SkyTour Radio Presents: Accidental Astronomy
Sunday August 12th, 2018
In this week’s episode of SkyTour Radio, we contimue with last week’s theme and focus on accidental discoveries that changed the world.
We will discuss new finds like Magnetars, Gamma Ray Bursters, the Ionian Volcano, howthey were stumbled upon and how these finds changed our way of looking at things.
The magnetic field decay powers the emission of high-energy electromagnetic radiation, particularly X-rays and gamma rays. The theory regarding these objects was proposed by Robert Duncan and Christopher Thompson in 1992, but the first recorded burst of gamma rays thought to have been from a magnetar had been detected on March 5, 1979.
During the following decade, the magnetar hypothesis became widely accepted as a likely explanation for soft gamma repeaters (SGRs) and anomalous X-ray pulsars (AXPs).
Gamma Ray Bursters
In gamma-ray astronomy, gamma-ray bursts (GRBs) are extremely energetic explosions that have been observed in distant galaxies. They are the brightest electromagnetic events known to occur in the universe.
Bursts can last from ten milliseconds to several hours. After an initial flash of gamma rays, a longer-lived “afterglow” is usually emitted at longer wavelengths (X-ray, ultraviolet, optical, infrared, microwave and radio).
The intense radiation of most observed GRBs is thought to be released during a supernova or hypernova as a rapidly rotating, high-mass star collapses to form a neutron star, quark star, or black hole. A subclass of GRBs (the “short” bursts) appear to originate from a different process: the merger of binary neutron stars. The cause of the precursor
burst observed in some of these short events may be the development of a resonance between the crust and core of such stars as a result of the massive tidal forces experienced in the seconds leading up to their collision, causing the entire crust of the star to shatter.
SkyTour Radio explores the Universe in a down to Earth manner explaining the science we know in fun and bite-sized terms. Science is for everyone and people shouldn’t require an advanced degree to understand as long as it is delivered in an easy to follow way. From Black Holes to Extraterrestrial Life, we will explore the Universe like never before. Join us to check out such things as how stars form, how they live and, how our fate is intertwined with theirs. On the extraterrestrial life front, we will be speaking to the UFO and science arena’s top researchers and bring UFOlogy into the 21st century.
Skytour Radio Broadcasts LIVE every Sunday starting at 9pm EST. Tune in on http://kgraradio.com or join the discussion by going to http://kgraradio.com/chat Don’t forget you can find out more information, see show updates and get more information on the Sky Tour Radio show page. http://kgraradio.com/skytour-radio/