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PODCAST

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

science astronomy

All Episodes

00:01:44

What is an Astronomical Observatory?

Astronomy Minute ·

2023/07/20

A brief description of what constitutes and astronomical observatory with a few examples in the real world that you have probably heard of.

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00:01:50

What is Occam's Razor?

Astronomy Minute ·

2023/07/19

A brief description of the philosophical concept known as Occam's Razor, which asserts that “the simplest explanation of a particular natural phenomenon is usually the correct one.”

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00:02:00

Why is the Webb Telescope Optimized to Observe...

Astronomy Minute ·

2023/01/04

A brief description of why the Webb Telescope is optimized to observe infrared light. Hint: it has to do with the four main science areas that it will be studying: “Other Worlds,” “Star Lifecycle,” “Galaxies Over Time,” and “Early Universe.”

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00:02:18

What are the Main Science Goals of the Webb Telescope?

Astronomy Minute ·

2023/01/04

A brief description of the four main science goals of the James Webb Space Telescope - “Other Worlds,” “Star Lifecycle,” “Galaxies Over Time,” and “Early Universe.”

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00:01:35

What is the James Webb Space Telescope?

Astronomy Minute ·

2022/12/20

A brief description of the James Webb Space Telescope and how it's different than the Hubble Space Telescope.

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00:01:38

What is the Hubble Space Telescope?

Astronomy Minute ·

2022/12/14

A brief description of the Hubble Space Telescope and its scientific capabilities.

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00:01:27

Why Do We Put Telescopes in Space?

Astronomy Minute ·

2022/12/14

A brief description of the two primary reasons why we send telescopes into space to observe and study celestial objects.

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00:01:08

What is Meant by Spiral Nebula?

Astronomy Minute ·

2022/06/19

A brief historical summary of what we mean when we refer to "Spiral Nebulae."

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00:01:38

What is the Big Crunch?

Astronomy Minute ·

2022/05/31

A brief description of what will happen if the universe stops expanding and collapses back on itself - this is known as the Big Crunch.

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00:02:15

What are the Basic Properties of Astronomical Objects?

Astronomy Minute ·

2022/05/18

A brief description of the basic properties of astronomical objects such as mass, radius, distance, luminosity, and temperature.

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00:01:18

What is the Local Group of Galaxies?

Astronomy Minute ·

2022/05/10

A brief description of the Local Group of galaxies which contains the Milky Way, the Andromeda galaxy, and dozens of dwarf galaxies all gravitationally bound to each other.

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00:01:58

What Does it Mean to “Know” Something in Science?

Astronomy Minute ·

2022/04/10

A brief description of what scientists mean when they say we "know" something.

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00:01:57

How Can Atoms and Thus Matter be Mostly Empty Space?

Astronomy Minute ·

2022/04/08

A brief description of the structure of atoms - how they are mostly empty space - and why the everyday objects you use don't collapse and fall in on themselves.

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00:01:35

What are Interacting Galaxies?

Astronomy Minute ·

2022/03/09

A brief description of what we mean when we talk about interacting galaxies.

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00:01:50

How do the Sun and Other Stars Shine?

Astronomy Minute ·

2022/03/09

A brief description of nuclear fusion, which is the process by which stars produce light so that they can shine.

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00:01:08

What are Giant Molecular Clouds?

Astronomy Minute ·

2022/02/25

A brief description of giant molecular clouds and why they are important for stars.

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00:01:17

How do We Know that the Milky Way Galaxy is Spiral in...

Astronomy Minute ·

2022/02/24

A brief description of the observational evidence we have supporting our assertion that the Milky Way galaxy is spiral in shape.

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00:02:27

What is Meant by the 21 Centimeter Radiation of...

Astronomy Minute ·

2022/02/04

A brief description of the 21 centimeter radiation (light) that the Hydrogen atom emits and the mechanism behind this emission.

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00:01:44

How are Neutron Stars and Pulsars Related?

Astronomy Minute ·

2021/12/18

A brief description of what astronomers mean when they say that "all pulsars are neutron stars but not all neutron stars are pulsars."

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00:01:58

What is a Neutron Star?

Astronomy Minute ·

2021/08/03

A brief description of neutron stars, which are essentially the end state of massive stars some of which become pulsars.

en

183 results

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