Impact Science And near Earth Objects
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IMPACT SCIENCE
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UPDATED 5 FEBRUARY, 2001

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THE DYNAMICS OF THE IMPACT CRATERING PROCESS AND CRATER MORPHOLOGY



NASA's Hpervelocity Impact Technology Facility (HTIF)

http://sn-callisto.jsc.nasa.gov/htif.html

Lunar Impact Crater Geology and Structure (Another NASA Site)

http://cass.jsc.nasa.gov/expmoon/science/craterstructure.html



IMPACT SIMULATIONS



Simulation of Asteroid/IComet Impacts With Earth Michael Paine (Spaceguard Australia) documents the effect of impact events over a hypothetical 100,000 year period using computer simulation software. Although based on simulation the results are quite sobering.

A http://www1.tpgi.com.au/users/tps-seti/sta1047.htm

Addig Up The Risks of Cosmic Impact Alan boyle (MSNBC) A short article on the results of computer simulation and the historical/geological record.

http://www.msnbc.com/news/373938.asp?cp1=1#BODY

Simulating Armageddon on Your PC: Asteroid Impacts With Earth Micahael Paine

http://www.space.com/science/solarsystem/asteroid_software_000110.html

Book: Comet and Asteroid Impact Hazzardson a populated Earth: Computer Modeling by John S. Lewis, 1999 Academic Press. This work includes the software used by Michael Paine in his work (see links above)

http://www.amazon.com/exec/obidos/ASIN/0124467601/qid=952388243/sr=1-6/002-5597878-8653849

A review of John S. Lewis' Book on Computer modeling of impact events (see also links above)

http:// www1.tpgi.com.au/users/tps-seti/spacegd2.html#lewis1

Erik Asphaug and Kevin Olson's work "Impacts into Asteroids and Planets; Parallel Tree Code Simulations Using Smooth Particle Hydrodynamics

http://outside.gsfc.nasa.gov/ESS/annual.reports/ess98/asphaug.html

Erik Asphaug's home page featuring movies illustrating the above work

http://www.es.ucsc.edu/~asphaug/

Two pages at the Sandia National Laboratories illustrating the effect of a hypothetical impact off the coast of New York (Generated using an Intel teraflop computer by Arthurine Breckenridge from data provided by David Crawford)

1. http://sherpa.sandia.gov/planet-impact/comet

2. http://sherpa.sandia.gov/planet-impact/asteroid/

A press release from Sandia pertaining to Crawford and Breckenridge's simulations

http://www.sandia.gov/LabNews/LN04-25-97/comet_story.html

An Article from Scientific American on the same topic

http://www.sciam.com/explorations/052697comet/hall.html

Simulations of Impact Tsunami by Michael Paine (Australian Spaceguard Survey)

http://www1.tpgi.com.au/users/tps-seti/spacegd7.html#tsunamiimpact

Jay Melosh' Program for calculating relative impactor/crater diameters (Lunar and Planetary Laboratory: University of Arizona)

http://www.lpl.arizona.edu/tekton/crater.html



EDUCATIONAL RESCOURCES FOR THE CLASSROOM
(Hint; See also; Michael Paine's Impact Tsunami Simulation (above))



Classroom activities provided by the Hawaii Space Grant College, Hawaii Institute of Geophysics and Planetology, University of Hawaii

1) http://www.soest.hawaii.edu/SPACEGRANT/class_acts/Craters.html

2) http://www.soest.hawaii.edu/SPACEGRANT/class_acts/CrateringDoc.html

A some-what more elementary offering for the classroom by San Diego State University; "Hands-on Modeling of Impact Craters"

http://earthview.sdsu.edu/trees/crater.hans

Here is a nice little Gem provided by JPL "The Educators Guide to Impact Craters".

http://marples.as.utexas.edu/~rocks/site/craters.html



TERRESTRIAL IMPACT STRUCTURES



GENERAL



Terrestrial Impact Structures (updated 11 September, 2000 with references)

http://www.ucl.ac.uk/geolsci/edu/students/planet/crater.htm



The Geological Survey of Canada's Data Base of Terrestrial Impact Structures

http://gdcinfo.agg.emr.ca/toc.html?/crater/world_craters.html



Terrestrial Impact Craters

http://www.iki.rssi.ru/solar/eng/tercrate.htm



UPHEAVAL DOME, UTAH



The Controversy over Utah's Upheaval Dome by Matt Morgan

http://www.meteorite.com/impact/upheaval.htm

Upheaval Dome: Seismic Refraction Analysis by John Louie

http://www.seism.unr.edu/ftp/pub/louie/dome/refraction.html

Geology and Structure of Upheaval Dome, San Juan County, Utah: Salt or Impact Structure by Mike Unger

http://terra.rice.edu/department/students/munger/pages/Comps/Comps.htm



THE RIES KESSEL/STEINHEIM IMAPCT STRUCTURES



Field work at the Ries and Steinheim impact craters

http://www.ucl.ac.uk/geolsci/edu/students/planet/field/knodle.htm

An image of the Ries Kessel

http://home.moravian.edu/users/phys/mejjg01/interests/Seismo_pages/reis_kessel_meteorite.htm



THE RIO CUARTO CRATER FIELD IN ARGENTINA



The Rio Cuarto Crater Field in Argentina

http://www.crateres.com/

Science Frontiers' article on the Rio Cuarto Crater Field

http://www.science-frontiers.com/sf080/sf080g11.htm

An interesting abstract ob the Rio Cuarto Crater Field by John A. Grant and Peter H. Schultz. (John Grants Webpage)

http://www.buffalostate.edu/~grantja/argentina.htm



THE MJOLNIR IMPACT STRUCTURE ()



The Mjolnir Impact Structure Home Page (Filippos Tsikeles and Jan Inge Faleide)

http://www.geologi.uio.no/avdG/mjolnir/mjolnir.html



THE BARINGER METEORITE CRATER "METEOR CRATER" IN ARIZONA



The Baringer Meteorite Crater (Meteor Crater) in Arizona

http://barringercrater.com

Another site for the Baringer Crater

http://www.meteorcrater.com/



THE ODESSA METEORITE IMPACT STRUCTURE COMPLEX (TEXAS)



Speliologist Bill Bentley's site featuring the Odessa Meteorite crater in texas

http://www.caver.net/arch/odemetcr.htm

The Meteorite Market's description of the Odessa Meteorite

http://www.alaska.net/~meteor/OTinfo.htm

Description of the Odessa meteorite from Steven Ervin's website (California State University, Fresno)

http://erasmus.biol.csufresno.edu/Ervin/Meteorite/odessa.html

Professor Glen Evans' web-page featuring information on the Odessa impact crater at the university of Texas

http://marple.as.utexas.edu/~rocks/site/Crater.html

More information pertaining to the Odessa meteorite.

http://www.alaska.net/~meteor/OTinfo.htm



ODESSA AND SIERRA MADERA



Vincent Mathews' site has information on The Odessa crater complex and the Sierra Madera astrobleme.

http://www.utpb.edu/ceed/GeologicalResources/West_Texas_Geology/main_west_texas_geology.htm



THE GOSSES BLUFF IMPACT STRUCTURE IN AUSTRALIA



A nice picture of the Gosses Bluff impact structure in Australia

http://www.cinemedia.net/FOD/1996/spockley225.html

Torsten Prinz'Multispectral remote sensing of the Bosses Bluff impact structure by using Landsat-TM and ERS-1 data (University of Muenster, Germany)

http://www.uni-muenster.de/GeoPaleontologie/Geologie/Ferngis/Gosses_Bluff/Bluff.html



THE STRANGWAYS AND SHOEMAKER (AKA TEAGUE RING) IMPACT STRUCTURES IN AUSTRALIA



Remote sensing and structural Aspects of two Australian Impact Structures: Strangways (N.T) and Shoemaker (W.A.) (University of Meunster, Germany)

http://www.uni-muenster.de/GeoPalaeontologie/Geologie/Ferngis/strange/strange.html



NEAR EARTH ASTEROIDS



NASA Ames Research Center's "Asteroid and Comet Impact Hazards" page

http://impact.arc.nasa.gov/index.html

"Visualization of Earth Approaching Asteroids; Castalia, Toutatis, and Geographos" (Features movies of asteroids)

http://www-ssv.jpl.nasa.gov/SSV/ast_clips.html



NEAR EARTH ASTEROID SURVEYS AND OBSERVATORIES

The Space Guard Foundation Web Site

http://cfa-www.harvard.edu/~marsden/SGF

Japan Spaceguard's new 0.5m F1.9 Cassagrain telescope at the Bisei Spaceguard Center

http://neowg.mtk.nao.ac.jp/neo/index.html

The NASA Jet Propulsion Laboratory's Near Earth Asteroid Tracking survey (NEAT)

http://neat.jpl.nasa.gov/

The Lincoln Near Earth Asteroid Research Node (LINEAR)

http://www.ll.mit.edu/LINEAR/

The Lowell Observatory Near Earth Object Search (LONEOS)

http://www.lowell.edu/users/elgh/loneos_disc.html

The High Elliptical Latitude Interplanetary Object Search (HELIOS)--Roy Tucker's site

http://www.azstarnet.com/~gpobs/gpobs.htm

The Lunar and Planetary Science Institute's Catalina Sky Survey

http://www.lpl.arizona.edu/css

The Powell Observatory's Asteroid and Supernova Patrol

http://216.71.129.148/askcasteroids/index.html

The Starkenburg Observatory in Heppenheim Germany

http://www.regio-info.de/sternwarte-heppenheim/

The Bellatrix Astronomical Observatory (Italy)

http://www.eurolink.it/comets/

The Sormano Astronomical Observatory (Italy)

http://www.brera.mi.astro.it/sormano/

ASKC Asteroid and Supernova Patrol Program (Powell Observatory IAUC/MPC #649)

http://www.everstar.com/askcasteroids/

Sunflower Observatory IAUC/MPC #739 (Olathe, Kansas)

http://www.geocities.com/larry_739/



PRIORITY LISTS, FOLLOW UP REQUESTS, AND CATALOGUES OF OBJECTS



Observable Critical List-Minor Planets (IAU/MPC)

http://cfa-www.harvard.edu/iau/Ephemerides/CritList/index.html

Minor Body Priority List (Sormano Astronomical Observatory)

http://www.brera.mi.astro.it/sormano/mbpl.html

Small Asteroid Encounter List (Sormano Astronomical Observatory)

http://www.brera.mi.astro.it/sormano/sael.html



PERSONAL PAGES DEVOTED TO NEAR EARTH ASTEROIDS



Dr. Syuzo Isobe's Homepage at the National Astronomical Observatory (Japan)

http://neowg.mtk.nao.ac.jp/

Scott Hudson's Earth Crossing Asteroid Web Page
Features computer modeling of NEA's

http://www.eecs.wsu.edu/~hudson/Research/Asteroids/index.htm

Bill Bottke's Asteroid Research Home Page (Cornell University)

http://astrosun.tn.cornell.edu/staff/bottke/index.html

Gordon Garradd's Astronomy Page (Australia)

http://www.ozemail.com.au/~loomberah/

Don Brownlee's homepage (University of Washington)

http://www.astro.washington.edu/brownlee/

Derek Richardson's homepage (University of Washington)

http://www-hpcc.astro.washington.edu/faculty/dcr

Jim Simpson's Homepage

http://members.aol.com/netstryder/

David deGraff's Homepage (Alfred University; Alfred New York)

http://merlin.alfred.edu/degraff/



RADAR STUDIES OF NEA'S



JPL's Asteroid Radar Research Page

http://echo.jpl.nasa.gov



SITES RELATED TO CELESTIAL MECHANICS AND OBSERVATIONAL METHODOLOGY



Guide to Minor Body Astrometry (IAUC/MPC)

http://cfa-www.harvard.edu/iau/info/Astrometry.html

Object Oriented Astronomy; Celestial Mechanics and Geodesy (Munich)

http://alpha.fesq.tu-muenchen.de/dieter/java/methods.html

The Minor Planet Mail List (MPML) (HIGHLY RECOMENDED)

http://www.bitnik.com/mpMPList.html

(NEODys) The Near Earth Object Dynamics Site at the University of Pisa
A very useful site

http://newton.dm.unipi.it/neodys

Celestial and Orbital Mechanics Website

http://members.tripod.com/~cdeagle/



NEA AND COMET RELATED SPACE MISSIONS



The Near Earth Asteroid Rendezvous (NEAR) Webpage at Johns Hopkin's Applied Physics Laboratory

http://near.jhuapl.edu/

The Near Earth Asteroid Rendezvous (NEAR) mission on the web at NASA's Goddard Space Flight Center

http://leptpm.gsfc.nasa.gov/near-www.html

The MUSES-C Homepage

http://www.muses-c.isas.ac.jp/



REPORTING AUTHORITIES AND BULLETIN SERVICES



The Cambridge Conference Correspondances

http://abob.libs.uga.edu/bobk/cccmenu.html

The International Astronomical Uninion's Central Bureau for Astronomical Telegrams

http://cfa-www.harvard.edu/cfa/ps/chat.html

The International Astronomical Union's Minor Planet Center

http://cfa-harvard.edu/cfa/ps/mpc.html

The International Astronomical Union's Minor Planet Circulars>BR>
http://cfa-harvard.edu/iau/services/MPC.html

Division of Planetary Sciences-American Astronomical Society

http://www.aas.org/~dps/dps.html

The United States Naval Observatory (Washington D.C.)

http://www.usno.navy.mil/home.shtml



PERIODICALS



Icarus; The International Journal of Solar System Studies

http://astrosun.tn.cornell.edu/Icarus/Icarus.html

The Meteoritical Society

http://www.uark.edu/campus-rescources/metsoc/

The International Union of Geological Sciences

http://www.iugs.org/



PRIVATE ORGANIZATIONS



Citizen's Protection Against Near Earth Objects (CPANEO)

http://www.cpaneo.org/



ON-LINE PAPERS AND DISSERTATIONS

List of available abstracts,preprints and papers by Clark Chapman

http://www.boulder.swri.edu/clark/avail.html



"Virtual Impactors: Search and Destroy" Andrea Milani, Space Mechanics Group, University of Pisa

http://copernico.dm.unipi.it/~milani/virimp

"The asteroid recovery Problem I: Recovery of Lost Asteroids" Andrea Milani, Space Mechanics Group, University of Pisa

http://copernico.dm.unipi.it/~milani/ident1/

Other interesting papers by Andrea Milani

http://copernico.dm.unipi.it/~milani/



ASTROMATERIALS



NASA Johnson Space Center's Astromaterials Curation Page

http://www-curator.jsc.nasa.gov/curator/curator.htm



MISCELANEOUS SITE OF INTEREST



The Amateur Sky Survey (TASS)

http://www.tass-survey.org/



IMPACT MITIGATION



"Planetary Defence: Catastrophic Health Insurance for Planet Earth" Col. John M. Urias (USAF) et. al

http://fas.org/spp/military/docops/usaf/2025/v3c16/v3c16-1.htm