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发帖数: 298 | 1 By William Sheehan
June 28, 2002 | Percival Lowell's name is synonymous with canals on Mars and
the discovery of Pluto. But as reported in the July issue of Sky & Telescope,
about a century ago Lowell also made some infamous observations of Venus.
Throughout his career, Lowell insisted on the existence a central dark spot
and a spindly spoke pattern on the cloud enshrouded planet. Lowell called the
dark blemish the "subsolar spot," believing it to be fixed in position as
required by the synchron |
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