This shower of Perseids is notable for its long duration in the months of July and August and for its moving radiant.
The Perseids are visible from about the fil th of July to the 10th of August, the radiant having a daily motion of about 1° R.A.
The Perseids are visible from about the fil th of July to the 10th of August, the radiant having a daily motion of about 1Ã‚° R.A.
Thus the August Perseids, the returns of which have been witnessed more frequently than those of any other meteoric stream have had their radiant point fixed on more than 250 occasions.
When Mycenae was built under the Perseids it was still the chief sanctuary for that centre, which superseded Tiryns in its dominance over the district, and which this temple clearly antedated in construction.