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PODCAST

George"s Random Astronomical Object

George"s Random Astronomical Object is a biweekly astronomy podcast featuring science discussions about astronomical objects at randomly selected locations in the sky. The wide range of topics discussed in the show include stars, variable stars, variable variable stars, supermassive black holes, ultracool dwarf stars, exoplanets, howler monkeys, infrared radiation, acronyms, more acronyms, starbursts, measurements of less than 12 parsecs, jellyfish galaxies, diffuse ionized gas, and general overall

science astronomy

All Episodes

07:22

Object 163: Ludricous Rotation

George"s Random Astronomical Object ·

2025/11/24

The pulsar PSR J1022+1001 is one of a small subclass of pulsars named millisecond pulsars because they rotate one every few milliseconds.

en

09:26

Object 162: Slightly More Interesting Than a Medieval...

George"s Random Astronomical Object ·

2025/11/10

The lenticular galaxy NGC 1172 contains two different populations of globular clusters, which indicates something about the history of the galaxy.

en

08:14

Object 161: More Subclassifications

George"s Random Astronomical Object ·

2025/10/27

Dy Pegasi is an SX Phoenicis type variable star, and SX Phoenicis type variable stars are a subset of Delta Scuti type variable stars, and this episode explains why that is confusing but what it also actually means.

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08:47

Object 160: A Spiral Galaxy Using a Non-Standard Font

George"s Random Astronomical Object ·

2025/10/13

The spiral galaxy NGC 3718 has an unusually weird spiral shape, which belies its unusual history.

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08:58

Object 159: That One Very Famous Double Star

George"s Random Astronomical Object ·

2025/09/29

While amateur astronomers know that Albireo is a very spectacular-looking double star, professional astronomers are more interested in the dynamical complexities of Albireo's two star systems.

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08:11

Object 158: Dark Burst

George"s Random Astronomical Object ·

2025/09/15

The gamma ray burst GRB 020819 took place in a galaxy containing so much light-obscuring interstellar dust that people initially misidentified which galaxy contained the burst.

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08:23

Object 157: Something More Interesting than Three...

George"s Random Astronomical Object ·

2025/09/01

The nearby Sun-like star HD 69830 may have three exoplanets orbiting it, but astronomers seem more focused on trying to understand a hard-to-explain dust disk in the star system.

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07:56

Object 156: Dust Puffs

George"s Random Astronomical Object ·

2025/08/18

Z Ursa Minor belongs to a class of variable stars that occasionally produce puffs of dust, but this is not the weeirdest thing about them.

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11:21

Object 155: Pinwheel

George"s Random Astronomical Object ·

2025/08/04

The nearby face-on spiral galaxy Messier 101 is one of the most popular galaxies in the sky for astronomers to study, particularly in terms of studying the relative abundances of various elements within the galaxy.

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08:47

Object 154: The Binary Star System That Needed to Go...

George"s Random Astronomical Object ·

2025/07/21

A 0535+26 is a rather unusual star system called a Be high mass X-ray binary that periodically produces bursts of X-ray emission.

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07:17

Object 153: A Wolf Within a Wolf

George"s Random Astronomical Object ·

2025/07/07

Hen 2-113 is a rather unusual planetary nebula that formed not when a Sun-like star died but when a large, massive, and extraordinarily hot Wolf-Rayet star blew away its outer hydrogen layers.

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08:39

Object 152: The Spiderweb Flashlight

George"s Random Astronomical Object ·

2025/06/23

The quasar PKS 2126-158 has been popular to observe because astronomers can see many different things between the quasar and Earth, including an entire cluster of galaxies, that are absorbing light from the quasar.

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07:11

Object 151: A Magnetic Whale

George"s Random Astronomical Object ·

2025/06/09

Beta Ceti is a relatively close giant star where helium fusion has been triggered in its core, but it's a bit unusual compared to other stars that have reached this stage in their evolution.

en

09:50

Object 150: And Now for Something Completely the Same

George"s Random Astronomical Object ·

2025/05/26

Wolf 1069 is another nearby red dwarf with an exoplanet, but this time, the exoplanet is more likely to harbor life than other nearby red dwarfs with exoplanets that I may have discussed in previous episodes.

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09:42

Object 149: Spaghetti Leftovers

George"s Random Astronomical Object ·

2025/04/28

The globular cluster Messier 54 is not part of our galaxy but actually the nuclear stellar core of a dwarf galaxy that has nealy been completely gravitationally torn apart by the Milky Way.

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08:01

Object 148: Problem Solving

George"s Random Astronomical Object ·

2025/04/14

Algol-type variable affected by light travel time effect caused by two smaller red dwarfs on wide orbits; this makes the variability period of the central two stars appear to vary.

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08:21

Object 147: Nothing But Gas

George"s Random Astronomical Object ·

2025/03/31

Abell 1142 is a peculiar cluster of galaxies that has formed from the merger of two smaller clusters, and its center contains nothing but gas.

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08:05

Object 146: The Prototype of Peculiar

George"s Random Astronomical Object ·

2025/03/17

SN 2002cx was the first supernova ever identified in a subclass of objects now called Type Iax supernovae.

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10:56

Object 145: Neutron Numbers Time

George"s Random Astronomical Object ·

2025/03/03

PSR J1518+4904 is one of the very few identified double neutron stars, and it has provided opportunities to perform unique measurements on the objects.

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08:05

Object 144: Heavy Metals

George"s Random Astronomical Object ·

2025/02/17

The stars in the open cluster NGC 6253 contain abnormally large amounts of elements heavier than hydrogen and helium, and no one is quite certain why.

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163 results

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