1 / 16

mumma_032206. 1

The Goddard Center for Astrobiology NASA Astrobiology Institute “The Origin and Evolution of Organics in Planetary Systems” Michael J. Mumma NASA GSFC March 23, 2006. mumma_032206. 1. Why is Earth WET ? (and ALIVE ?). mumma.050405. 2. HST image of NGC 3603. Jason Dworkin - GSFC 2003.

amaris
Download Presentation

mumma_032206. 1

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Goddard Center for Astrobiology NASA Astrobiology Institute “The Origin and Evolution of Organics in Planetary Systems” Michael J. Mumma NASA GSFC March 23, 2006 mumma_032206.1

  2. Why is Earth WET? (and ALIVE?) mumma.050405.2

  3. HST image of NGC 3603 Jason Dworkin - GSFC 2003

  4. Processes affecting ices and dust in Proto-planetary Disks. The composition of disk material is extremely sensitive to initial composition, nebular processing, and nebular dynamics. mumma_050405.4

  5. The Goddard Center for Astrobiology mumma_050405.5

  6. The Goddard Center for Astrobiology Our Interstellar Heritage Dust and gas in hot cores and disks (Spitzer Legacy Program). Mundy ; Blake Organics in a low-mass protostellar system. Pedelty and Mundy Deuterium Chemistry Charnley High Energy processes in Young Stellar Objects. Petre and Hamaguchi Large scale dynamical transport in the Solar nebula Nuth mumma_032206.8

  7. The Goddard Center for Astrobiology • Windows on the Early Solar System Comets Establish taxonomy based on chemistry via specific molecules and isotopes A’Hearn, Bonev, DiSanti, Mumma • Meteorites Amino acids: Abundance and enantiomers Dworkin, Glavin, Botta, Doty, Martin Moon and Mars Isotopic compositions and abundances in Lunar breccias Walker and Puchtel The Search for Biomarker gases on Mars Villanueva, Mumma et al. mumma_032206.9

  8. The Goddard Center for Astrobiology Windows on Other Planetary Systems Properties of Extrasolar giant planets Deming and J. Richardson Migration of Giant Planets D. Richardson and Lufkin Laboratory Simulations of Astrochemical processes Synthesis of organics on metal smokes Nuth and N. Johnson Organics formed in radiation-processed mixed ices Moore, Hudson, Cooper Products formed in radiation-processed water ice Moore, Hudson, Cooper mumma_032206.10

  9. The Goddard Center for Astrobiology • Advanced Analysis of Primitive Material • A Progress Report: Chemical analysis of organics in situ • Brinckerhoffand Corrigan, Mahaffy, Glavin, Botta • Analysis of complex organics in terrestrial and extraterrestrial samples • Botta, Glavin, Dworkin, Mahaffy • Progress in LDMS: sample analysis in the lab and in space • Brinckerhoff, Corrigan, Ganesan mumma_032206.11

  10. The Goddard Center for Astrobiology • Tactical Session • The Challenge: • Evaluating our progress after two years • Re-focus efforts • Probable budget reduction in year 4 (FY07) • Proposal development in year 5 (FY08) • The Objective: Develop a tactical and operating Plan mumma_032206.12

  11. End mumma_050405.13

  12. The Goddard Center for Astrobiology Where will the astrobiological horizons be in 2008? How do we position ourselves to address them? ——————— Recent Mission Proposals with GCA co-I’s and/or PI’s: CAPO-SUMS (Nuth et al.) Contour-2 (Veverka, Mahaffy, et al.) Organic Origins Observatory (Mumma et al.) **Sample Analysis at Mars (Mahaffy et al.) Near Future: Mars Organic Observatory (Mumma et al.) mumma_050405.14

  13. Two dynamical comet families OC 1P/Halley JFC 19P/Borrelly JFC 81P/Wild-2 mumma_050405.15

  14. The Astrobiological Significance of Comets • Did comets deliver water and pre-biotic organics to early Earth? • Measurements of composition can test this question: • Deuteration ratios (HDO/H2O, DCN/HCN, HCHO/DCHO, …) • and ortho-para ratios (H2O, CH4, etc.) • Organic abundance ratios (chemistry): • CH4, CH3OH, HCHO, HCOOH,CO, CO2 : H2O • and their homologues • Compare dynamical families (Oort cloud, Jupiter-family) mumma_050405.16

More Related