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	SIGN UP + JPL email news + RSS feed + Podcasts QUICK SEARCH     Current missions Active Cavity Irradiance Monitor Satellite Aster Atmospheric Infrared Sounder Cassini Cloudsat Dawn Deep Impact Galaxy Evolution Explorer Gravity Recovery and Climate Experiment Jason 1 Keck Interferometer Mars Exploration Rover Mission Mars Odyssey Mars Reconnaissance Orbiter Microwave Instrument for the Rosetta Orbiter Microwave Limb Sounder Multi-angle Imaging SpectroRadiometer Ocean Surface Topography Mission/Jason 2 Palomar Observatory Phoenix Mars Lander Quick Scatterometer Spitzer Space Telescope Stardust Tropospheric Emission Spectrometer Ulysses solar polar mission Voyager Useful links Basics of Space Flight College Grads at JPL Deep Space Network Employment Opportunities Global Climate Change History of JPL JPL Robotics JPL Science JPL Space Gallery JPL Student Programs Mars Exploration Near-Earth Objects Planet Quest Rover news and images Solar System Simulator Solar System Exploration Systems and Software Virtual Field Trip Wallpaper News & Features Quake Demonstrates Ongoing Forecasting Experiment This week's magnitude 5.4 earthquake in Southern California marks another demonstration of an ongoing experiment by a NASA/Department of Energy-funded research team to forecast the location of large earthquakes in California. + Read more (July 30) Close-Up Images of 'Snow Queen' Show Changes A distinctive hard-surface feature called "Snow Queen" beneath NASA's Phoenix Mars Lander visibly changed sometime between mid-June and mid-July, close-up images from the Robotic Arm Camera show. + Read more (July 29) NASA's Phoenix Mars Lander Working With Sticky Soil Scientists and engineers on NASA's Phoenix Mars Mission spent the weekend examining how the icy soil on Mars interacts with the scoop on the lander's robotic arm, while trying different techniques to deliver a sample to one of the instruments. + Read more (July 28)   MORE JPL NEWS SITE TOOLS SITE FEATURES   + News releases + Features + Accessibility + Multimedia players + Language Assistance Program (PDF) + NASA Water Cleanup    Phoenix Toolkit     › Next NASA TV news briefing:   Thurs., July 31, 11 a.m. PDT › Latest images › Raw images › JPL Phoenix site  JPL Blog       An Infrared Look Ahead Astronomers need maps of the sky to know where to look for rare and unusual objects. + Go to blog  New Multimedia     Testing of Icy-Soil Sample Delivery in Simulated Martian Conditions This movie clip shows testing under simulated Mars conditions on Earth in preparation for NASA's Phoenix Mars Lander using its robotic arm for delivering a sample to the doors of a laboratory oven. + Play movie     Earthquake Studies NASA uses space-based technologies, ground-based techniques and complex computer models to learn more about quakes in California. + Go to interactive       Upcoming Events (Pacific time)       July 31 -- Cassini flyby of Titan + Cassini home page Aug. 7, 7:30 p.m. -- JPL Director Charles Elachi addresses the Los Angeles World Affairs Council + Topic: The Order of the Phoenix Visits Mars (Registration deadline: Aug. 5)              + Freedom of Information Act Site Manager: Susan Watanabe Webmasters: Tony Greicius, Martin Perez