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Wou Astronomy Lecture And Star Party

MONMOUTH _ World-renowned astronomer John Dobson will host a two-hour question-and-answer session followed by a star party at Western Oregon University on Friday July 28.

MONMOUTH _ World-renowned astronomer John Dobson will host a two-hour question-and-answer session followed by a star party at Western Oregon University on Friday July 28.

The event is free to the public and begins at 7 p.m. in room 103 of the Natural Science Building, at the corner of Jackson Street and Monmouth Street on the WOU campus.

Among the topics he expects to discuss are the accumulation of negative entropy in the universe and a possible explanation for the Pioneer Anomaly.

Recently it was discovered that the Pioneer spacecraft, now hurling into deep space beyond our solar system, was unexpectedly slowing down, and NASA scientists and other astronomers did not understand why or how.

Dobson feels the explanation might have to do with a slight increase in gravitational mass as the Pioneer leaves the proximity of the sun.

Following the talk, there will be telescope viewing in the adjacent parking lot, displaying some of the telescopes that were made during Dobson's telescope-making workshops in Monmouth this earlier month.

Dobson, who will be 91 this year, is famous world-wide for his design of the Dobsonian telescope, which incorporates a Newtonian reflector on a cannon-type mount. Constructed from plywood and cardboard concrete tubes, they are precise enough to see the height of the mountains on the moon.

Dobson was considered by Smithsonian to be one of 35 people the magazine selected who have made significant contributions in their lifetimes.

For more information: Garth Eliassen at 503-838-5697.

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