- Arcetri Near Earth Object Precovery Program (ANEOPP)
 - Dedicated to the systematic search of NEO images on existing photographic plate archives. - Asteroid and Comet Impact Hazards
![[*]](http://eur.i1.yimg.com/eur.yimg.com/i/uk/g/rating2.gif) - From the NASA Ames Space Science Division. - Asteroids: Deadly Impact
- Barringer Meteor Crater
- Also known as Meteor Crater, it is a gigantic depresion in the middle of the arid sandstone of the Arizona desert.
- Comets, Culture, & Currency
- Direct social and physical impact of comet debris during the holocene and long term impact of rationalizing such phenomena.
- Earth Impact Database
- Database of impact craters around the world from the Canadian Governmental Continental Geoscience Division site.
- 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.
- Earth-Crossing Asteroids
- Describes and presents results from research on the physical modelling of Earth-crossing asteroids using radar and optical data.
- FAIR: Future Asteroid Interception Research
- Funding for asteroid, NEO, and NEA research projects.
- Haughton-Mars Project@
- 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.
- 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.
- 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.
- Near Earth Objects - The Planetary Society
- Provides recent news about, as well as the society's efforts to, research Near Earth Objects (NEOs).
- NEO Information Center
- Dedicated toward research and the public knowledge of asteroids, comets, and meteors, and their threat to planet Earth.
- NEO Information Centre
- Provides services to the public, educators, media, and scientists to encourage understanding and advancement of Near Earth Objects science.
- Planetary Defense Conference 2007
- Developing a white paper that assesses the current state of our ability to discover and track NEOs and our ability to successfully deflect a threatening object should one be detected.
- 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.
- Scientific American: Bang and Splat
- A supercomputer anticipates the catastrophic impact of a giant comet.
- Scientific American: Double Whammy
- An asteroid striking land would be catastrophic, but the damage might be far worse if it crashed into the sea.
- 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.
- Spaceguard Foundation, The
- Association aimed at the protection of the Earth environment against the bombardment of objects of the solar system (comets and asteroids.)
 SpaceGuard UK Portal
- Provides information about the organisation as well as its Comet and Asteroid Information Network (CAIN) and the Spaceguard Centre located at the former Powys Observatory.- Tagish Lake Meteorite
- Overview, photographs, and more about the carbonaceous chondrite meteorite that came down over Tagish Lake in northern Canada in January 2000.
- Target Earth - The Planetary Society
![[new]](http://eur.i1.yimg.com/eur.yimg.com/i/uk/g/new2.gif) - Target Earth is a year-long Planetary Society project focusing on Near Earth Objects (NEOs) and the hazards that these marauding space-rocks pose to Earth. - Torino Scale (6)
- Find sites discussing the Torino Impact Hazard Scale, a classification scale which predicts the impact hazard of near-Earth-objects (NEOs).
- Tsunami from Asteroid/Comet Impacts
- An asteroid striking the ocean could generate tsunami (tidal waves); what is the risk to coastal locations?
- Tunguska (7)
- Tycho Brahe Expedition 1998 (1)
- Watch, The
- Asteroid and comet detection and research project of the Space Frontier Foundation.
- When the Sky Fell on Our Heads
- Research paper of the Department of Geology and Geophysics, University of California, Berkeley. Highlights the identification and interpretation of impact products like shocked minerals, tektites, Ir anomaly, ejecta layer, KT impact glass, and more in the sedimentary record.
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