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Ask the Astronomer

Q. With the meteor shower going on, how do they know how many meteors are going to be seen?

A. Normally the number of meteors seen depends on the richness of the meteoroid stream in space, the date, sky conditions, light pollution and a person’s eyesight. Unfortunately, this year the Perseid shower is mostly washed out by the large, gibbous moon, which doesn’t set until 1:35 a.m. on the peak morning of Aug. 12. Perhaps 10 to 20 shooting stars per hour may be seen in moonlight this year from Aug. 11-13 from dark sky locations. Without moonlight, a dark sky may reveal upward of 40 to 50 meteors per hour, but only for those looking long after midnight when the moon has set, and then far away from city lights.Flandrau Science Center Web site: http://www.gotuasciencecenter.org/

Citizen Online Archive, 2006-2009

This archive contains all the stories that appeared on the Tucson Citizen's website from mid-2006 to June 1, 2009.

In 2010, a power surge fried a server that contained all of videos linked to dozens of stories in this archive. Also, a server that contained all of the databases for dozens of stories was accidentally erased, so all of those links are broken as well. However, all of the text and photos that accompanied some stories have been preserved.

For all of the stories that were archived by the Tucson Citizen newspaper's library in a digital archive between 1993 and 2009, go to Morgue Part 2

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