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1. Impact Hazard
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...
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Ссылки http://star.arm.ac.uk/impact-hazard/ -- 11.3 Кб -- 29.06.2012
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2. ASP: Monster Comet Promises Big Show
... This past spring, as Comet Hyakutake decorated our evening skies, I received a telephone call from an upset parent. We bought our daughter a telescope to see the comet," she said, "and we can't see anything!" The exasperated mother said they found binocular and naked-eye views to be better than those through the telescope. ... They may be bright overall, but all that light is coming from a big area of space. ... OK, you say, I found Comet Hale-Bopp this evening. ... Does the comet have a tail? ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/36/comet4.html -- 10.2 Кб -- 02.10.2012
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3. APOD: 2009 December 16 - Comet Hyakutake Passes the Earth
... 2009 December 16 . Comet Hyakutake Passes the Earth . ... Explanation: In 1996, an unexpectedly bright comet passed by planet Earth. Discovered less than two months before, Comet C/1996 B2 Hyakutake came within only 1/10th of the Earth-Sun distance from the Earth in late March. At that time, Comet Hyakutake, dubbed the Great Comet of 1996 , became the brightest comet to grace the skies of Earth in 20 years. ... New Mirror: APOD now available in Romanian from Romania . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap091216.html -- 6.2 Кб -- 07.04.2010
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4. Comet Schwassmann Wachmann 3 Passes the Earth
... Comet Schwassmann Wachmann 3 Passes the Earth . ... Last week, dedicated astrofilmographers were able to take advantage of the close approach of crumbling 73P / Comet Schwassmann-Wachmann 3 to make time-lapse movies of the fast-moving comet. ... Fragment B of Comet Schwassmann-Wachmann 3 became just barely visible to the unaided eye two weeks ago but now is appearing to fade as the comet has moved past the Earth and nears the Sun. ... Publications with keywords: comet . ... Comet Holmes Over Hungary...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/2006-05-23 -- 14.2 Кб -- 23.05.2006
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5. Stargazing in May | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Sun . ... Our Galaxy . ... The meteors are expected to radiate from the constellation of Aquarius but can appear anywhere in the sky throughout the peak time as the constellation of Aquarius wonтАЩt rise above the horizon until the early hours of the morning. ... A constellation worth looking out for this month is Bootes the Herdsman, not only does it contain one of the brightest stars in the nightтАЩs sky but it also contains many galaxies. ...
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Ссылки http://www.armaghplanet.com/blog/stargazing-in-may-2.html -- 49.6 Кб -- 09.04.2016
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6. When will Comet Halley next pass near Earth? Are there any other comets that
... An artificial comet holds secrets to Earths life . ... Supernova showered Earth with radioactive debris . ... Get to Know the Night Sky . ... When will Comet Halley next pass near Earth? Are there any other comets that will come close enough to our planet that people in the United States can see it at night? ... Comet Halley will return to the inner solar system in 2061. ... Get instant access to subscriber content on Astronomy.com! ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2012/07/visitors-from-beyond -- 63.4 Кб -- 10.04.2016
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7. Planet Finder Options I: Linear Nulling Arrays for Studying Earth-Like Planets
... Planet Finder Options I: Linear Nulling Arrays for Studying Earth-Like Planets . ... Missions . ... Future Missions and . ... Missions Office . ... This paper shows options for configuring a symmetric linear nulling array as a Planet Finder. Of special interest are linked in-line pairs of identical sub-arrays with a quarter wave phase shift between them and staggered by half an element spacing. ...
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Ссылки http://www.stsci.edu/institute/conference/planets/prog43.html -- 9.3 Кб -- 10.04.2016
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8. Arecibo Radar Discovers Triple Near-Earth Asteroid
Image credit: Michael Nolan, Arecibo Observatory. These radar images of near-Earth asteroid 2001 SN263 were obtained on 2008 Feb 12 and 13. ... Image from Feb 12 . ... First near-Earth triple asteroid discovered by Arecibo Observatory . ... was discovered this week by astronomers at the sensitive radar telescope at Cornell University?s Arecibo Observatory in Puerto Rico. ... For example, Arecibo has discovered more than half of the near-Earth binary asteroid systems discovered since 1999. ...
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Ссылки http://www.naic.edu/~pradar/asteroids/2001SN263/ -- 7.7 Кб -- 23.02.2008
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9. THE AUSTRALIAN NATIONAL UNIVERSITY
... The chances of the Earth being hit by a comet from beyond Pluto — А la Armageddon — are much lower than previously thought, according to new research by an ANU astronomer. ... I calculate that small comets, capable of destroying a city, only hit the Earth once every 40 million years or so,” Dr Francis said. ... But asteroids and short-period comets come past again and again, so if we’re clever enough we can find them all and predict which, if any, will hit the Earth,” said Dr Francis. ...
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Ссылки http://www.mso.anu.edu.au/pfrancis/comets/release.htm -- 16.1 Кб -- 06.09.2005
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10. APOD: November 12, 1996 - Comet Hale-Bopp Passes M14
... November 12, 1996 . Comet Hale-Bopp Passes M14 . ... Explanation : Comet Hale-Bopp continues its slow trek across the night sky, and can now be seen superposed near the bright globular cluster M14 . Will Comet Hale-Bopp become as bright in early 1997 as Comet Hyakutake did in early 1996? It is still too early to tell. ... Because of the size of coma , some speculate that the nucleus of Hale-Bopp is unusually large. ... Tomorrow's picture: Seven Jets from Comet Hale-Bopp . ... About APOD . ...
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Ссылки http://www.sai.msu.su/apod/ap961112.html -- 4.2 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Comete/ap961112.html -- 4.1 Кб -- 20.12.2000
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Comete/ap961112.html -- 4.1 Кб -- 20.12.2000
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11. Finding the Bivariate Brightness Distribution of galaxies from an HI selected
... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Finding the Bivariate Brightness Distribution of galaxies from an H I selected sample . ... A method is presented that will enable the bivariate luminosity/surface brightness distribution of galaxies to be determined from a relatively small H I selected sample. ... PICASSO - an automated galaxy finder . ...
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Ссылки http://www.atnf.csiro.au/pasa/16_1/minchin/paper/index.html -- 51.7 Кб -- 08.04.2016
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12. Phil Plait's Bad Astronomy: Bad TV
... Bad Astronomy . ... Bad Astronomy : Comets whiz across the sky in a few seconds. Good astronomy : Comets appear to move very slowly, usually taking days to noticeably move. ... The orbital periods of comets are measured in years; the most famous comet of all, Comet Halley (usually--- and incorrectly-- called ``Halley's Comet''), takes about 76 years to orbit the Sun just once. ... Now, when a comet gets near the Earth, it tends to be moving pretty quickly. ... Want to know more about comets? ...
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Ссылки http://www.badastronomy.com/bad/tv/comet.html -- 20.6 Кб -- 09.04.2016
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13. The Galaxy Gallery: Messier Objects
M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...
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Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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14. Galileo Finds Giant Iron Core in Jupiter's Moon Io
Jupiter's volcano-pocked moon Io has been found by NASA's Galileo spacecraft to have a giant iron core that takes up half its diameter, scientists report in today's issue of Science magazine. The spacecraft also has detected a large "hole" in Jupiter's magnetic field near Io, leading to speculation about whether Io possesses its own magnetic field. ... Galileo scientists also are trying to determine the cause of the hole they found in Jupiter's magnetic field when the spacecraft was closest to Io. ...
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Ссылки http://www.iki.rssi.ru/solar/eng/galpr4.htm -- 8.4 Кб -- 15.10.1997
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15. http://www.eso.org/public/news/eso1210/kids/
... It s because some sunlight bounced off the Earth and dimly lit the side of the Moon that is facing away from the Sun. ... Recently, astronomers used earthshine to help in the search for aliens. Signs of life can be found in the quantities of particular gases in a planet s atmosphere, such as oxygen, ozone, methane and carbon dioxide. And astronomers can work out what gases are in a planet s atmosphere by studying the light that bounces off them their planetshine . ...
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Ссылки http://www.eso.org/public/news/eso1210/kids/ -- 11.1 Кб -- 11.04.2016
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16. Lowell Observatory Near-Earth Object Search - LONEOS, AstroGuide Listing
The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . LONEOS is a system designed to find Earth-crossing asteroids (ECAs) and comets (ECCs), collectively known as near-Earth objects (NEOs). ... Listed Since July 15, 1998 . ... Web Site . http://www.lowell.edu/users/elgb/loneos_disc.html . ... Web . www.astronomy.net . About Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
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Ссылки http://www.astronomy.net/astroguide/ag266.html -- 12.5 Кб -- 09.04.2016
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17. http://selena.sai.msu.ru/Rod/Publications/ms40/21_Dolitsky_etal.pdf
... 3 Sternberg State Astronomical Institute, Moscow, :jeanna@sai.msu.ru The graphic method of the analysis of an arrangement of linear structural elements on geographical and geological maps of continents (A.V.Dolitsky, [1]) has allowed to find out global stress fields of the past and among them one which directions (the main normal and maximal tangents) describe more than 80 % of all linear elements of a relief. ... The found poles share program way on density of an arrangement on 3-4 groups. ...
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Ссылки http://selena.sai.msu.ru/Rod/Publications/ms40/21_Dolitsky_etal.pdf -- 683.3 Кб -- 06.10.2008
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18. Parallax
... Section M-7 describes the basic problem of trigonometry (drawing on the left): finding the distance to some far-away point C, given the directions at which C appears from the two ends of a measured baseline AB. ... That means that the angle ? ... 2? r covers an angle 360њ . ... Suppose you want to estimate the distance to some distant landmark--e.g. a building, tree or water tower. ... Alpha Centauri, the sun-like star nearest to our solar system, has a distance of 4.3 years and a parallax of 0.75"....
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Sparalax.htm -- 13.1 Кб -- 21.12.2007
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Sparalax.htm -- 13.1 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Sparalax.htm -- 13.1 Кб -- 22.12.2007
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19. AAL Homepage
MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...
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Ссылки http://www.aal.lu/HIGHLIGHTS_1970-2000/ -- 22.1 Кб -- 09.04.2016
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20. Comet Hyakutake: The Great ?Earthgrazing? Comet of 1996 ? Amateur Astronomers
... Home Articles Comet Hyakutake: The Great ?Earthgrazing? Comet of 1996 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... Comet Hyakutake: The Great "Earthgrazing" Comet of 1996 . A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
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Ссылки http://www.aaa.org/articles/comet-hyakutake-the-great-earthgrazing-comet-of-1996/ -- 104.2 Кб -- 10.04.2016
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