Learn the basics of astronomy in one-to-two minute packets of concise information about specific topics. You are a busy person, and like the host of these podcasts, have a short attention span; you want to know more astronomy today than you did yesterday.
Your host, Professor Ata Sarajedini, is a Yale-educated PhD astronomer and astrophysicist with his own active research program and a noted authority on stellar and galactic astronomy.
Podcasts available on Spotify, Apple Podcasts, Google podcasts, Anchor, and other platforms. Podcasts are self-contained and can be enjoyed in any order. Occasionally, there will be a link to a figure that helps explain the subject being presented. Please send feedback - positive or negative - to ata.sarajedini@gmail.com - or use the form at the bottom of this page.
96. What is Electromagnetic Radiation?
44. What is the Doppler Effect and Redshift?
43. What is the Inverse Square Law of Light?
94. What is a Blackbody Curve or Planck Curve?
70. What is the Kelvin Temperature Scale?
42. What are Newton’s Laws of Motion?
63. What is Newton’s Law of Universal Gravitation?
64. What is Meant by Tidal Forces?
3. What is Astronomical Vocabulary?
9. Astronomy is a Science of Extremes.
40. Does Science Prove Things?
87. What is Meant by Taxonomy in Science?
26. What is the Difference Between Astronomy and Astrophysics?
79. The Clockwork of the Universe. (Figure)
100. Why do We Study Astronomy?
62. What is the Copernican Principle?
129. The Many Facets of Astronomy and the Lure of the Night Sky.
10. What is the Celestial Sphere?
120. What is Meant by Equatorial Coordinate System?
77. What are Right Ascension and Declination?
124. What is Meant by the Local Sidereal Time (LST)?
126. What is Meant by Local Apparent Time?
127. What is the Equation of Time?
128. What is the Relation Between Local Sidereal Time and Local Time?
122. What is Meant by Altazimuth Coordinate System?
121. What is Meant by Altitude and Azimuth?
123. What is Meant by Galactic Coordinate System?
34. Will Polaris Always be the North Star?
93. What is Precession of the Equinoxes?
92. What is Meant by the Signs of the Zodiac?
19. What are M-numbers and NGC-numbers?
102. What is Meant by a Deep Sky Object?
103. Which Notable Objects are in the Constellation of Andromeda?
112. Which Notable Objects are in the Constellation of Cancer?
111. Which Notable Objects are in the Constellation of Canes Venatici?
113. Which Notable Objects are in the Constellation of Canis Major?
114. Which Notable Objects are in the Constellation of Cassiopeia?
110. Which Notable Objects are in the Constellation of Centaurus?
115. Which Notable Objects are in the Constellation of Cetus?
116. Which Notable Objects are in the Constellation of Coma Berenices?
117. Which Notable Objects are in the Constellation of Crux?
104. Which Notable Objects are in the Constellation of Cygnus?
125. Which Notable Objects are in the Constellation of Dorado?
105. Which Notable Objects are in the Constellation of Hercules?
130. Which Notable Objects are in the Constellation of Leo?
106. Which Notable Objects are in the Constellation of Lyra?
131. Which Notable Objects are in the Constellation of Monoceros?
132. Which Notable Objects are in the Constellation of Ophiuchus?
107. Which Notable Objects are in the Constellation of Orion?
108. Which Notable Objects are in the Constellation of Sagittarius?
133. Which Notable Objects are in the Constellation of Scorpius?
109. Which Notable Objects are in the Constellation of Taurus?
134. Which Notable Objects are in the Constellation of Triangulum?
135. Which Notable Objects are in the Constellation of Tucana?
136. Which Notable Objects are in the Constellation of Ursa Major?
137. Which Notable Objects are in the Constellation of Virgo?
36. How did the Solar System Form?
90. How Old is the Solar System?
52. What do I Need to Know About the Planet Mercury?
53. What do I Need to Know About the Planet Venus?
75. What Causes the Seasons on the Earth? (Figure)
76. What Causes the Phases of the Moon? (Movie)
48. How did the Earth’s Moon Form?
88. Is There Such a Thing as THE Dark Side of the Moon?
54. What do I Need to Know About the Planet Mars?
55. What do I Need to Know About the Planet Jupiter?
56. What do I Need to Know About the Planet Saturn?
57. What do I Need to Know About the Planet Uranus?
58. What do I Need to Know About the Planet Neptune?
33. What Happened to Pluto Formerly Known as a Planet?
69. What are Comets and Meteor Showers?
86. What are the Magellanic Clouds?
59. How do We Classify Galaxies?
39. How do we Know there is a black hole at the center of our galaxy?
60. What is Gravitational Lensing?
66. What is Meant by Hierarchical Clustering in Astronomy?
95. What is Meant by the Hubble Flow?
68. What is the Cosmic Microwave Background?