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	Search Results for Gravity Search Type: Keywords | Results: Radio Programs | Images | FAQs | Other Resources | Search Again Definition Gravity: The most feeble of the four fundamental forces in the universe that affect all matter. The magnitude of gravitational attraction depends directly on mass and inversely on distance squared. More » Stargazing Tip No stargazing tips found. Check the Sky Almanac for more information. Radio Programs Displaying 1 to 5 (of 43 total) results | More results »  Title  Air Date Shooting the Moon July 17, 2009 Speed of Gravity July Bonus, 2008 Hidden Gravity September 12, 2007 New Horizons at Jupiter February 27, 2007 Testing Einstein December 15, 2006 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 7 total) results | More results »  Image Shooting the Moon Tides Glittering Galaxies Lensing the Cosmos Galactic Web Frequently Asked Questions Displaying 1 to 5 (of 8 total) results | More results »  Question How do astronomers find planets outside our solar system? What do scientists mean when they say space is curved? Are there shortcuts through space? What is the universe made of? Why is the distance between Earth and Moon increasing? Other Resources StarDate Online | Solar System Guide | Saturn http://stardate.org/resources/ssguide/saturn.html StarDate Online | Solar System Guide | Asteroids http://stardate.org/resources/ssguide/asteroids.html StarDate Online | Solar System Guide | Jupiter http://stardate.org/resources/ssguide/jupiter.html StarDate Online | Solar System Guide | Explorations in 2000 http://stardate.org/resources/ssguide/explorations2000.html StarDate Online | News | Extrasolar Planets http://stardate.org/resources/news/planets/index.html StarDate Online | Solar System Guide | Uranus http://stardate.org/resources/ssguide/uranus.html StarDate Online | Solar System Guide | Mercury http://stardate.org/resources/ssguide/mercury.html StarDate Online | Solar System Guide | Explorations in 2004 http://stardate.org/resources/ssguide/explorations2004.html StarDate Online | Solar System Guide | Neptune http://stardate.org/resources/ssguide/neptune.html StarDate Online | Solar System Guide | Planet Formation http://stardate.org/resources/ssguide/planet_form.html StarDate Online | Solar System Guide | Explorations in 2007 http://stardate.org/resources/ssguide/explorations2007.html StarDate Online | News | Extrasolar Planet Update http://stardate.org/resources/news/planets/200510.html StarDate Online | Solar System Guide | Explorations in 2003 http://stardate.org/resources/ssguide/explorations2003.html StarDate Online | Solar System Guide | Inner Planets: Exploring Our Own Back Yard http://stardate.org/resources/ssguide/inner_planets_more.html 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 | Europa http://stardate.org/resources/ssguide/europa.html StarDate Online | Solar System Table http://stardate.org/resources/ssguide/table.html StarDate Online | Solar System Guide | Earth and Moon http://stardate.org/resources/ssguide/earth_and_moon.html StarDate Online | Solar System Guide | Mars http://stardate.org/resources/ssguide/mars.html StarDate Online | Solar System Guide | Venus http://stardate.org/resources/ssguide/venus.html
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