Ata Sarajedini
Astronomy Minute
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.
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Episodes
Will Polaris Always be the North Star? 19.07.2020 2:04
A description of Precession of the Equinoxes which determines what the north star will be.
What Happened to Pluto Formerly Known as a Planet? 19.07.2020 1:58
A description of one of the main reasons why Pluto is no longer classified as a planet.
How Do We Name Stars? 17.07.2020 1:33
A brief description of how astronomers refer to individual stars in the sky.
What is a Constellation? 17.07.2020 1:17
A brief description of what the ancients and modern astronomers call constellations.
What are Variable Stars? 17.07.2020 1:14
A brief description of the two very broad categories into which variable stars are classified.
What is Helioseismology? 15.07.2020 1:35
A description of what helioseismology is and how we can use it to determine the various properties of the Sun.
What do Astronomers do? 14.07.2020 1:41
A brief explanation of what professional astronomers actually do in their role of applying the scientific method to better understanding the Universe.
What is the Difference Between Astronomy and Astrophysics? 14.07.2020 0:47
What is the Difference Between Astronomy and Astrophysics? In a word, nothing!
How do we use Light to Study the Universe? 14.07.2020 1:39
A brief description of the ways in which we analyze light to help us better understand the Universe.
What is the Solar System? 14.07.2020 2:10
A description of the basic constituents of the Solar System.
What is Cosmology? 14.07.2020 1:33
A basic description of what cosmology is and the assumption we need to make in order to apply it to the universe.
What is Light? 12.07.2020 1:50
A basic explanation of our theory for how light, a.k.a. electromagnetic radiation, behaves.
What is the Big Bang? 12.07.2020 1:45
A brief description of the Big Bang Theory and one of its primary predictions.
What is Dark Matter? 10.07.2020 1:48
A brief description of how we know dark matter exists.
What are M-numbers and NGC-numbers? 10.07.2020 2:12
An explanation of what M-numbers and NGC-numbers mean and represent in astronomy.
What is a Galaxy? 10.07.2020 1:15
A brief description of a galaxy and a cluster of galaxies.
What is a Nebula? 10.07.2020 2:06
A brief description of the 4 types of nebula we have identified in astronomy.
What is a Star Cluster? 10.07.2020 2:03
A description of the different kinds of star clusters and their properties.
How do Stars Form? 10.07.2020 1:50
A brief description of the process by which "A Star is Born."
Where do the Chemical Elements Come From? 10.07.2020 1:48
A brief description of the origin of the chemical elements seen in the periodic table.
What is a Brown Dwarf? 09.07.2020 1:47
A brief description of what a brown dwarf is and how it's formed.
What is Science? 09.07.2020 1:57
A brief description of what science is and how it works.
How do we measure distances in Astronomy? 09.07.2020 1:27
A very brief description of how we measure distances of celestial objects. This is truly a 30,000 foot view of a very complicated subject.
What is a Quasar? 09.07.2020 1:39
A brief description of what a quasar is and what we think they represent.
Astronomy is a Science of Extremes 08.07.2020 1:44
This episode explains how astronomy is a science of extremes.
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