Apr 1 1993

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NASA announced that findings by scientists at NASA's Ames Research Center, Moffett Field, California, challenge the theories of how galaxies evolve. The U.S. team included a scientist from the Max Planck Institute, Heidelberg, Germany.

Scientists observed huge amounts of microscopic diamonds in star-forming clouds in the Milky Way Galaxy. They also observed softer hydrocarbons in the thin space between clouds. The observations of these two independent and very different types of interstellar hydrocarbon dust suggest that the materials are not mixing as generally assumed. Lou Allamandola, head of the science observation team, said that the "team's observations support the theory that meteoritic diamonds form in many regions of space, either in carbon star atmospheres or as the result of carbon grains colliding at high speeds in inter-stellar space." (NASA Release 93-58; Thne, Apr 12/93; UPI, Apr 12/93; AP, Apr 4/12)

NASA named representatives from government and industry and academic experts from across the country to take part in an independent review of NASA's Space Shuttle redesign options. A total of 16 individuals were invited to serve on the committee. Charles M. Vest had previously been named by Vice President Albert Gore to head the Advisory Committee on the Redesign of the Space Station. The Advisory Committee was to submit its recommendations in June. (NASA Release 93-59)

NASA announced that April marked the 10th anniversary of NASA's Tracking and Data Relay Satellite System (TDRSS), a space-based network developed to meet telecommunications needs of Space Shuttle, Space Station, and other low Earth-orbiting spacecraft missions. The TDRSS is equipped to support up to 24 user spacecraft, including the Space Shuttle, simultaneously. (NASA Release 93-60)

NASA spokeswoman June Malone said a broken pin was responsible for a leaky engine valve removed from Space Shuttle Discovery, scheduled to lift off on an atmospheric research mission next week. The alignment pin broke while technicians were removing plumbing from around the valve for leak tests ordered after the March 22 main engine shutdown of Columbia. (AP, Apr 1/93)

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