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| =The Best Farside Full Moon= | | =The Best Farside Full Moon= |
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| <div class="post" id="post-505"> | | <div class="post" id="post-505"> |
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| <p>[[File:ZONDPICLpod.jpg|ZONDPICLpod.jpg]]<br /> | | <p>[[File:ZONDPICLpod.jpg|ZONDPICLpod.jpg]]<br /> |
| <em>image by Zond 8 and[http://www.donaldedavis.com/2003NEW/NEWSTUFF/DDMOON.html Don Davis]</em></p> | | <em>image by Zond 8 and[http://www.donaldedavis.com/2003NEW/NEWSTUFF/DDMOON.html Don Davis]</em></p> |
− | <p>In 1959, the Soviet Union sent the Luna 3 spacecraft to [http://www.lpod.org/archive/archive/2004/01/LPOD-2004-01-14.htm photograph] the farside of the Moon. Those grainy and very low resolution full Moon views tantalized us for a decade before Zond 8 radiod back to Earth a useful high Sun image of the farside. (Zond 3 provided the first semi-legible farside [http://astrosurf.com/nunes/explor/explor_zond3.htm images,] and Zond 6 provided some more, but Zond 8 was far better). This hemispheric view shows part of the visible hemisphere on the right (western edge of Oceanus Procellarum to Bailly), and the farside on the left. The main things that show up, as in all high Sun views, are albedo extremes. Left of center is Mare Orientale and the lava leakage of Lacus Veris, and thin curving lines of brightness mark the mountainous basin rings that define the concentric [http://www.lpod.org/archive/archive/2004/03/LPOD-2004-03-18.htm bull’s eye] pattern. The bright rayed craters Glushko and Byrgis A (respectively north and south of the black circle of Grimaldi) are near the limb as seen from Earth, and on the farside are two other prominent ones. To the upper left is a dark-haloed bright crater with conspicuous rays. This is the 64-km wide Ohm. Its dark halo, like Tycho’s, is due to impact melt glass, and its 90° zone of avoidance in rays (to the northeast) shows that it was an oblique impact. Between Ohm and Orientale is a small, nameless fresh crater right on the 100° meridian, with rays much brighter than expected. One other thing this image doesn’t show is broad areas of darkness - the farside largely lacks mare lavas even though it has many impact basins.</p> | + | <p>In 1959, the Soviet Union sent the Luna 3 spacecraft to [[January_14,_2004|photograph]] the farside of the Moon. Those grainy and very low resolution full Moon views tantalized us for a decade before Zond 8 radiod back to Earth a useful high Sun image of the farside. (Zond 3 provided the first semi-legible farside [http://astrosurf.com/nunes/explor/explor_zond3.htm images,] and Zond 6 provided some more, but Zond 8 was far better). This hemispheric view shows part of the visible hemisphere on the right (western edge of Oceanus Procellarum to Bailly), and the farside on the left. The main things that show up, as in all high Sun views, are albedo extremes. Left of center is Mare Orientale and the lava leakage of Lacus Veris, and thin curving lines of brightness mark the mountainous basin rings that define the concentric [[March_18,_2004|bull’s eye]] pattern. The bright rayed craters Glushko and Byrgis A (respectively north and south of the black circle of Grimaldi) are near the limb as seen from Earth, and on the farside are two other prominent ones. To the upper left is a dark-haloed bright crater with conspicuous rays. This is the 64-km wide Ohm. Its dark halo, like Tycho’s, is due to impact melt glass, and its 90° zone of avoidance in rays (to the northeast) shows that it was an oblique impact. Between Ohm and Orientale is a small, nameless fresh crater right on the 100° meridian, with rays much brighter than expected. One other thing this image doesn’t show is broad areas of darkness - the farside largely lacks mare lavas even though it has many impact basins.</p> |
| <p>[mailto:tychocrater@yahoo.com Chuck Wood]</p> | | <p>[mailto:tychocrater@yahoo.com Chuck Wood]</p> |
| <p><strong>Technical Details:</strong><br /> | | <p><strong>Technical Details:</strong><br /> |
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| <strong>Related Links:</strong><br /> | | <strong>Related Links:</strong><br /> |
| Rükl charts VII, VIII & p. 191.</p> | | Rükl charts VII, VIII & p. 191.</p> |
− | <p align="center"><em>You can support LPOD when you buy ANY book from Amazon thru </em><em>[http://www.lpod.org/?page_id=102 LPOD!]</em></p> | + | <p><b>Yesterday's LPOD:</b> [[August 20, 2006|Out the Porthole]] </p> |
| + | <p><b>Tomorrow's LPOD:</b> [[August 22, 2006|Postcard from the Edge]] </p> |
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| </div> | | </div> |
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