Word: marsden
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Over the year, Marsden said, he was able to further refine his calculations until he was able to narrow down the span of the event to within a few minutes...
...seven departments at the Center for Astrophysics, Marsden said, planetary sciences is the smallest...
...Marsden pointed out that Harvard was the site of the first prediction of the collision, on May 22 of last year...
After researchers in the Southwest first sighted the comet in March 1993, it was observed at Harvard's Mass. The sighting was the first after the initial confirmation, Marsden said...
...predicted the collision in the first placed...in May 1993," Marsden said. "I originally predicted the collision would be on July 25, so I was off by a few days...