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Atmosphere on the Moon? From NASA.GOV
05-23-2013, 01:51 PM #1
The Ghost Of ULP Member
Posts:439 Threads:212 Joined:Dec 2012

Until recently, most everyone accepted the conventional wisdom that the moon has virtually no atmosphere. Just as the discovery of water on the moon transformed our textbook knowledge of Earth’s nearest celestial neighbor, recent studies confirm that our moon does indeed have an atmosphere consisting of some unusual gases, including sodium and potassium, which are not found in the atmospheres of Earth, Mars or Venus. It’s an infinitesimal amount of air when compared to Earth’s atmosphere. At sea level on Earth, we breathe in an atmosphere where each cubic centimeter contains 10,000,000,000,000,000,000 molecules; by comparison the lunar atmosphere has less than 1,000,000 molecules in the same volume. That still sounds like a lot, but it is what we consider to be a very good vacuum on Earth. In fact, the density of the atmosphere at the moon’s surface is comparable to the density of the outermost fringes of Earth’s atmosphere where the International Space Station orbits.

What is the moon’s atmosphere made of? We have some clues. The Apollo 17 mission deployed an instrument called the Lunar Atmospheric Composition Experiment (LACE) on the moon’s surface. It detected small amounts of a number of atoms and molecules including helium, argon, and possibly neon, ammonia, methane and carbon dioxide. From here on Earth, researchers using special telescopes that block light from the moon’s surface have been able to make images of the glow from sodium and potassium atoms in the moon’s atmosphere as they are energized by the sun. Still, we only have a partial list of what makes up the lunar atmosphere. Many other species are expected.


http://www.nasa.gov/mission_pages/LADEE/...phere.html
05-23-2013, 02:38 PM #2
Octo Mother Superior
Posts:41,429 Threads:1,546 Joined:Feb 2011
Oh wow, I didn't know that. I wouldn't take my space suit off though. chuckle.gif
05-23-2013, 04:48 PM #3
The Ghost Of ULP Member
Posts:439 Threads:212 Joined:Dec 2012
(05-23-2013, 02:38 PM)Octo Wrote:  Oh wow, I didn't know that. I wouldn't take my space suit off though. chuckle.gif


chuckle.gif
05-23-2013, 06:09 PM #4
JayRodney ⓐⓛⓘⓔⓝ
Posts:30,669 Threads:1,483 Joined:Feb 2011
The moon has lots of frozen water and low gravity, would be the perfect place to launch space missions.
We don't realize how lucky we are to have it... yet.

wonder.gif
05-23-2013, 06:12 PM #5
Octo Mother Superior
Posts:41,429 Threads:1,546 Joined:Feb 2011
I truly hope it's one of those things we don't really need to lose to appreciate. damned.gif



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