Lunar outgassing - Revision history

Jarogers2001: Reverted edits by 89.19.172.22 (Talk); changed back to last version by Jarogers2001

2008-12-17T02:24:43Z

Reverted edits by 89.19.172.22 (Talk); changed back to last version by Jarogers2001

89.19.172.22: FIELD_OTHER

2008-12-17T01:47:43Z

FIELD_OTHER

Jarogers2001: fixed a couple of typos

2007-09-21T20:47:22Z

fixed a couple of typos

Cfrjlr: Transient lunar phenomena

2007-09-02T14:22:02Z

Transient lunar phenomena

Cfrjlr: Although the Moon is relatively inert geologically, the lunar atmosphere continues to replenished by lunar outgassing events.

2007-08-31T04:37:25Z

Although the Moon is relatively inert geologically, the lunar atmosphere continues to replenished by lunar outgassing events.

Cfrjlr: edit

2007-08-02T01:59:32Z

edit

Cfrjlr: categories

2007-08-01T13:00:28Z

Cfrjlr: edits

2007-08-01T03:54:59Z

edits

Cfrjlr: refs

2007-08-01T03:44:50Z

refs

Dcarson at 06:16, 7 May 2007

2007-05-07T06:16:42Z

← Older revision		Revision as of 02:24, 17 December 2008
Line 17:		Line 17:
	<references/>		<references/>

−	~~FIELD_MESSAGE_rovivaracol~~	+	==External Links==
		+	*[http://lunar.ksc.nasa.gov/science/geologys.html NASA Lunar Prospector Project - Lunar Geology]
		+	*[http://lunar.arc.nasa.gov/results/alres.htm NASA Lunar Prospector Project - Alpha Particle Spectrometer Results]
		+	*[http://www.astronautix.com/craft/lunector.htm Encyclopedia Astronautica - Lunar Prospector]
		+	*[http://www.lpi.usra.edu/meetings/lpsc2007/pdf/2294.pdf Lunar and Planetary Science XXXVIII (2007) - Probing Lunar Volatiles: Initial Ground-Based Results (PDF file)]
		+	*[http://en.wikipedia.org/wiki/Lunar_Prospector Wikipedia: Lunar Prospector]
		+	*[http://en.wikipedia.org/wiki/Transient_lunar_phenomenon#Outgassing Wikipedia: Transient lunar phenomenon - Outgassing]
		+	*[http://www.cheec.uiowa.edu/misc/radon_occ.pdf University of Iowa: Radon Occurrence and Health Risk (PDF file)]
		+	*[http://www.atral.com/U2381.html U238 Radioactive Decay]
		+	*[http://www.epa.gov/radiation/understand/chain.htm US Environmental Protection Agency - Uranium-238 Decay Chain]
		+
		+	[[Category:Mining]]
		+	[[Category:Chemistry]]
		+	[[Category:Settlement]]
		+	[[Category:Selenology]]

← Older revision		Revision as of 01:47, 17 December 2008
Line 17:		Line 17:
	<references/>		<references/>

−	~~==External Links==~~	+	FIELD_MESSAGE_rovivaracol
−	*[http://lunar.ksc.nasa.gov/science/geologys.html NASA Lunar Prospector Project - Lunar Geology]
−	*[http://lunar.arc.nasa.gov/results/alres.htm NASA Lunar Prospector Project - Alpha Particle Spectrometer Results]
−	*[http://www.astronautix.com/craft/lunector.htm Encyclopedia Astronautica - Lunar Prospector]
−	*[http://www.lpi.usra.edu/meetings/lpsc2007/pdf/2294.pdf Lunar and Planetary Science XXXVIII (2007) - Probing Lunar Volatiles: Initial Ground-Based Results (PDF file)]
−	*[http://en.wikipedia.org/wiki/Lunar_Prospector Wikipedia: Lunar Prospector]
−	*[http://en.wikipedia.org/wiki/Transient_lunar_phenomenon#Outgassing Wikipedia: Transient lunar phenomenon - Outgassing]
−	*[http://www.cheec.uiowa.edu/misc/radon_occ.pdf University of Iowa: Radon Occurrence and Health Risk (PDF file)]
−	*[http://www.atral.com/U2381.html U238 Radioactive Decay]
−	*[http://www.epa.gov/radiation/understand/chain.htm US Environmental Protection Agency - Uranium-238 Decay Chain]
−
−	~~[[Category:Mining]]~~
−	~~[[Category:Chemistry]]~~
−	~~[[Category:Settlement]]~~
−	~~[[Category:Selenology]]~~

@@ Line 9: / Line 9: @@
 [[ground penetrating radar|Ground Penetrating Radar]] studies have been made with wavelengths penetrating 10-20 meters via the [http://www.naic.edu/ Arecibo] and [http://www.gb.nrao.edu/ Green Bank] radio observatories, but deeper and higher resolution scans are likely needed to detect further sub-surface gas pockets.  Radar dark areas in the 70cm band, termed "halos", have been detected around many [[impact crater]]s. An especially large halo has been detected around [[Aristarchus crater]] and encompasses much of the [[Aristarchus plateau]].  Aristarchus is the major source of recent outgassing events detected via [[radon|Radon 222]] activity.  It has been suggested that the Aristarchus halo may be the result of subsurface ice deposits, but this has not been confirmed.  Aristarchus is known to be an active outgassing site<ref>[http://www.space.com/scienceastronomy/070730_gassy_moon.html Lunar Flash Mystery Solved: Moon Just Passing Gas] By David Powell posted: 30 July 2007</ref>.
-Many observers have reported witnessing so called "[[Transient lunar phenomena]]" including many amateur Astronomers.   The crew of Apollo 11 reported observing a TLP at the crate Aristarchus.
+Many observers have reported witnessing so called "[[Transient lunar phenomena]]" including many amateur Astronomers.   The crew of Apollo 11 reported observing a TLP at the crater Aristarchus.
-Although the Moon is relatively inert geologically, the [[lunar atmosphere]] continues to replenished by lunar outgassing events.
+Although the Moon is relatively inert geologically, the [[lunar atmosphere]] continues to be replenished by lunar outgassing events.
 ==References==

← Older revision		Revision as of 14:22, 2 September 2007
Line 8:		Line 8:

	[[ground penetrating radar\|Ground Penetrating Radar]] studies have been made with wavelengths penetrating 10-20 meters via the [http://www.naic.edu/ Arecibo] and [http://www.gb.nrao.edu/ Green Bank] radio observatories, but deeper and higher resolution scans are likely needed to detect further sub-surface gas pockets. Radar dark areas in the 70cm band, termed "halos", have been detected around many [[impact crater]]s. An especially large halo has been detected around [[Aristarchus crater]] and encompasses much of the [[Aristarchus plateau]]. Aristarchus is the major source of recent outgassing events detected via [[radon\|Radon 222]] activity. It has been suggested that the Aristarchus halo may be the result of subsurface ice deposits, but this has not been confirmed. Aristarchus is known to be an active outgassing site<ref>[http://www.space.com/scienceastronomy/070730_gassy_moon.html Lunar Flash Mystery Solved: Moon Just Passing Gas] By David Powell posted: 30 July 2007</ref>.		[[ground penetrating radar\|Ground Penetrating Radar]] studies have been made with wavelengths penetrating 10-20 meters via the [http://www.naic.edu/ Arecibo] and [http://www.gb.nrao.edu/ Green Bank] radio observatories, but deeper and higher resolution scans are likely needed to detect further sub-surface gas pockets. Radar dark areas in the 70cm band, termed "halos", have been detected around many [[impact crater]]s. An especially large halo has been detected around [[Aristarchus crater]] and encompasses much of the [[Aristarchus plateau]]. Aristarchus is the major source of recent outgassing events detected via [[radon\|Radon 222]] activity. It has been suggested that the Aristarchus halo may be the result of subsurface ice deposits, but this has not been confirmed. Aristarchus is known to be an active outgassing site<ref>[http://www.space.com/scienceastronomy/070730_gassy_moon.html Lunar Flash Mystery Solved: Moon Just Passing Gas] By David Powell posted: 30 July 2007</ref>.
		+
		+	Many observers have reported witnessing so called "[[Transient lunar phenomena]]" including many amateur Astronomers. The crew of Apollo 11 reported observing a TLP at the crate Aristarchus.

	Although the Moon is relatively inert geologically, the [[lunar atmosphere]] continues to replenished by lunar outgassing events.		Although the Moon is relatively inert geologically, the [[lunar atmosphere]] continues to replenished by lunar outgassing events.

← Older revision		Revision as of 04:37, 31 August 2007
Line 8:		Line 8:

	[[ground penetrating radar\|Ground Penetrating Radar]] studies have been made with wavelengths penetrating 10-20 meters via the [http://www.naic.edu/ Arecibo] and [http://www.gb.nrao.edu/ Green Bank] radio observatories, but deeper and higher resolution scans are likely needed to detect further sub-surface gas pockets. Radar dark areas in the 70cm band, termed "halos", have been detected around many [[impact crater]]s. An especially large halo has been detected around [[Aristarchus crater]] and encompasses much of the [[Aristarchus plateau]]. Aristarchus is the major source of recent outgassing events detected via [[radon\|Radon 222]] activity. It has been suggested that the Aristarchus halo may be the result of subsurface ice deposits, but this has not been confirmed. Aristarchus is known to be an active outgassing site<ref>[http://www.space.com/scienceastronomy/070730_gassy_moon.html Lunar Flash Mystery Solved: Moon Just Passing Gas] By David Powell posted: 30 July 2007</ref>.		[[ground penetrating radar\|Ground Penetrating Radar]] studies have been made with wavelengths penetrating 10-20 meters via the [http://www.naic.edu/ Arecibo] and [http://www.gb.nrao.edu/ Green Bank] radio observatories, but deeper and higher resolution scans are likely needed to detect further sub-surface gas pockets. Radar dark areas in the 70cm band, termed "halos", have been detected around many [[impact crater]]s. An especially large halo has been detected around [[Aristarchus crater]] and encompasses much of the [[Aristarchus plateau]]. Aristarchus is the major source of recent outgassing events detected via [[radon\|Radon 222]] activity. It has been suggested that the Aristarchus halo may be the result of subsurface ice deposits, but this has not been confirmed. Aristarchus is known to be an active outgassing site<ref>[http://www.space.com/scienceastronomy/070730_gassy_moon.html Lunar Flash Mystery Solved: Moon Just Passing Gas] By David Powell posted: 30 July 2007</ref>.
		+
		+	Although the Moon is relatively inert geologically, the [[lunar atmosphere]] continues to replenished by lunar outgassing events.

	==References==		==References==

@@ Line 1: / Line 1: @@
 {{selene Stub}}
-Outgassing events in which [[radon]], [[nitrogen]], [[carbon monoxide]], and [[carbon dioxide]] from deep in the lunar interior are vented to the surface may be the result of low level [[lunar volcanism|volcanic]] or [[lunar tectonics|tectonic]] events on the [[moon]], and are hypothesized to be the source of the tenuous [[lunar atmosphere]].  Knowing when and where these events occur may help us understand more about [[lunar tectonics]] and how the moon's atmosphere was formed.
+Outgassing events in which [[Volatiles|volatiles]] are vented from deep in the lunar interior to the surface, specifically,  [[radon]], [[nitrogen]], [[carbon monoxide]], and [[carbon dioxide]], may be the result of low level [[lunar volcanism|volcanic]] or [[lunar tectonics|tectonic]] events on the [[moon]], and are hypothesized to be the source of the tenuous [[lunar atmosphere]].  Knowing when and where these events occur may help us understand more about [[lunar tectonics]] and how the moon's atmosphere was formed.
 [[Carbon]] and [[Nitrogen]] are both vital elements which will have to be imported from earth or from [[carbonaceous asteroid|carbonaceous asteroids]].  If outgassing events can be predicted it may be possible to [[ISRU|utilize]] this valuable resource.

@@ Line 23: / Line 23: @@
 *[http://www.atral.com/U2381.html U238 Radioactive Decay]
 *[http://www.epa.gov/radiation/understand/chain.htm US Environmental Protection Agency - Uranium-238 Decay Chain]
 [[Category:Selenology]]

@@ Line 7: / Line 7: @@
 The [[Alpha Particle Spectrometer]] aboard [[Lunar Prospector]] was designed to detect these events by tracking the [[alpha particle|alpha particles]] emitted during the decay of [[radon|radon 222]] and [[polonium|polonium 226]] (two increments immediately preceded by [[radium|Ra226]] in the decay series of [[uranium|U238]]).  The APS data was obscured by solar activity during the mission, but may be viewable once the effects of solar activity have been filtered out.  This task has not been done.
-[[ground penetrating radar|Ground Penetrating Radar]] studies have been made with wavelengths penetrating 10-20 meters via the [http://www.naic.edu/ Arecibo] and [http://www.gb.nrao.edu/ Green Bank] radio observatories, but deeper and higher resolution scans are likely needed to detect further sub-surface gas pockets.  Radar dark areas in the 70cm band, termed "halos", have been detected around many [[impact crater]]s. An especially large halo has been detected around [[Aristarchus crater]] and encompasses much of the [[Aristarchus plateau]].  Aristarchus is the major source of recent outgassing events detected via [[radon|Radon 222]] activity<ref>[http://www.space.com/scienceastronomy/070730_gassy_moon.html Lunar Flash Mystery Solved: Moon Just Passing Gas] By David Powell posted: 30 July 2007</ref>.   .  It has been suggested that the Aristarchus halo may be the result of subsurface ice deposits, but this has not been confirmed.
+[[ground penetrating radar|Ground Penetrating Radar]] studies have been made with wavelengths penetrating 10-20 meters via the [http://www.naic.edu/ Arecibo] and [http://www.gb.nrao.edu/ Green Bank] radio observatories, but deeper and higher resolution scans are likely needed to detect further sub-surface gas pockets.  Radar dark areas in the 70cm band, termed "halos", have been detected around many [[impact crater]]s. An especially large halo has been detected around [[Aristarchus crater]] and encompasses much of the [[Aristarchus plateau]].  Aristarchus is the major source of recent outgassing events detected via [[radon|Radon 222]] activity.  It has been suggested that the Aristarchus halo may be the result of subsurface ice deposits, but this has not been confirmed.  Aristarchus is known to be an active outgassing site<ref>[http://www.space.com/scienceastronomy/070730_gassy_moon.html Lunar Flash Mystery Solved: Moon Just Passing Gas] By David Powell posted: 30 July 2007</ref>.
 ==References==

← Older revision		Revision as of 06:16, 7 May 2007
Line 1:		Line 1:
−	{{~~stub~~}}	+	{{selene Stub}}

	Outgassing events in which [[radon]], [[nitrogen]], [[carbon monoxide]], and [[carbon dioxide]] from deep in the lunar interior are vented to the surface may be the result of low level [[lunar volcanism\|volcanic]] or [[lunar tectonics\|tectonic]] events on the [[moon]], and are hypothesized to be the source of the tenuous [[lunar atmosphere]]. Knowing when and where these events occur may help us understand more about [[lunar tectonics]] and how the moon's atmosphere was formed.		Outgassing events in which [[radon]], [[nitrogen]], [[carbon monoxide]], and [[carbon dioxide]] from deep in the lunar interior are vented to the surface may be the result of low level [[lunar volcanism\|volcanic]] or [[lunar tectonics\|tectonic]] events on the [[moon]], and are hypothesized to be the source of the tenuous [[lunar atmosphere]]. Knowing when and where these events occur may help us understand more about [[lunar tectonics]] and how the moon's atmosphere was formed.