Sinopsis
Science discussions about astronomical objects selected at random locations in the sky.
Episodios
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Object 147: Nothing But Gas
31/03/2025 Duración: 08minAbell 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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Object 146: The Prototype of Peculiar
17/03/2025 Duración: 08minSN 2002cx was the first supernova ever identified in a subclass of objects now called Type Iax supernovae.
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Object 145: Neutron Numbers Time
03/03/2025 Duración: 10minPSR 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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Object 144: Heavy Metals
17/02/2025 Duración: 08minThe 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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Object 143: Almost Absolutely Awesome
03/02/2025 Duración: 10minGJ 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.
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Object 142: The Littlest Galaxy Ever Found
20/01/2025 Duración: 10minThe awkwardly-named Segue 2 is (as of the time of the publication of this episode) the smallest galaxy anyone has ever found.
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Object 141: Just a Very Nice Spiral
06/01/2025 Duración: 12minMessier 74 is just a very nice looking face-on spiral galaxy, which has made it quite useful for many different types of astrophysical analyses.
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Object 140: Imagine All the Dust
23/12/2024 Duración: 09minInfrared observations of SN 1995N indicate that the material ejected by the explosion may have produced a huge amount of dust.
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Object 139: Recoil
09/12/2024 Duración: 08minThe 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.
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Object 138: A Weird Example of a Weird Subclass of a Weird Class of Objects
25/11/2024 Duración: 08min4U 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.
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Object 137: The Bedtime Story of the Black Hole that was Too Large for its Galaxy
11/11/2024 Duración: 08minThe elliptical galaxy NGC 4291 contains a supermassive black hole that is unusually massive in comparison to the rest of the galaxy.
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Object 136: Barium
28/10/2024 Duración: 10minHD 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.
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Object 135: Feedback Time
14/10/2024 Duración: 09minNGC 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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Object 134: Not Dead Yet
30/09/2024 Duración: 07minThe 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.
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Object 133: Strong Arm Tactics
16/09/2024 Duración: 09minOne 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.
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Object 132: I Need a 2002 Pop Culture Reference
02/09/2024 Duración: 11minThe 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.
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Object 131: Get To Know Your Ultrafaint Neighbors
19/08/2024 Duración: 09minHydrus 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.
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Object 130: Putting It All Together
05/08/2024 Duración: 07minNGC 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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Object 129: Rinky-Dink
22/07/2024 Duración: 09minThe 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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Object 128: The Dwarf Living Inside the Bridge
08/07/2024 Duración: 06minThe 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.