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	1991 Releases 1/4/91 JPL Demolishes 30 Years Old Storm Drain System 1/14/91 High Technology Small Business Development Procurement Conference 1991 1/24/91 Second Ballistic Electron Emission Microscopy Workshop Held 1/17/91 JPL Holds Third Annual Technical Interchange Workshop 1/22/91 Former JPL'er Awarded First-Place 1990 Blue Pencil-gold Screen Award 1/24/91 Magellan Maps 55% Of Venus Surface 2/12/91 Magellan Shortens Mapping Swath 3/11/91 Instruments Chosen For EOS Satellites 2/21/91 Theories About Aphrodite Terra Tested 2/28/91 Actions To Protect Magellan Spacecraft Successful 3/1/91 Magellan Resume Full Radar Mapping Of Venus 3/6/91 Magellan Mapping Resumes After On-Board Computer Problem 3/6/91 Public Invited To Propose Names For Venus Craters And Volcanic Vents 3/11/91 Yeater Appointed Assistant Lab. Director For Technology And Applications Program 3/15/91 Magellan And Galileo Mission Teams Receives 1991 National Space Club's Nelson P. Jackson Aerospace Award 3/14/91 Galileo Execute Trajectory Correction Maneuver 3/29/91 Venus Vent Heat Through Giant Hot Spots 3/28/91 Galileo Unexpectedly In Safing Mode 4/1/91 Sixth Annual Space Settlement Design Competition 3/29/91 Firefly Airborne System Begins Field Tests 4/4/91 Magellan Achieves Primary Phase Of Venus Mission 4/11/91 Magellan Team Members Publishes Description Of Venus 4/10/91 Galileo Unfurl Its 16 Foot Antenna 4/12/91 Flight Controllers Analyze Unfurling Antenna Problem 4/22/91 Loral Infrared & Imaging Systems Awarded Airs Contract 4/19/91 Galileo Antenna Deployment Problem Under Analysis 4/18/91 JPL Director Awarded 1991 Arcs Foundation Science Man Of The Year 4/26/91 Magellan Scientists Studies Venus Surface Features 5/2/91 JPL Researcher Selected To Fly On Space Shuttle Columbia 5/11/91 Venus Mapping Lost 5/17/91 Magellan Completes Orbit Trim Maneuver 5/29/91 Magellan Radar Mapping Results 5/28/91 Ulysses Mission Teams Prepares Interplanetary Physics Investigations 5/28/91 Ulysses Mission Teams Prepares Interplanetary Physics Investigations II 6/7/91 Near-Earth Metal Asteroid Discovered 6/28/91 Lava Flows Similar To Earths Discovered On Venus 6/27/91 Most Luminous Object In The Universe Discovered 7/1/91 Galileo Set Course For Asteroid Gaspra 7/8/91 Ulysses Sets Final Course To Jupiter 7/26/91 Magellan Venus Mapping Update 4/16/91 Investigations Intensifies As Ulysses Passes Behind The Sun 8/20/91 Galileo Cooling Turn Failed 8/30/91 Longest Channel In The Solar System Discovered 8/30/91 Longest Channel In The Solar System Discovered II 9/12/91 Uars Carries ACRIM-II Experiment 9/13/91 JPL Employee Honored For Reducing Lost-Time Injuries 9/16/91 President Bush Presents Dr. Stone The 1991 National Medal Of Science 9/24/91 JPL Mini-Rover Test Successful 10/23/91 Strike-Slip Faults Found On Mars And Jupiter's Satellites 9/23/91 JPL Holds Ceremony To Commemorate New Stamp Depicting Planetary Exploration 9/27/91 Venus A Volatile Planet 9/27/91 Scientist Believe Venus Has Lightning Storms 9/30/91 Radar Astronomy Used To Research Titan 10/8/91 Galileo Perform Trajectory Maneuver For Asteroid Flyby 10/1/91 JPL/Caltech Arts And Craft Fair 1991 10/15/91 Studies On Groundwater Contamination At JPL 10/23/91 Voyagers Continues To Returns Data From The Edges Of The Milky Way 10/29/91 Magellan Venus Data To Be Released 10/29/91 Magellan Venus Data To Be Released II 11/7/91 Magellan Transmitter Probes Deeper Into Venus 11/14/91 Galileo First Close-Up Image Of Gaspra Released 11/14/91 Galileo Flyby Of Gaspra Yields New Information 12/4/91 Soccerball-Shaped Carbon Molecule Perfect Fuel For Ion Engines 12/3/91 Unknown Object Will Flyby Earth 12/13/91 JPL Develops New Radar System For Topographic Mapping 12/10/91 Radical Climate Changes May Be Cause Of The Plague   + 2003   + 2002   + 2001   + 2000   + 1999   + 1998   + 1997   + 1996   + 1995   + 1994   + 1993   + 1992   + 1991   + 1990   + 1987 - 1989   + 1984 - 1986   + 1980 - 1983   + 1970s   + 1960s
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