NASA selects SwRI mass spectrometer for technology development funding

May 17, 2011

NASA has selected Southwest Research Institute's MAss Spectrometer for Planetary EXploration (MASPEX) for technology development funding. Originally offered as part of the Primitive Material Explorer (PriME) mission proposal, the mass spectrometer was selected to further advance NASA's capability for evaluating the chemical composition of comets.

MASPEX is a highly sensitive ion and neutral based on novel detection technologies under development by SwRI. Although similar to a spectrometer on the ESA Rosetta mission currently on course to reach comet 67P/Churyumov-Gerasimenko in 2014, MASPEX extends its resolution and sensitivity by one to two orders of magnitude. The spectrometer is designed to measure precisely the composition of volatile gases and plasmas found in planetary atmospheres as well as comets. Identification of isotopes in these extremely populations is a particularly challenging target and an area where MASPEX is expected to excel. In addition to comets, the SwRI team is exploring a number of Earth-based spin-off applications of this .

Institute Scientist Dr. Hunter Waite and Program Director Dr. David Young, both of the SwRI Space Science and Engineering Division, serve as MASPEX co-principal investigators.

"With further development, MASPEX will have by far the highest sensitivity for identifying, measuring and sampling gases and plasmas of any mass spectrometer ever flown in space," says Waite.

"Measuring will yield for the first time quantitative clues to the origin of comets and other bodies in the solar system, and could provide valuable insights into the origin of life," Young adds.

To be considered for space flight, the SwRI team must demonstrate continued advancement of the technology in preparation for a future mission proposal. The spectrometer is one of three technology developments selected by NASA for further development.

NASA's Science Mission Directorate oversees the technology development program.

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1 / 5 (1) May 18, 2011
This is great news if they can measure the Xe-136 isotope!

The solar system formed from poorly-mixed supernova debris [1,2].

The inner, iron-rich batch of elements contained "normal" xenon, like that in the Earth, Mars and the Sun [3].

The outer, H-rich elements contained "strange" xenon, like that in Jupiter and in carbon-rich inclusions of meteorites [4].

1. "Xenon record of the early solar system", Nature 262, 28-32 (1976)

2. "Strange xenon, extinct super-heavy elements, and
the solar neutrino puzzle", Science 195, 208-209 (1977)

3. "Terrestial-type xenon in meteoritic troilite",
Nature 299, 807-810 (1982)

4. "Isotopic ratios in Jupiter confirm intra-solar diffusion",
Meteoritics & Planet. Sci. 33, A97, 5011 (1998)

With kind regards,
Oliver K. Manuel
Former NASA PI for Apollo