NASA scientist (retired)
Retired NASA senior scientist for orbital research; personal website
PROFILE
Donald Kessler
Guest
FROM Donald Kessler
To the Point
Falling NASA Satellite Will Not Crash in North America NASA's Upper Atmosphere Research Satellite is heading into the lower atmosphere, where most is expected to burn up on re-entry. But some 300-pound pieces satellite are expected to rain down tomorrow someplace on Earth. NASA says it won't know exactly where until about two hours before they land.
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What are charter schools? LAUSD teachers were picket lines for a second day Tuesday. And this morning the teachers union organized a march to the California Charter Schools Association office downtown, to draw attention to their criticisms of local charter schools. But what are charter schools anyway?