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Eta Aquarid Meteor Shower

This shower is one of two caused by Periodic Comet Halley, the second being the Orionid shower in October. Meteors from the Eta Aquarid shower may be visible from April 18 through May 28 with the peak on the evening of May 4 and morning of May 5. The meteor hourly rate fluctuates over the period of the shower, but may reach 20 or more at its peak. The meteors will appear to originate from a point in the constellation of Aquarius, the Water Bearer, near the 4th-magnitude star Eta Aquarii (RA 22 hrs 20 min, Dec -01°). Aquarius is in the east-southeastern sky this month. The particles which are the meteors come into our atmosphere at a speed of 40 miles per second. This speed creates the bright fireballs and long paths for which the Eta Aquarids are well known.


James M. Thomas, last updated October 13, 1999.

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