To the moon and back in ninety days : a thrilling narrative of blended science and adventure (1922)
Brown, John Young, 1858-1921, Lunar Publishing Company. pbl · Providence, Kentucky : Lunar Publishing Company · leaf 31
■ j^^^^^M ^^^^■■p; - -tJHHHBHHH |HH ^ * > ^;4<i^^ > ^-^^^H ^^^^^^^^^^^^B^ ^GrJ^^^^^^^^^^^II^Hl ^^^^^^^^^^^^^^^H ^^^^^^^K ^^^^^^^HH^^^^^H ^HppiHPHH^^^^^H ^^^j?l^^L^5 K € WW ^^HfeHB?9f!<^^?^^^^H ^^^l^^l ^^^^^^^m-- vif^^^^^H ^^^^^^^^^^^^^^^^^^^^^H ^^^^^^^^^^^^^^^H H|^^^^^H ^^^^^^1… … FIG. 2. HALLEY^S COMET, MAY 29, 1910. The plate was exposed for two hours. The observer kept thetelescope constantly pointed on the comet, following its courseamong- the stars, which caused the elongation of the star images.The tail of the comet, as shown on this plate, was about sevenmillion miles…
Astronomy
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