Asteroid, Comet, and Meteor Earth Impacts in the Yahoo! Directory

Asteroid and Comet Impact Hazards
From the NASA Ames Space Science Division.
www.impact.arc.nasa.gov
Barringer Meteor Crater
Also known as Meteor Crater, it is a gigantic depresion in the middle of the arid sandstone of the Arizona desert.
www.barringercrater.com
Torino Scale (5)
Find sites discussing the Torino Impact Hazard Scale, a classification scale which predicts the impact hazard of near-Earth-objects (NEOs).
dir.yahoo.com/.../Earth_Impact/Torino_Scale
SpaceGuard UK Portal
Provides information about the organization as well as its Comet and Asteroid Information Network (CAIN) and the Spaceguard Centre located at the former Powys Observatory.
www.spaceguarduk.com
Small Comets
Images produced by cameras on NASA's Polar spacecraft have confirmed that Earth is being pelted by thousands of small comets each day.
smallcomets.physics.uiowa.edu
Meteors, Meteorites and Impacts
Bits of the solar system that have fallen to the Earth. Describes different meteorite types and provides links to other meteorite sites.
www.nineplanets.org/meteorites.html
Earth Impact Effects Program
Estimates the seismic, blast wave, and thermal effects of an asteroid impact as well as the size of the crater produced by the impact.
www.lpl.arizona.edu/impacteffects
Tsunami from Asteroid/Comet Impacts
An asteroid striking the ocean could generate tsunami (tidal waves); what is the risk to coastal locations?
www1.tpgi.com.au/users/tps-seti/spacegd7.html
FAIR: Future Asteroid Interception Research
Funding for asteroid, NEO, and NEA research projects.
www.FAIR-Society.org
Haughton-Mars Project@
dir.yahoo.com/.../Science/Haughton_Mars_Project
Near Earth Object Current Impact Risks
A table that lists potential future Earth impact events that the JPL Sentry System has detected based on currently available observations.
neo.jpl.nasa.gov/risk
Tunguska (5)
dir.yahoo.com/.../Earth_Impact/Tunguska
Earth Impact Database
Database of impact craters around the world from the Canadian Governmental Continental Geoscience Division site.
gdcinfo.agg.emr.ca/crater/world_craters_e.html
Is Earth in Danger of Being Hit by an Asteroid?
NASA scientists bring you the truth about asteroids and what they mean for Earth, and give you some references to check out.
imagine.gsfc.nasa.gov/docs/ask_astro/answers/danger.html
Comets, Culture, & Currency
Direct social and physical impact of comet debris during the holocene and long term impact of rationalizing such phenomena.
abob.libs.uga.edu/bobk
Planetary Defense: Preventing a World of Trouble
November, 2005, paper by Salvatore A. Vittorio discusses threat posed by near Earth objects (NEOs). Includes a discussion of different sized NEOs, as well as various possible government responses.
www.csa.com/discoveryguides/planetary/overview.php
Spaceguard Foundation, The
Association aimed at the protection of the Earth environment against the bombardment of objects of the solar system (comets and asteroids.)
cfa-www.harvard.edu/~marsden/SGF
Scientific American: Double Whammy
An asteroid striking land would be catastrophic, but the damage might be far worse if it crashed into the sea.
www.sciam.com/article.cfm?articleID=000A231F-EBFC-1CDF-B4A8809EC588EEDF
Tycho Brahe Expedition 1998 (1)
dir.yahoo.com/.../Earth_Impact/Tycho_Brahe_Expedition_1998
Arcetri Near Earth Object Precovery Program (ANEOPP)
Dedicated to the systematic search of NEO images on existing photographic plate archives.
www.arcetri.astro.it/science/aneopp