Pierre_Janssen

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0.15
    Radix

    Pierre Jules César Janssen (22 February 1824 – 23 December 1907), usually known as Jules Janssen, was a French astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, and with some justification the element helium.

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    adb_sbdate_dmy
    22 February 1824
    adb_sbtime
    04:00
    adb_sroddenrating
    AA
    adb_BirthCountry
    France
    adb_place
    Paris
    adb_sctr
    FR
    adb_csex
    m
    adb_sdatasource
    Quoted BC/BR
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    Undetermined
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    Undetermined
    adb_ccalendar
    g
    adb_pageid
    6491
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