Talk:Solar eclipses on Jupiter: Difference between revisions
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The old version of the last paragraph confused solar eclipses (shadow transits) with satellite eclipses. It read |
The old version of the last paragraph confused solar eclipses (shadow transits) with satellite eclipses. It read |
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Revision as of 05:17, 5 February 2024
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The old version of the last paragraph confused solar eclipses (shadow transits) with satellite eclipses. It read
“Shadow transits have been observed since the time of Galileo, and predicted times for these events date to the mid Seventeenth Century. It was soon noticed that predicted times differed from observed times in a regular way, varying from up to ten minutes early to up to ten minutes late. The Danish astronomer Ole Roemer used these errors to make the first accurate determination of the speed of light, correctly realizing the variations were caused by the varying distance between Earth and Jupiter as the two planets moved in their orbits around the Sun.”
The Wiki reference to Ole Roemer clearly indicates that the events were satellite eclipses and not solar eclipses (shadow transits). Indeed, the shadow transits could not have been timed with sufficient accuracy to measure the speed of light.WikiRendu (talk) 18:18, 9 June 2008 (UTC)
Eclipses between moons of Jupiter
I hadn't heard about this possibility, some pictures here[1], apparently occur every 6 years when the earth passes through the equatorial plane of Jupiter. Tom Ruen (talk) 21:58, 13 January 2015 (UTC)