Template:Featured article - Revision history

Strangelv: 14 revisions imported

2019-04-08T23:03:46Z

14 revisions imported

lunarp>Strangelv: JSC-1

2011-09-20T14:06:40Z

JSC-1

lunarp>Strangelv: sp

2010-05-11T17:32:56Z

lunarp>Strangelv: Moon Zoo

2010-05-11T17:16:09Z

Moon Zoo

lunarp>Jarogers2001: /* Featured article: Volatiles */

2008-11-02T05:23:01Z

Featured article: Volatiles

lunarp>Jarogers2001: /* Featured article: Volatiles */

2008-08-05T11:58:42Z

Featured article: Volatiles

lunarp>Jarogers2001: /* Featured article: Volatiles */

2008-08-05T11:58:03Z

Featured article: Volatiles

lunarp>Jarogers2001: /* Featured article: Volatiles */

2008-08-05T11:56:59Z

Featured article: Volatiles

lunarp>Jarogers2001 at 11:56, 5 August 2008

2008-08-05T11:56:17Z

lunarp>Jarogers2001: /* Featured article: Sintered regolith */

2008-08-05T11:49:28Z

Featured article: Sintered regolith

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-===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[Moon Zoo]]===
+===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[JSC-1]]===
-[[Image:Moon Zoo Logo.gif|160px|left]] Moon Zoo is a crowdsourcing project from the Zooniverse community that uses images from the Lunar Reconnaissance Orbiter.
+[[Image:EIC050-2.GIF|160px|left]] JSC-1, a lunar soil simulant, was developed and characterized under the auspices of the NASA Johnson Space Center. This simulant was produced in large quantities to satisfy the requirements of a variety of scientific and engineering investigations. JSC-1 is derived from volcanic ash of basaltic composition, which has been ground, sized, and placed into storage. The simulant's chemical composition, mineralogy, particle size distribution, specific gravity, angle of internal friction, and cohesion have been characterized and fall within the ranges of lunar mare soil samples. ...([[JSC-1|read more]])
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 ===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[Moon Zoo]]===
-[[Image:Moon Zoo Logo.gif|160px|left]] Moon Zoo is a crowdsourcing project from the Zooniverse community that uses images from the Lunar Reconnasaince Orbiter.
+[[Image:Moon Zoo Logo.gif|160px|left]] Moon Zoo is a crowdsourcing project from the Zooniverse community that uses images from the Lunar Reconnaissance Orbiter.
 Activities include counting craters, noting blocky craters, and checking relative differences between boulder-producing craters, and...([[Moon Zoo|read more]])

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-===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[Geologic Processes on the Moon/Cratering on the Moon|Cratering on the Moon]]===
+===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[Moon Zoo]]===
-[[Image:GP1Fig_3.jpg|160px|left]] Craters cover the surface of the moon and are the result of hyper-velocity impacts by meteorites. The velocity of meteorites upon impact varies, but is generally between 10 and 40 km/sec. This number is a combination of the ‘approach velocity’ and the ‘escape velocity.’ The approach velocity of objects refers to the velocity of the object with respect to the moon. This varies with the type of object (for example, long period comets generally have a higher approach velocity than short period comets) and the direction with which it approaches the moon (for example, if it approaching the moon ‘head on,’ it will have a higher approach velocity than...([[Geologic Processes on the Moon/Cratering on the Moon|read more]])
+[[Image:Moon Zoo Logo.gif|160px|left]] Moon Zoo is a crowdsourcing project from the Zooniverse community that uses images from the Lunar Reconnasaince Orbiter.
 <DIV style="text-align:right">
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-===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[Volatiles]]===
+===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[Geologic Processes on the Moon/Cratering on the Moon|Cratering on the Moon]]===
-[[Image:Apollo11Soil.jpg|160px|left]] The primary resource of value to humans on the Moon is the volatile components found in the [[regolith]]. These are all the components that are gases at room temperature. Most of the volatiles have been deposited in the top layers of the Moon's surface by the [[solar wind]] over geologic time. A notable exception to this is [[Argon]]. the concentration of Argon in lunar soil is much higher than found in the solar wind, so must come from a different source. Especially, the isotope Argon-40. It is presently believed that the Argon-40 comes from radioactive decay of [[Potassium]] and/or [[Krypton]] deep within the lunar mantle or core([[Volatiles|read more]])
+[[Image:GP1Fig_3.jpg|160px|left]] Craters cover the surface of the moon and are the result of hyper-velocity impacts by meteorites. The velocity of meteorites upon impact varies, but is generally between 10 and 40 km/sec. This number is a combination of the ‘approach velocity’ and the ‘escape velocity.’ The approach velocity of objects refers to the velocity of the object with respect to the moon. This varies with the type of object (for example, long period comets generally have a higher approach velocity than short period comets) and the direction with which it approaches the moon (for example, if it approaching the moon ‘head on,’ it will have a higher approach velocity than...([[Geologic Processes on the Moon/Cratering on the Moon|read more]])
 <DIV style="text-align:right">
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 ===<!--[[Image:red_ring.png|15px|left]]-->Featured article: [[Volatiles]]===
-[[Image:Apollo11Soil.jpg|160px|left]] The primary resource of value to humans on the Moon is the volatile components found in the [[regolith]]. These are all the components that are gases at room temperature. Most of the volatiles have been deposited in the top layers of the Moon's surface by the [[solar wind]] over geologic time. A notable exception to this is [[Argon]]. the concentration of Argon in lunar soil is much higher than found in the solar wind, so must come from a different source. Especially, the isotope Argon-40. It is presently believed that the Argon-40 comes from radioactive decay of [[Potassium]] and/or [[Krypton]] deep within the lunar mantle or core, and that the Argon-40 seeps out to the surface via fissures. This vented([[Volatiles|read more]])
+[[Image:Apollo11Soil.jpg|160px|left]] The primary resource of value to humans on the Moon is the volatile components found in the [[regolith]]. These are all the components that are gases at room temperature. Most of the volatiles have been deposited in the top layers of the Moon's surface by the [[solar wind]] over geologic time. A notable exception to this is [[Argon]]. the concentration of Argon in lunar soil is much higher than found in the solar wind, so must come from a different source. Especially, the isotope Argon-40. It is presently believed that the Argon-40 comes from radioactive decay of [[Potassium]] and/or [[Krypton]] deep within the lunar mantle or core([[Volatiles|read more]])
 <DIV style="text-align:right">
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 [[Image:MLS1_Brick.GIF|160px|left]] Sintered [[regolith]] falls into the category of ceramic materials as sintering is the process most common to ceramics.  When bricks are made from clay on Earth, first the bricks are heated long enough and hot enough to drive out the water.  Then the heating is increased to cause partial melting or vitrification which results in the edges of adjacent grains being bonded together once they have cooled.  The unmelted particles provide a stable shape and size during the process which involves some shrinkage and a decrease in porosity.
-Experiments in radiant heating of regolith simulant have been carried out by NASA Johnson Space Center and Lockheed Engineering & Sciences Co.([[Sintered regolith|read more]])
+Experiments in radiant heating of regolith simulant have been carried([[Sintered regolith|read more]])
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