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	Search Results for Black Holes Search Type: Keywords | Results: Radio Programs | Images | FAQs | Other Resources | Search Again For more information, check out StarDate's Black Holes Encyclopedia. Definition Black hole: An object with such powerful gravity that nothing can escape from it, including light. The black hole's mass is concentrated in a point of almost infinite density called a singularity. More » Stargazing Tip No stargazing tips found. Check the Sky Almanac for more information. Radio Programs Displaying 1 to 5 (of 62 total) results | More results »  Title  Air Date Gamma-Ray Sky October 28, 2009 Primordial Black Holes III June 24, 2009 Primordial Black Holes II June 23, 2009 Primordial Black Holes June 22, 2009 More M87 May 14, 2009 Note: Audio versions of our programs will be available the day after they air. Visit the transcript page to listen. Image Gallery Displaying 1 to 5 (of 33 total) results | More results »  Image Hotter Galaxy Galactic Fireworks Unexpected Nursery Galactic Turmoil Hanny's Voorwerp Frequently Asked Questions Displaying 1 to 3 (of 3 total) results  Question What is the difference between a nova and a supernova? What happens to a star when it runs out of fuel? Is there a black hole at the center of the Milky Way? Other Resources StarDate Online | News | A Long Night Ahead for the Universe http://stardate.org/resources/news/universe/199704.html StarDate Online | News | Dark Matter Found In Galactic 'Ghosts' http://stardate.org/resources/news/universe/199904.html StarDate Online - Your Guide to the Universe http://stardate.org/ StarDate Online | Activities | The Milky Way http://stardate.org/teachers/activities/milkyway.html StarDate Online | News | Extrasolar Planets http://stardate.org/resources/news/planets/index.html StarDate Online | Solar System Guide | Explorations in 2008 http://stardate.org/resources/ssguide/explorations2008.html StarDate Online | News | Hipparcos Data Could Change Universe's Size http://stardate.org/resources/news/universe/199706.html StarDate Online | News | Two Discoveries Reveal Diversity of Galaxy's Extrasolar Planets http://stardate.org/resources/news/planets/200606.html StarDate Online | News | Telescope Ready to Listen for Cosmic ‘Howdy-Do’ http://stardate.org/resources/news/planets/200604.html StarDate Online | News | Astronomers Push Back Most Prolific Star-Forming Era — Maybe http://stardate.org/resources/news/universe/200204.html StarDate Online | News | Extrasolar Planets Display Dazzling Array of Properties http://stardate.org/resources/news/planets/200704.html StarDate Online | News | Constant Controversy Bedevils Hubble’s Magic Number http://stardate.org/resources/news/universe/200612.html StarDate Online | News | Extrasolar Planet Update http://stardate.org/resources/news/planets/200510.html StarDate Online | News | Universe Will Expand Forever, Astronomers Say http://stardate.org/resources/news/universe/199804.html StarDate Online | News | Size and Age of the Universe http://stardate.org/resources/news/universe/ StarDate Online | News | Spitzer Delves into Atmospheres of Two Exoplanets http://stardate.org/resources/news/planets/200706.html StarDate Online | News | Time Marches On...But How? http://stardate.org/resources/news/universe/200306b.html StarDate Online | News | Satellite Answers Big Questions, Poses More http://stardate.org/resources/news/universe/200306a.html StarDate Online | News | Structure of Universe Supports Accelerating Expansion http://stardate.org/resources/news/universe/200206.html StarDate Online | News | Dating the Universe with Stellar Relics http://stardate.org/resources/news/universe/200208.html
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