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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

10:52

Object 143: Almost Absolutely Awesome

George"s Random Astronomical Object ·

2025/02/03

GJ 887 is a very close red dwarf with two exoplanets (and a potential third) that almost look like they could harbor life except for one potential problem.

en

10:31

Object 142: The Littlest Galaxy Ever Found

George"s Random Astronomical Object ·

2025/01/20

The awkwardly-named Segue 2 is (as of the time of the publication of this episode) the smallest galaxy anyone has ever found.

en

12:32

Object 141: Just a Very Nice Spiral

George"s Random Astronomical Object ·

2025/01/06

Messier 74 is just a very nice looking face-on spiral galaxy, which has made it quite useful for many different types of astrophysical analyses.

en

09:44

Object 140: Imagine All the Dust

George"s Random Astronomical Object ·

2024/12/23

Infrared observations of SN 1995N indicate that the material ejected by the explosion may have produced a huge amount of dust.

en

08:16

Object 139: Recoil

George"s Random Astronomical Object ·

2024/12/09

The galaxy 3C 186 features a supermassive black hole with a mass several billions of times the mass of the Sun that has been ejected 36000 light years out of the galaxy's nucleus.

en

08:40

Object 138: A Weird Example of a Weird Subclass of a...

George"s Random Astronomical Object ·

2024/11/25

4U 1850-087 is an ultracompact binary star system consisting of a whtie dwarf and a neutron star orbiting each other so closely that the neutron star can strip the outer layers off of the white dwarf.

en

08:17

Object 137: The Bedtime Story of the Black Hole that...

George"s Random Astronomical Object ·

2024/11/11

The elliptical galaxy NGC 4291 contains a supermassive black hole that is unusually massive in comparison to the rest of the galaxy.

en

10:43

Object 136: Barium

George"s Random Astronomical Object ·

2024/10/28

HD 11397 is one of very few Sun-like stars that might seem ordinary but actually contain abnormally large amounts of heavy elements, most notably barium, that they could not have formed themselves.

en

09:01

Object 135: Feedback Time

George"s Random Astronomical Object ·

2024/10/14

NGC 3801 is one of the very few nearby galaxies where astronomers can see jets from an active galactic nucleus disrupting star formation in the galaxy in a process known as feedback.

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07:24

Object 134: Not Dead Yet

George"s Random Astronomical Object ·

2024/09/30

The star at the center of the planetary nebula NGC 7094 is almost but not quite a white dwarf, making it a rather unusual object for astronomers to look at.

en

09:45

Object 133: Strong Arm Tactics

George"s Random Astronomical Object ·

2024/09/16

One of the spiral arms in the galaxy NGC 3110 is producing unusually huge amounts of new stars as well as unusually huge amounts of infrared emission.

en

11:21

Object 132: I Need a 2002 Pop Culture Reference

George"s Random Astronomical Object ·

2024/09/02

The radio source PMN J0134-0931 created a lot of excitement in 2002 when people discovered that it was a quasar gravitationally lensed by another galaxy in front of it, they were really excited.

en

09:45

Object 131: Get To Know Your Ultrafaint Neighbors

George"s Random Astronomical Object ·

2024/08/19

Hydrus I is a very small, ultrafaint dwarf galaxy orbiting the Milky Way that was accidentally (or, to use the technical term, serendipitously) found by the Dark Energy Survey.

en

07:46

Object 130: Putting It All Together

George"s Random Astronomical Object ·

2024/08/05

NGC 4261 was made famous when Hubble Space Telescope observations in the 1990s showed that this elliptical galaxy contains a supermassive black hole.

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09:15

Object 129: Rinky-Dink

George"s Random Astronomical Object ·

2024/07/22

The very small Pyxis Cluster orbits the Milky Way in such an extremely extended orbit that it travels further away than many of the dwarf galaxies orbiting our galaxy.

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06:58

Object 128: The Dwarf Living Inside the Bridge

George"s Random Astronomical Object ·

2024/07/08

The NGC 6221/NGC 6215 Group of galaxies contains a bridge-like structure of hydrogen gas connecting the two spiral galaxies within the group as well as a dwarf galaxy that looks like it formed within the bridge.

en

12:59

Object 127: The Nebraska Blue Straggler Special

George"s Random Astronomical Object ·

2024/06/24

The open cluster NGC 188 is peculiar not only because it is very old for an open cluster but also because it contains an unusual number of blue stars for a cluster of its age.

en

10:10

Object 126: Do Not Mention Exoplanet b Again

George"s Random Astronomical Object ·

2024/06/10

HD 181433 has three exoplanets, two of which are gas giants with very unusually elongated orbits that have been very challenging to properly measure.

en

07:39

Object 125: The Business Form Variable Star System

George"s Random Astronomical Object ·

2024/05/27

HR 1099 (also known as V711 Tauri) was instrumental in showing that magnetic fields play a major role in causing the variability of stars within the RS CVn class of variable star systems.

en

11:16

Object 124: 6 > 2

George"s Random Astronomical Object ·

2024/05/13

Most people would associate Castor with Pollux, which are the two brightest stars in the constellation Gemini, but Castor by itself is very interesting because it is actually a very complex system containing six stars.

en

163 results

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