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April 23, 2003
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SHUTTLE NEWS
Sailing With Columbus Was Never Safe
 Sacramento - Apr 23, 2003

NASA Administrator Sean O'Keefe
The ability to resume building and operating the Space Station is absolutely crucial to the future of NASA writes Bruce Moomaw. For NASA Administrator Sean O'Keefe this means the Agency must return the Shuttle to flight operations as quickly and safely as possible. And by following a baseline that involves making only minor risk-reduction measures it's possible that shuttle flights could resume by early next year.
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MARSDAILY
The Radar Search For Martian Water
 Dublin - Apr 22, 2003
 Until recently Mars was regarded as a cold, arid world that had lost most of its water long ago. However, recent observations by NASA's Mars Global Surveyor and Mars Odyssey spacecraft have provided tantalising evidence that huge amounts of water may be hidden just below the surface.
TECH SPACE
GALEX Spacecraft To Be Launched Aboard Pegasus XL April 28
 Cape Canaveral - Apr 22, 2003
 The Galaxy Evolution Explorer is slated for launch April 28 at 8am EDT aboard a Pegasus air-drop vehicle. The launch provider Orbital Sciences says a launch window opens at 7:50am and closes at 9:50am.
SOLAR SCIENCE
Sun's Role In Climate Change Continues To Spark Controversy
 Washington - Apr 22, 2003
 Has an increasing trend in the Sun's brightness contributed to global warming over the last few decades? One study published recently says it has but Judith Lean told a joint session of the UK/Ireland National Astronomy Meeting and Solar Physics Meeting in Dublin that a different study has come to the opposite conclusion when she tackled the controversial topic of the relationship between our climate and the Sun on Tuesday 8 April.
NUCLEAR SPACE
Evaluating The Threat From Earth's Radiation Belts
 Dublin - Apr 22, 2003
 Near-Earth space can be a very dangerous place for both astronauts and satellites. One of the most hazardous environments is the van Allen belts, a doughnut-shaped region, filled with trapped energetic particles, which surrounds the Earth.
IRON AND ICE
A UK Flotilla To Study Earth-Grazing Asteroids
 London - Apr 22, 2003
 On 30 June 1908, the seemingly endless forests of Siberia received an unwelcome and unexpected visit by an intruder from deep space. As it plunged headlong through the Earth's atmosphere, the incoming asteroid exploded a few miles above the tree tops, flattening the forest over an area about 50 km (30 miles) in diameter. If the 60 metre (200 ft) wide chunk of rock had arrived a few hours later, it could have destroyed a city the size of London or Paris.
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OPINION SPACE
Beyond Columbia
 Sacramento - Apr 22, 2003
 It's very hard to foresee just how far and how sweeping the recommendations for change ultimately produced by the Columbia Accident Investigation Board will go, writes Bruce Moomaw.
  • Adieu Concorde
  • Proliferation And The Nuclear Space Age
  • Beyond Buck and Wernher
    • TERRADAILY
    Archaeoastronomy Links Stone-Age Tomb Builders With Sun
     Dublin - Apr 22, 2003
     Scientific research at the prehistoric Passage Tomb Cemetery at Loughcrew, one of Ireland's premier archaeological sites, is revealing new data on the astronomical orientations of the passage tombs and relationships in the way they are laid out.
    EARLY EARTH
    Life And Death From Space
     Cardiff - Apr 22, 2003
     Ever since its formation at the birth of the Solar System, some 4570 million years ago, planet Earth has resembled a giant bulls-eye in space, a target for asteroids and comets of all shapes and sizes.
    UAV NEWS
    Operational Concept For Unmanned Combat Air Vehicle Unveiled
     El Segundo - Apr 17, 2003
     Northrop Grumman has unveiled its operational system concept for a naval unmanned combat air vehicle designed to fly surveillance, strike and suppression-of-enemy-air-defense missions from an aircraft carrier.
    YESTERDAYS SPACE
  • Program Manager For NASA's Space Shuttle Program To Step Down
  • Columbia Inquiry Issues First Recommendations To NASA
  • More Than One-Third Of Columbia Space Shuttle Recovered
  • First Crew To ISS Since Shuttle Disaster In Final Training
  • US Astronaut Pays Tribute To Lost Columbia Crew Ahead Of Liftoff
  • Launch Of NASA's Infrared Telescope Postponed To Mid-August
  • Mission To Mars Delayed To Fix Robots
  • French President Urges Reshaping Of European Space Sector
  • Chinese EO Sats Eye Fighting In Iraq
  • Operational Concept For Unmanned Combat Air Vehicle Unveiled
  • Europe Goes To Mars
  • Adieu Concorde
  • NASA Improves Computers With Tiny Carbon Tubes On Silicon Chips
  • Koreans Must Unite Against US Moves Towards War: North Korea
  • Ban On Weapons Of Mass Destruction Essential For Mideast Peace
  • US Sending 1,000-Man Team To Iraq To Hunt For WMDs Report
  • US, Poland Tie The Knot With Multi-Billion-Dollar Deals
  • India Launches Its First Indigenous Stealth Warship

  • See April 21 Edition For More News
    • EARTH.WIRE
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