. Guide leaflet. SECTION OF A COMETS PATH Passage of the comet 1843 about the sun. This comet covered the perihehon portion of its orbit, twelve million kilometers, in ten hours The tail pointed away from the sun Photograph by E. E. Barnard, Lick Observntorii, Calif. this assemblage of comets into four groupsand name them after the four major plan-ets, Jupiter, Saturn, Uranus, and family, the largest, has vsome fiftymembers including Enckes comet, withperiods to years; Saturns familyhas four members with periods 13T to ; Uranus has two with an averageperiod of
. Guide leaflet. SECTION OF A COMETS PATH Passage of the comet 1843 about the sun. This comet covered the perihehon portion of its orbit, twelve million kilometers, in ten hours The tail pointed away from the sun Photograph by E. E. Barnard, Lick Observntorii, Calif. this assemblage of comets into four groupsand name them after the four major plan-ets, Jupiter, Saturn, Uranus, and family, the largest, has vsome fiftymembers including Enckes comet, withperiods to years; Saturns familyhas four members with periods 13T to ; Uranus has two with an averageperiod of years; Neptunes family hasnine members including Halleys cometwith a mean period of years The in-fluence of Jupiter on the first group hasbeen for the most part established, but theconnection of other planets with theirassigned members is not universallyrecognized. There are a number of instances onrecord which show that not only the orbits,but also the comets themselves, may beconsiderably affected by
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectnatural, bookyear1901
