 22, 2020 |
|
Which Notable Objects are in the Constellation of Sagittarius?
|
Dec 22, 2020 |
|
Which Notable Objects are in the Constellation of Orion?
|
Dec 22, 2020 |
|
Which Notable Objects are in the Constellation of Lyra?
|
Dec 20, 2020 |
|
Which Notable Objects are in the Constellation of Hercules?
|
Dec 20, 2020 |
|
Which Notable Objects are in the Constellation of Cygnus?
|
Dec 20, 2020 |
|
Which Notable Objects are in the Constellation of Andromeda?
|
Dec 18, 2020 |
|
What is Meant by a Deep Sky Object?
|
Dec 18, 2020 |
|
What is an Asterism?
|
Dec 16, 2020 |
|
Why do We Study Astronomy?
|
Dec 16, 2020 |
|
The Universe as a Time Machine
|
Dec 11, 2020 |
|
How Old is the Universe, the Sun, and the Earth?
|
Dec 11, 2020 |
|
What is a Light Year?
|
Dec 09, 2020 |
|
What is Electromagnetic Radiation?
|
Dec 04, 2020 |
|
What is Meant by the Hubble Flow?
|
Dec 04, 2020 |
|
What is a Blackbody Curve or Planck Curve?
|
Nov 29, 2020 |
|
What is Precession of the Equinoxes?
|
Nov 29, 2020 |
|
What is Meant by the Signs of the Zodiac?
|
Nov 24, 2020 |
|
Is There Life Elsewhere in the Universe?
|
Nov 22, 2020 |
|
How Old is the Solar System?
|
Nov 17, 2020 |
|
How Did Our Galaxy Form?
|
Nov 14, 2020 |
|
Is There Such a Thing as THE Dark Side of the Moon?
|
Nov 06, 2020 |
|
What is Meant by Taxonomy in Science?
|
Nov 06, 2020 |
|
What are the Magellanic Clouds?
|
Nov 06, 2020 |
|
What do I Need to Know About Isaac Newton?
|
Oct 29, 2020 |
|
What do I Need to Know About Galileo?
|
Oct 28, 2020 |
|
The Clockwork of the Universe
|
Oct 28, 2020 |
|
What do I Need to Know About Johannes Kepler?
|
Oct 28, 2020 |
|
What do I Need to Know About Tycho Brahe?
|
Oct 26, 2020 |
|
What do I Need to Know About Nicolaus Copernicus?
|
Oct 26, 2020 |
|
How do We Know There are Planets Around Other Stars?
|
Oct 20, 2020 |
|
What is Meant by a Bell Curve?
|
Oct 16, 2020 |
|
What are Right Ascension and Declination?
|
Oct 16, 2020 |
|
What Causes the Phases of the Moon?
|
Oct 05, 2020 |
|
What Causes the Seasons on the Earth?
|
Sep 29, 2020 |
|
What is the Difference Between Precision and Accuracy?
|
Sep 27, 2020 |
|
What is Meant by an Order of Magnitude and a Logarithmic Scale?
|
Sep 16, 2020 |
|
Where are the Sun's Siblings?
|
Sep 14, 2020 |
|
What is the Difference Between Random Errors and Systematic Errors?
|
Sep 09, 2020 |
|
What is Meant by the Magnitude System?
|
Sep 04, 2020 |
|
What is the Kelvin Temperature Scale?
|
Sep 01, 2020 |
|
What are Comets and Meteor Showers?
|
Sep 01, 2020 |
|
What is the Cosmic Microwave Background?
|
Aug 27, 2020 |
|
How Do We Classify Stars?
|
Aug 25, 2020 |
|
What is Meant by Hierarchical Clustering in Astronomy?
|
Aug 23, 2020 |
|
What is the Interstellar Medium?
|
Aug 22, 2020 |
|
What is Meant by Tidal Forces?
|
Aug 21, 2020 |
|
What is Newton's Law of Universal Gravitation?
|
Aug 21, 2020 |
|
What is the Copernican Principle?
|
Aug 21, 2020 |
|
What is Dark Energy?
|
Aug 18, 2020 |
|
What is Gravitational Lensing?
|
Aug 13, 2020 |
|
How Do We Classify Galaxies?
|
Aug 13, 2020 |
|
What do I Need to Know About the Planet Neptune?
|
Aug 11, 2020 |
|
What do I Need to Know About the Planet Uranus?
|
Aug 11, 2020 |
|
What do I Need to Know About the Planet Saturn?
|
Aug 11, 2020 |
|
What do I Need to Know About the Planet Jupiter?
|
Aug 11, 2020 |
|
What do I Need to Know About the Planet Mars?
|
Aug 09, 2020 |
|
What do I Need to Know About the Planet Venus?
|
Aug 09, 2020 |
|
What do I Need to Know About the Planet Mercury?
|
Aug 09, 2020 |
|
What are the Different Types of Telescopes?
|
Jul 30, 2020 |
|
Why is the Sky Blue?
|
Jul 29, 2020 |
|
What are Interstellar Reddening and Extinction?
|
Jul 29, 2020 |
|
How Did the Earth's Moon Form?
|
Jul 29, 2020 |
|
What do we Know About the Sun?
|
Jul 28, 2020 |
|
What is Conservation of Angular Momentum?
|
Jul 28, 2020 |
|
What is the HR Diagram and the Main Sequence?
|
Jul 27, 2020 |
|
What is the Doppler Effect and Redshift?
|
Jul 24, 2020 |
|
What is the Inverse Square Law of Light?
|
Jul 24, 2020 |
|
What are Newton's Laws of Motion?
|
Jul 24, 2020 |
|
Can the Millennium Falcon Really do the Kessel run in 12 parsecs?
|
Jul 23, 2020 |
|
Does Science Prove Things?
|
Jul 23, 2020 |
|
How do we know there is a black hole at the center of our galaxy?
|
Jul 23, 2020 |
|
What are Kepler's Laws?
|
Jul 23, 2020 |
|
What are Active Galaxies?
|
Jul 22, 2020 |
|
How Did the Solar System Form?
|
Jul 21, 2020 |
|
Why Did I Create These Podcasts?
|
Jul 21, 2020 |
|
Will Polaris Always be the North Star?
|
Jul 19, 2020 |
|
What Happened to Pluto Formerly Known as a Planet?
|
Jul 19, 2020 |
|
How Do We Name Stars?
|
Jul 17, 2020 |
|
What is a Constellation?
|
Jul 17, 2020 |
|
What are Variable Stars?
|
Jul 17, 2020 |
|
What is Helioseismology?
|
Jul 15, 2020 |
|
What do Astronomers do?
|
Jul 14, 2020 |
|
What is the Difference Between Astronomy and Astrophysics?
|
Jul 14, 2020 |
|
How do we use Light to Study the Universe?
|
Jul 14, 2020 |
|
What is the Solar System?
|
Jul 14, 2020 |
|
What is Cosmology?
|
Jul 14, 2020 |
|
What is Light?
|
Jul 12, 2020 |
|
What is the Big Bang?
|
Jul 12, 2020 |
|
What is Dark Matter?
|
Jul 10, 2020 |
|
What are M-numbers and NGC-numbers?
|
Jul 10, 2020 |
|
What is a Galaxy?
|
Jul 10, 2020 |
|
What is a Nebula?
|
Jul 10, 2020 |
|
What is a Star Cluster?
|
Jul 10, 2020 |
|
How do Stars Form?
|
Jul 10, 2020 |
|
Where do the Chemical Elements Come From?
|
Jul 10, 2020 |
|
What is a Brown Dwarf?
|
Jul 09, 2020 |
|
What is Science?
|
Jul 09, 2020 |
|
How do we measure distances in Astronomy?
|
Jul 09, 2020 |
|
What is a Quasar?
|
Jul 09, 2020 |
|
Astronomy is a Science of Extremes
|
Jul 08, 2020 |
|
What is the Celestial Sphere?
|
Jul 07, 2020 |
|
What is a Black Hole?
|
Jul 06, 2020 |
|
What is a Pulsar?
|
Jul 06, 2020 |
|
How do Stars Die?
|
Jul 03, 2020 |
|
How do Stars Evolve?
|
Jul 03, 2020 |
|
What is a Supernova?
|
Jul 03, 2020 |
|
What is a Nova?
|
Jul 03, 2020 |
|
What is Astronomical Vocabulary?
|
Jul 03, 2020 |