Author Archives: Linda Chappell

Moon as Art Favorite Image

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The Lunar Reconnaissance Orbiter (LRO) has been in space for five years, and in those five years, it has continued to shape our view of the Moon. In honor of the fifth anniversary, the LRO project kicked off the Moon as Art Campaign. The public was asked to select a favorite orbiter image of the moon for the cover of a special image collection. After two weeks of voting, the public has selected Tycho Central Peak as its favorite moon image. The stunningly beautiful Tycho Central Peak rests inside an impact crater and has a boulder over 100 meters wide at its summit. It showcases a breathtaking view of the lunar landscape.

Video Simulations of Impact Cratering Processes

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The LPI-JSC Center for Lunar Science and Exploration has prepared a series of video simulations of impact cratering processes for classroom use. The videos explore how impactor size and velocity, as well as target gravity and temperature, affect the sizes and morphologies of impact craters.  The videos can be run in real time from the website or, if users prefer, downloaded to their own computers.

United States Topo Maps

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United States Topo quadrangles are digital topographic maps produced by the National Geospatial Program of the US Geological Survey (USGS). Created in the familiar 7.5-minute quadrangle format like the legacy paper maps, US Topo maps support frequent updating, wide and fast public distribution, and basic, on-screen geographic analysis. US Topo maps are available for free Web download from the USGS Store.

Khan Academy Math, Science and Partner Content

The Khan Academy, a not-for-profit organization providing free world-class education online for anyone anywhere, offers math and science content including physics, cosmology and astronomy. The Khan Academy has also partnered with NASA, the Exploratorium and the California Academy of Sciences among others to bring additional content to students, parents and teachers.