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Comets
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Informative illustrated explanation of what comets are, what they are made of, where they come from and how to observe them.
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Howstuffworks How Comets Work Comets have fascinated mankind since humans first noticed the distinctive tail streaking across the night sky. We mark the date that we saw a comet that comes around only once a century or even once in four centuries and we...The original discovery and latest news about a new class of interplanetary bodies.
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Small Comets Every few seconds a snowball the size of a small house breaks up as it approaches Earth and deposits a large cloud of water vapor in Earth's upper atmosphere. Latest News New Optical Results The Original Discovery Who's Who Your...The solar polar orbit satellite observed tail of comet Hyakutake by means of magnetic fields and particle count anomalies. Article from Science News.
http://sciencenews.org/20000408/fob1.asp
Basic features, data, discoveries, images and sections with specific information on selected comets.
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Comet Introduction They have highly elliptical orbits that bring them very close to the Sun and swing them deeply into space, often beyond the orbit of Pluto. Comet structures are diverse and very dynamic, but they all develop a surrounding cloud of...Basic features and some more information on selected comets.
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ORRERY: Comets visitors from afar Comets visitors from afar Sun Mercury Venus Earth Moon Mars Asteroids Jupiter Saturn Uranus Neptune Pluto X Kuiper Comets are frequently described as muddy snowballs, although they are not made of frozen ice water. Instead, they consist of rock, dust...General information and data, pictures, details on the most interesting ones.
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Comets Click on image for full size version (232K) Not long ago, many people thought that comets were a sign that something bad was about to happen to them. People didn't understand how objects in the sky moved, so the sight...From the Smithsonian Astrophysical Observatory. News, observations, orbital data, comet names and designations, links.
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Comet Information and the International Comet Quarterly (ICQ) Primary and secondary information on comets and observing comets: This is a key place to begin looking for useful and accurate information regarding news, observations, orbital data, designations and names, and good links regarding comets and related topics [sponsored by...News, recent observations, observing information and advice.
http://www.ast.cam.ac.uk/~jds/
Overview of comets, as described by a professional comet researcher.
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comet comet comet comet comet comet comet comet comet This page and its links are dedicated to an overview of the comets Nucleus Mantle Interior Coma Tail Origin Oort Cloud Kuiper Belt KB2Comet Damocloids The comets are ice-rich bodies that become prominent when heat from the sun causes their...A list of comets discovered by Canadian astronomers.
http://www3.ns.sympatico.ca/dave.chapman/CanCom.html
Orbit computations for selected comets.
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Nakano Note There is no computer file before NK 455. Note NKs marked by x are temporarily unavailable yet. NK 1224 172P/Yeung (2002 BV) NK 1223 132P/Helin-Roman Alu 2 NK 1222 171P/Spahr (1998 W1 2005 R3) NK 1221B C/2005 A1-B (LINEAR) NK...Downloadable catalog. Also news, reading list, articles, links.
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The COCD Homepage O comet discoveries waiting for orbital elements. German Comet Section Homepage News Older News 2005 October 26 New Discovery John Broughton (Reedy Creek) reports his discovery of a new comet on Oct. 9, 2005. After posting on the NEO Confirmation...News, observations, analyses of current comets, images, archives, links.
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Homepage of the VdS-Fachgruppe Kometen A selection of beautiful images of the FG Kometen archive Current Comets (2005 October 22) Comet Obs. Brightness Sky (50 N) Trend Analysis Images Notes C/2005 T4 (SWAN) 10 11? low in evening sky fainter C/2005 E2 (McNaught) 11 12...Images of sun grazing comets from the Solar and Heliospheric Observatory. Also, background, archives, and how to interpret images and report new discoveries.
http://ares.nrl.navy.mil/sungrazer/
History, orbits, composition, ways comets are studied, relation to meteor showers. Comets Halley, Shoemaker-Levy 9. From the National Air and Space Museum.
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Exploring The Planets Comets For most of recorded history, comets have played a unique role in culture and science. However, it was really only about 500 years ago that the serious, methodological, standardized observation of comets began, leading slowly to our view of comets...Encyclopedia entry covers physical characteristics, history. List of well-known comets.
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Comet Wikipedia, the free encyclopedia A comet is a small body in the solar system that orbits the sun and (at least occasionally) exhibits a coma (or atmosphere) and/or a tail both due primarily to the effects of solar radiation upon the comet's nucleus, which...Resource for telescope observers involved in the Deep Impact space mission to comet Tempel 1. Provides observation campaign data and observer collaboration.
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Deep Impact: Small Telescope Science Program (STSP Redirect Page You will be automatically forwarded to the new website in 5 seconds. Please make a new bookmark. If for some reason you are not automatically forwarded, please select the following link: http deepimpact.umd.edu/stsp/...Offers report and observations of a breakup of a comet in July 2000.
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Comet LINEAR Continues to Disintegrate R continues to disintegrate and could disappear completely within a few days. July 31, 2000 Astronomers around the world continue to monitor the unexpected disintegration of comet C/1999 S4 (LINEAR Intense solar heating apparently triggered a massive disruption of the...Updated news letter on observation opportunities, designation of names and discoveries. Includes observation data and links.
http://cfa-www.harvard.edu/cfa/ps/icq.html
Glossary of comet (and astronomical) terms.
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Glossary of astronomical terms Below are listed alphabetically some terms, with explanations, that one might encounter frequently in reading about topics on these ICQ/CBAT/MPC World Wide Web pages. Altitude. The angular distance from the observer's horizon, usually taken to be that horizon that is...Catalogue of images, ordered by comet.
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Comets When submitting images to TA please send them as an e-mail attachment and please try to use the following filename format: object_yyyymmdd_hhmm_observer.jpg where object is the name of the object, yyyymmdd, hhmm is the date and time of the exposure...Offers updated orbital data, lists and orbit diagrams. Includes near Earth objects and minor planets.
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Lists and Plots: Comets This page contains lists and plots related to comets. If you use information from any of the lists in the preparation of any publication, please acknowledge the relevant URL and either CBAT or MPC. Correspondences of Comet Designations Don't know...