OCR Text |
Show Vegetation on the Moon. Whether or not there really Is vegetation on tho moon's surface Is a mattor of somo dispute. Prof. Pickering Pick-ering belloves that there Is, basing his belief upon observations of what he has callod "variable spots" portions por-tions which exhibit a rapid darkening, beginning shortly after sunrise, followed fol-lowed by an equally rapid fading toward sunset, accompanied by a diminution In sUo as they darken. From tho peculiar chnracter of the variation observed. Prof. Pickorlng concludes that organic llfo resembling vogctatlon la tho only slmplo explanation explana-tion of the changes which ho has observed. ob-served. Considering tho long lunar day as a mlnaturo terrestrial year tho theory of such llfo .bocomos colorable. color-able. Tho vegetation, If there bo any, shoots up, flourishes and dies in a lunar day Just as It grows and withers on tho earth In a terrestrial year. |