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LDEX was designed by the Laboratory for Atmospheric and Space Physics, University of Colorado and calibrated in Germany at the Heidelberg dust accelerator facility.

A dust particle impacts the hemispherical target of LDEX and generates a plasma cloud. The two MCP signals are being used for coincident detection ensuring the identification of dust impacts as cosmic ray or solar particles only cause a signal on one of the MCPs. The atoms and molecules enter the ion source perpendicular to the electron beam. "The sensitivity of the instruments is very high, and we are looking forward to an exciting science phase!". The electrons are collected on the target and are detected by a charge sensitive amplifier. The mission is the first flight of a spacecraft developed at Ames, the first spacecraft launched on a U.S. Air Force Minotaur V rocket integrated by Orbital Sciences Corp., and the first deep-space mission to launch from NASA's Wallops Flight Facility in Virginia. LDEX principal investigator, Mihály Horányi. It is a compact, low risk instrument with no deployable components (with the exception of a deployable door) and no flight software. The LDEX instrument is designed to examine the local and temporal variability of dust distribution in the lunar exosphere taking into account dust grain size and density. It ionizes species and focuses them into the quadrupole without any wall collisions. Because the LLCD system is part of the payload, it is not considered part of LADEE’s communications system as all data that is required for mission success is up- and downlinked via LADEE’s S-Band system. Image credit: NASA/Ames – Eric James. From Earth, we always see the same side of the moon. LADEE Instruments Are Healthy and Ready for Science By Keith Cowing Posted December 4, 2013 12:44 PM Comments ©NASA LADEE Now in orbit around the … UVS was developed at NASA’s Ames Research Center with participation of Aurora Design & Technology, and Visioneering LLC. The LLCD System consists of three primary parts: The Lunar Lasercom Space Terminal mounted on LADEE and the Lasercom Ground Terminal with Lasercom Operations Center on Earth. The Lunar Dust Experiment (LDEX), built to collect and analyze lunar dust particles in the moon's thin atmosphere, is fully operational. UVS observes the lunar exosphere monitoring the two known species sodium and potassium and also searching for other species such as silicon, aluminum, magnesium, calcium, titanium, iron and water. Mission target: Earth’s Moon NASA’s Goddard Space Flight Center, Greenbelt, Md. The Lunar Atmosphere and Dust Environment Explorer (LADEE), launched Sept. 6, 2013, carries three science instruments designed to gather detailed information about the structure and composition of the thin lunar atmosphere and determine whether dust is being lofted into the lunar sky. Mission duration: Approximately 225 days (LADEE impacted the lunar surface, as planned, on April 17, 2014) NASA Wallops Flight Facility will be responsible for launch vehicle integration, launch services, and launch range operations. NMS will also study ambient ions by turning off the electron beam and directing natural ions into the mass spectrometer through the open source.

Wallops was responsible for launch vehicle integration, launch services, and launch range operations. Ultraviolet and Visible Light Spectrometer (UVS). The NMS payload is based on the Neutral Gas and Ion Mass Spectrometer that was developed for NASA’s CONTUR mission. Launch location: Wallops Flight Facility, Wallops Island, Va. The closed source can be used for species that do not adsorb on surfaces within the ion source such as Helium, Argon and non-reactive neutrals as particles collide with the wall of the source multiple times prior to ionization. LDEX has a temporal resolution of less than 3 seconds to make at least 100 measurements in 6 minutes over a 20-degree region approaching the terminator. EurekAlert! LADEE Science Results and Implications for Exploration NASA's Lunar Atmosphere and Dust Environment Explorer, LADEE, concluded a fully successful investigation of the Moon's tenuous gas and dust atmosphere on April 18, 2014. Launch date: September 6, 2013 The instrument can detect scattered light from dust from altitudes of a few Kilometers up to about 50 Kilometers using the limb telescope. IMAGE: This is an artist's concept of NASA's Lunar Atmosphere and Dust Environment Explorer in orbit above the moon as dust scatters light during the lunar sunset.

LADEE hosted three science instruments to address atmospheric and dust objectives, and a technology demonstration of deep-space optical communication. “The installation of the final science instrument to LADEE’s flight structure in the clean room at Ames is an important step toward completing the spacecraft build and testing,” said Butler Hine, LADEE project manager at Ames.

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