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Recent Podcast
A Tour of Cases of Black Hole Mistaken Identity
A Tour of Cases of Black Hole Mistaken Identity
Astronomers have discovered one type of growing supermassive black hole masquerading as another. (2020-07-15)
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Video Podcast Listing


A Tour of GJ 176 (09-06-2017)
X-rays emitted by a planet's host star may provide critical clues to just how hospitable a star system could be.

- Related Links:
--  X-rays Reveal Temperament of Possible Planet-hosting Stars


A Tour of IC 10 (08-10-2017)
IC 10 is a starburst galaxy that has many new stars forming within it.

- Related Links:
--  IC 10: A Starburst Galaxy with the Prospect of Gravitational Waves


A Tour of W51 (07-12-2017)
Because of its relative proximity, the giant molecular cloud W51 provides astronomers with an excellent opportunity to study how stars are forming in our Milky Way galaxy.

- Related Links:
--  W51: Chandra Peers into a Nurturing Cloud


A Tour of Arp 299 (06-26-2017)
What would happen if you took two galaxies and mixed them together over millions of years?

- Related Links:
--  Arp 299: Galactic Goulash
--  'A Quick Look' version of this podcast


A Tour of R Aquarii (06-07-2017)
In biology, "symbiosis" refers to two organisms that live close to and interact with one another. Astronomers have long studied a class of stars-- called symbiotic stars--that co-exist in a similar way.

- Related Links:
--  R Aquarii: Watching a Volatile Stellar Relationship
--  A Quick Look version of this podcast


A Tour of Faint Active Nuclei in Chandra Deep Field South (06-02-2017)
Astronomers have determined the Big Bang occurred about 13.8 billion years ago and have evidence from the SDSS that supermassive black holes with masses of about a billion times that of the sun existed by about 12.8 billion years ago.

- Related Links:
--  Early Black Holes May Have Grown in Fits and Spurts
--  'A Quick Look' version of this podcast


A Tour of NGC 4696 (04-19-2017)
The Centaurus Cluster is a collection of hundreds of galaxies located about 145 million light years from Earth.

- Related Links:
--  NGC 4696: The Arrhythmic Beating of a Black Hole Heart


A Tour of CDF-S Transient XT1 (03-30-2017)
Scientists have discovered a mysterious flash of X-rays using Chandra X-ray Observatory, in the deepest X-ray image ever obtained.

- Related Links:
--  CDF-S Transient: Mysterious Cosmic Explosion Puzzles Astronomers


A Tour of X9 in 47 Tucanae (03-13-2017)
In astronomy, a binary system is one where two objects are close enough that they orbit each other because they are gravitationally bound to one another.

- Related Links:
--  Star Discovered in Closest Known Orbit Around Likely Black Hole


A Tour of Supernova 1987A (02-24-2017)
Thirty years ago on February 24, 1987, observers in the southern hemisphere noticed a new object in the Large Magellanic Cloud.

- Related Links:
--  The Dawn of a New Era for Supernova 1987A


A Tour of XJ1500+0154 (02-06-2017)
Every so often, an object will pass too close to a black hole and be ripped apart by its intense gravitational forces.

- Related Links:
--  Black Hole Meal Sets Record for Length and Size


Tour of Chandra Deep Field South (01-06-2017)
What happens when astronomers use Chandra to take a long look at the same patch of sky?

- Related Links:
--  Deepest X-ray Image Ever Reveals Black Hole Treasure Trove


A Tour of Abell 3411 (01-05-2017)
There are many extraordinary things in the Universe. For example, astronomers have found many examples of supermassive black holes erupting in powerful outbursts that can stretch for millions of miles.

- Related Links:
--  Astronomers Discover Powerful Cosmic Double Whammy


A Tour of NGC 6357 (12-20-2016)
Although there are no seasons in space, this cosmic vista invokes thoughts of a frosty winter landscape.

- Related Links:
--  Cosmic 'Winter' Wonderland


A Tour of SPT 0346-52 (12-12-2016)
Astronomers have used Chandra X-ray Observatory and other telescopes to show that a very distant galaxy is undergoing an extraordinary boom of stellar construction.

- Related Links:
--  Under Construction: Distant Galaxy Churning Out Stars at Remarkable Rate


A Tour of Cyg X-3's Little Friend (11-25-2016)
The story of how stars are born and eventually die can be a complicated one.

- Related Links:
--  A Stellar Circle of Life


A Tour of Chandra's Data Archives (10-18-2016)
Each year, Chandra X-ray Observatory helps celebrate American Archive Month by releasing a collection of images using X-ray data that have been stored in its archive.

- Related Links:
--  Discovering the Treasures in Chandra's Archives


Is the Sun Really a Giant Pokemon? (10-11-2016)
The Sun can create powerful storms capable of knocking out communication satellites and damaging electrical power systems on Earth.

- Related Links:
--  Is the Sun Really a Giant Pokémon?


A Tour of XJ1417+52 (10-07-2016)
First discovered in observations from Chandra and XMM-Newton over a decade ago, this object has some interesting properties.

- Related Links:
--  X-ray Telescopes Find Evidence for Wandering Black Hole


Tour of Pluto (09-16-2016)
During the summer of 2015, scientists and the public alike were treated to a flood of images and discoveries about Pluto as the New Horizon spacecraft made an unprecedented flyby of the dwarf planet.

- Related Links:
--  X-ray Detection Sheds New Light on Pluto


Tour of RCW 103 (09-12-2016)
When stars have more than about 8 times as much mass as the Sun, they end their lives in a spectacular explosion called a supernova.

- Related Links:
--  Young Magnetar Likely the Slowest Pulsar Ever Detected


A Tour of CL J1001 (08-31-2016)
Galaxy clusters are incredibly important objects in the Universe since they are the largest objects in the Universe held together by gravity.

- Related Links:
--  Record-breaking Galaxy Cluster Discovered


The AstrOlympics Project: PRESSURE (08-26-2016)
In science, pressure is defined as the amount of force over a given area. This means you can have the same amount of force over two different areas and end up with different results.

- Related Links:
--  AstrOlympics Project


The AstrOlympics Project: MASS (08-24-2016)
The range of mass in our everyday lives and what we can appreciate in sporting events like the Olympics is just the tip of the proverbial iceberg - especially once we allow our minds to consider the wonders of space

- Related Links:
--  AstrOlympics Project


The AstrOlympics: Time (08-22-2016)
Time and our ability to measure it accurately is also key for many frontiers of science, including astrophysics.

- Related Links:
--  AstrOlympics Project


A Tour of G11.2-0.3 (08-18-2016)
While they may sound like very different and distinct fields, astronomy and history can intersect in very interesting and important ways.

- Related Links:
--  Supernova Ejected from the Pages of History


A Tour of IC 2497 (08-12-2016)
A galaxy and a cloud of cool gas located about 680 million light years from Earth.

- Related Links:
--  Cloverleaf Quasar
--  SDSS J1254+0846


A Tour of GJ 3253 (08-05-2016)
A low-mass red dwarf star about 31 light years away from Earth.

- Related Links:
--  Neon Abundance in Nearby Stars
--  What Might Happen If Our Sun Had A Twin


A Tour of GRB 140903A (07-19-2016)
Gamma-ray bursts are some of the most powerful explosions in the Universe.

- Related Links:
--  Chandra Finds Evidence for Violent Stellar Merger


The AstrOlympics Project: DISTANCE (07-01-2016)
Despite how large some Olympic distances may seem, they are just a tiny fraction of the lengths we see across space.

- Related Links:
--  AstrOlympics Project


A Tour of VLA J2130+12 (06-27-2016)
Astronomers have found many black holes both here in our Milky Way galaxy and beyond.

- Related Links:
--  Clandestine Black Hole May Represent New Population


The AstrOlympics Project: SPEED (06-23-2016)
By converting speeds from common experiences into meters per second, we can use this as a reference point for exploring the enormous range of speeds around the world and across the Universe.

- Related Links:
--  AstrOlympics Project


The AstrOlympics Project: ROTATION (06-16-2016)
In the Olympic Games, athletes often need to rotate in order to compete in their sports. We also find things in space that rotate.

- Related Links:
--  AstrOlympics Project


A Tour of TW Hya (06-15-2016)
One of the most exciting developments in astronomy in the last couple of decades has been the discovery and study of planets around stars other than our Sun.

- Related Links:
--  Smaller Stars Pack Big X-ray Punch For Would-be Planets


What Do Olympic Athletes and Objects in Space have in Common? (06-03-2016)
The AstrOlympics project explores the spectacular range of science that we can find both in the impressive feats of the Olympic Games as well as in cosmic phenomena throughout the Universe.

- Related Links:
--  AstrOlympics Project


A Tour of Black Hole Seeds (06-02-2016)
The new results suggest that at least some of the supermassive black holes in the early Universe formed through this direct collapse method.

- Related Links:
--  NASA Telescopes Find Clues For How Giant Black Holes Formed So Quickly


A Tour of Tycho's Supernova Remnant (05-25-2016)
In modern times, astronomers have observed the debris field from this explosion - what is now known as Tycho's supernova remnant - with many telescopes including the Chandra X-ray Observatory.

- Related Links:
--  Chandra Movie Captures Expanding Debris From a Stellar Explosion


A Tour of Galaxy Clusters (05-06-2016)
A new study tries to tackle the questions surrounding dark energy by examining properties of X-ray emission from galaxy clusters.

- Related Links:
--  "Russian Doll" Galaxy Clusters Reveal Information About Dark Energy


A Tour of Comets ISON and PanSTARRS (04-21-2016)
Recently, astronomers have performed such a study using observations with Chandra of two comets, named ISON and PanSTARRS.

- Related Links:
--  Comets in the "X"-Treme


A Tour of G1.9+0.3 (04-08-2016)
A little more than a century ago, as seen from the Earth, a star exploded near the center of the Milky Way galaxy.

- Related Links:
--  Trigger for Milky Way's Youngest Supernova Identified


A Tour of Jupiter (04-01-2016)
A new study using data from Chandra X-ray Observatory has shown that storms from the Sun are triggering auroras in X-ray light.

- Related Links:
--  Solar Storms Ignite Northern Lights on Jupiter


A Tour of Frontier Fields (03-23-2016)
Two of these Frontier Fields galaxy clusters, going by their abbreviated names, are MACS J0416 and MACS J0717.

- Related Links:
--  Telescopes Combine to Push Frontier on Galaxy Clusters


A Tour of B3 0727+409 (02-26-2016)
Astronomers have used Chandra X-ray Observatory to discover a jet from a very distant supermassive black hole being illuminated by the oldest light in the Universe.

- Related Links:
--  Glow from the Big Bang Allows Discovery of Distant Black Hole Jet


A Tour of Pictor A (02-10-2016)
The Universe produces phenomena that often surpass what science fiction can conjure.

- Related Links:
--  Blast from Black Hole in a Galaxy Far, Far Away



Please note: These podcasts include artist illustrations and conceptual animations in addition to astronomical data.