On 2/23/12 4:19 AM, oriel36 (who is astronomically illiterate) wrote: > Any star crosses a person's meridian 1461 times in 1461 days and the > Egyptians used the orbital emergence of Sirius from behind the Sun as > a gauge for the balance between days and years,or in modern > terms,rotations and orbital circuits
Bzzzt! Wrong again, Gerald. Any visible star crosses one's local meridian at least once *every* sidereal day. Fifth graders can show you how to measure that,
Circumpolar stars cross one's local meridian twice each sidereal day.