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	Search Results for Interstellar Gas and Dust Search Type: Keywords | Results: Radio Programs | Images | FAQs | Other Resources | Search Again Definition Interstellar dust: Tiny grains of carbon, iron, and iron-magnesium silicates scattered at varying densities between the stars in our galaxy and other galaxies. Interstellar gas: Mostly hydrogen and helium scattered at varying densities between the stars in our galaxy and other galaxies. The proportions of the gases are similar to those in the Sun. More » Stargazing Tip No stargazing tips found. Check the Sky Almanac for more information. Radio Programs Displaying 1 to 5 (of 28 total) results | More results »  Title  Air Date Tarantula Nebula May 25, 2009 Fireball May 5, 2009 Tough Neighborhood April 27, 2009 Black-Eye Galaxy April 11, 2009 Herschel April 9, 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 43 total) results | More results »  Image A Wispy Swan A Big Shiner Hanny's Voorwerp Dusty Skies Dusty Skies Frequently Asked Questions Displaying 1 to 5 (of 5 total) results  Question What are stars made of? What is a brown dwarf? How are stars born? What are comets made of? How and when did the solar system form? Other Resources StarDate Online | Solar System Guide | Sun http://stardate.org/resources/ssguide/sun.html StarDate Online | Solar System Guide http://stardate.org/resources/ssguide/index.html StarDate Online | Solar System Guide http://stardate.org/resources/ssguide/ StarDate Online | Solar System Guide | Comets http://stardate.org/resources/ssguide/comets.html StarDate Online | Solar System Guide | Explorations in 2001 http://stardate.org/resources/ssguide/explorations2001.html StarDate Online | Solar System Guide | Explorations of Minor Bodies http://stardate.org/resources/ssguide/explorations_minor.html StarDate Online | Solar System Guide | Explorations in 2004 http://stardate.org/resources/ssguide/explorations2004.html StarDate Online | Solar System Guide | Explorations in 2006 http://stardate.org/resources/ssguide/explorations2006.html StarDate Online | Solar System Guide | Planet Formation http://stardate.org/resources/ssguide/planet_form.html StarDate Online | Solar System Guide | Mars http://stardate.org/resources/ssguide/mars.html StarDate Online | Solar System Guide | Explorations in 2008 http://stardate.org/resources/ssguide/explorations2008.html StarDate Online | Solar System Guide | Home Sweet Home http://stardate.org/resources/ssguide/solar_system.html StarDate Online | Solar System Guide | Life http://stardate.org/resources/ssguide/life.html StarDate Online - Your Guide to the Universe http://stardate.org/ StarDate Online | Solar System Guide | Minor Bodies: Remnants from the Beginning http://stardate.org/resources/ssguide/minor_bodies_more.html StarDate Online | Solar System Guide | Io http://stardate.org/resources/ssguide/triton.html StarDate Online | Solar System Guide | Moons of Mars http://stardate.org/resources/ssguide/mars_moons.html StarDate Online | Solar System Guide | Saturn http://stardate.org/resources/ssguide/saturn.html StarDate Online | Solar System Guide | Explorations in 2009 http://stardate.org/resources/ssguide/explorations.html StarDate Online | Activities | The Milky Way http://stardate.org/teachers/activities/milkyway.html
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