Podcast: Black Hole Questions Answered

Artist illustration of a black hole. Image credit: NASAOur episode on black holes generated many many questions from listeners. We dip into this bottomless pool of questions and start dealing with them. Are really big black holes like the Big Bang? How can black holes evaporate? What would it look like to stand on a black hole? And just how large would a rock have to be before its gravity is so strong that a human can’t escape?
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Tiny Shutters in the James Webb Telescope Improve its Vision

Artist impression of the James Webb Telescope. Image credit: NASANASA has a new article on their site describing one of the technologies going into the mighty James Webb Space Telescope; the successor to the Hubble Space Telescope. They’ve created an array of microshutters which will allow the telescope to dynamically block the light from nearby objects to make distant objects easier to see.
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Podcast: What We Learned from the American Astronomical Society

Artist impression of dark matter clumps. Image credit: HubbleIt’s astronomical society get together time, and we send Pamela to investigate and record. Hear the latest news that will make your text books out of date. Find out where all the dark matter is collecting, the identity of Kepler’s supernova, and new insights into the closest, brightest supernova in recent memory.
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All Was Quiet in the Galactic Centre

Objects at the galactic core. Image credit: IntegralFor a brief time in April 2006, the active region surrounding the supermassive black hole at the heart of the Milky Way settled down. Ten different sources of high energy rays all faded away temporarily, and ESA’s Integral probe was able to capture images of less bright regions, which weren’t completely obscured by the bright objects in their vicinity.
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