The week of April 13-19 takes us from Lunar Day 20 to 26. This week we will highlight the Apennine Mountain Range, viewable around 5:00 A.M. on Wednesday morning.

Apennine Mountain Range on the moonMontes Apenninus: The Apennine Mountain Range [NW/G9] is the most spectacular feature on the Moon and was formed as a direct result of the impact that created the Imbrium basin nearly four billion years ago. Mountain ranges on the Earth take millions of years to form. The magnificent ranges that surround Mare Imbrium were created in a matter of minutes! They resulted from the shock waves that exploded out from the original Imbrium impact. The Apennines stretch out over 370 miles and include more than 3,000 peaks. The highest peak in this range is Mons Huygens which stretches, from its base to its top, to an incredible 18,000 feet (providing the best skiing in the solar system!)

The Apennines stretch out over 370 miles and include more than 3,000 peaks. The highest peak in this range is Mons Huygens which stretches, from its base to its top, to an incredible 18,000 feetBack off and scan the whole area for telltale formations that seem to radiate from the center of Imbrium (don’t forget to check the back side of the Apennines). These radial features resulted from debris that was blown out from the original impact.

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It is highly recommended that you get a copy of Sky and Telescope’s Field Map of the Moon, the very finest Moon map available for use at the telescope. It is available for $10.95 at www.skyandtelescope.com and on Amazon. All features mentioned in this blog will be keyed to the grid on the Field Map and will look like this: Plato: [NW/D9]

Credits:
Courtesy of Gray Photography of Corpus Christi, Texas
Lunar photos: NASA / USGS / BMDO / LROC / ASU / DLR / LOLA / Moon Globe. Used by permission

Andrew Planck

Andrew Planck

Author and Astronomer Andrew Planck shepherds you to the moon and its mysteries of intrigue and surprise. Learn about the moon’s most fascinating objects, understand how the moon was formed and the names of many of the craters … and why they honor individuals who have changed the course of history.
Andrew Planck
The Most Spectacular Feature on the Moon: Apennine Mountain Range
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