... 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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• Armagh Astropark: The Planets
• The Earth goes round the Sun | OASES Over us All is the SElfsame Sky | OASES

... Planets . ... Earth Satellites . ... The newly discovered ?mega-Earth? ... Its sibling, the lava world Kepler-10b, is in the background (the two planets? proximity is grossly exaggerated) .€а Kepler-10c has a diameter of about 29 000 km, 2.3 times as large as Earth, and weighs 17 times as much. ... The first mega-earth to be discovered is Kepler-10c which orbits a star lying about 560 light years from the Sun in the constellation Draco. ... Astronomers Find a New Type of Planet: The ?Mega-Earth? ...

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• Most Earth-like exoplanet found by ESO | Astronotes
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• Kepler-11: a strange and crowded planetary system | Astronotes

... 2003 March 5 . Where People Live on Planet Earth . ... Explanation: Where do people live on Planet Earth ? Although people inhabit every continent , the highest population densities occur in Asia . Sparsely inhabited regions occur on virtually every continent, however, including the Sahara Desert in Africa , the Great White North of North America , the outback of Australia , the Amazon of South America , and the Himalayan Mountains of Asia . ... About APOD | ... NASA Technical Rep.: ...

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• APOD: 2009 April 4 - Star Party on Planet Earth
• APOD: 2013 September 19 - Moon, Venus, and Planet Earth
• APOD: 2014 August 17 - Jupiter and Venus from Earth

... Where People Live on Planet Earth . ... 5.03.2003 . ... Credit: NRCS , USDA Explanation: Where do people live on Planet Earth ? Although people inhabit every continent , the highest population densities occur in Asia . ... March 2003 . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: people - Earth . Publications with words: people - Earth . ... Pangea Ultima: Earth in 250 Million Years . ... Rotating Earth from Galileo . ... Welcome to Planet Earth . ...

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• Астронет > Where People Live on Planet Earth
• Moon, Venus, and Planet Earth
• Star Party on Planet Earth

spaceweb@oulu.fi - last update: 12 March 1999, 0935 UT (RR) . ... In first order the magnetic field created by this magnet is that of a dipole whose axis is tilted with respect to the spin axis by about 11 degrees. ... The difference between the dipole axis and geographic axis is one of the reasons why there are so many different coordinate systems needed to describe locations in space around the Earth. The area around the Earth governed by its magnetic field is called the magnetosphere . ...

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• The Path of the Sun, the Ecliptic
• Discovery of the Solar System
• Lagrangian Points

... Bad Astronomy . Misconceptions . ... Bad Astronomy : The Moon only shows one face to us because it is not rotating. Better astronomy : The Moon only shows one face because it is rotating, once every time it revolves around the Earth. ... Place the Moon model on the table about 30 centimeters (one foot) away with the X facing the Earth model. ... You'll see that to keep the X facing the Earth model, you have to rotate the Moon model as it goes around the Earth model . ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
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... 2000 October 28 . Moonrise, Planet Earth . Credit: STS-35 Crew, NASA . ... In the foreground, towering clouds of condensing water vapor mark the extent of the troposphere, the lowest layer of the planet's life-sustaining atmosphere . ... Moon and clouds are strong visual elements of many well known portraits of planet Earth , including Ansel Adams' famous "Moonrise, Hernandez, New Mexico" , photographed in 1941. ... About APOD | ... NASA Technical Rep.: ... A service of: LHEA at NASA / GSFC . ...

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• Dust evolution across the CO snowline in a protoplanetary disk
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• APOD: September 4, 1998 - Nozomi: Earth and Moon

... Click on this icon if you would like to see a collection of snapshots of actual pages from the "Other Worlds from Earth" Electronic PictureBook. ... The Other Worlds from Earth Electronic PictureBook is a HyperCardЁ stack designed to run on a color MacintoshЁ computer with at least 2.5 megabytes of available RAM, sufficient hard disk space to contain the Electronic Picturebook, System 7.0, and HyperCard 2.1 or HyperCard Player 2.1. ...

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• Planet Finder Options I: Linear Nulling Arrays for Studying Earth-Like Planets
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• Institute for Planets and Life

... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...

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• Formation of the Earth
• Intelligent Life On Earth?
• All about Jupiter

Planet Earth only came outside to watch the nightfall with the rain I heard you making patterns rhyme like some new romantic looking for the tv sound you'll see I'm right some other time look now, look all around , there's not sign of life voices, another sound , can you hear me now? this is planet earth , you're looking at planet earth bop bop bop bop bop ...

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• http://crydee.sai.msu.ru/ftproot/pub/rec/music/lyrics/cs-uwp/e/eloy/ocean
• http://crydee.sai.msu.ru/ftproot/pub/rec/music/lyrics/cs-uwp/d/devo/freedom.of.choice
• http://crydee.sai.msu.ru/ftproot/pub/rec/games/idgames/levels/doom2/a-c/cheetah4.txt

... The twilight zone is not just an old television series. ... Most places on Earth pass through the twilight zone twice a day; the result is an enchanting hour at dawn and dusk of low sunlight and long shadows. ... Before assigning your students to watch a sunrise or sunset, have them try the following activities to develop their global sense. ... Armed with a global sense of our spinning planet, go out to watch the sky as your part of the Earth moves through the twilight zone. ...

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• ASP: Searching for Earth's History Among Earth-like Worlds
• ASP: A Good Definition of the Word "Planet": Mission Impossible?
• ASP: This Restless Globe

In ancient times the solar system was thought to be the whole Universe, so the study of planetary motions was cosmology. ... The planets other than the Moon and Sun generally move West to East through the stars, but occasionally stop and move in the opposite direction ( retrograde motion). In order to explain the retrograde motion of the planets, the geocentric model of the Solar System shown above puts the planets on small circles called epicycles . ...

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• Magnetism ADB

... It is much further away from the Sun than the Earth, so its journey around the Sun is much longer. Since a year is the time that it takes a planet to travel once around the Sun, Saturn s years are much longer than a year on Earth. In the time that it takes Saturn to complete one journey around the Sun, 30 years have passed on Earth! Astronomers know that about once each Saturn year that means once every 30 Earth years a massive storm occurs in the planet s normally calm atmosphere. ...

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• http://www.eso.org/public/news/eso1210/kids/
• http://www.eso.org/public/news/eso1414/kids/
• http://www.eso.org/public/news/eso1144/kids/

The radiation belts around the planets are the interrnal regions of planets' magnetospheres where the own magnetic field of a planet keeps the charged particles (protons and electrons) having the great kinetic energy. ... They usually distinguish the Earth's internal and external radiation belts. the internal radiation belt of the Earth has the maximum particles density (mainly protones) over the equator in the height of 22 thousand km. ... Jupiter and Saturn have the powerful radiation belts. ...

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• earthe
• venerae
• Keplere

... Listed below are questions submitted by users of "The Exploration of the Earth's Magnetosphere" and the answers given to them. ... The ones included below are either of the sort that keeps coming up again and again--the danger of solar eruptions, the reversal of the Earth's magnetic field, etc.-- or else the answers make a special point, going into extra details which might interest other users. ... Radiation Belts and Manned Space Flight . ... Capturing the Energy of the Solar Wind . ...

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• The Path of the Sun, the Ecliptic
• Lagrangian Points
• The Sun

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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• Do other planets have meteor showers like Earth has? Can we see them through
• Can Earth-like lightning and thunder occur on a planet or Moon that exhibits
• A planet is forming in an Earth-like orbit around a young star | Astronomy.com

Internet Sites | Children's Books | ... Tilt of the Earth - Beautiful site explaning the tilt of the Earth. ... Nine Planets: Planet Data - It might be fun to discover how tilted the other planets are in the Solar System! ... Bill Nye the Science Guy-Episode: Climates - Learn a bit about the Earth's climates and make a model of a weather system. Weather Links for Teachers and Parents - Nick the Weather Dude's list of useful links about weather. ... Philomel Books, 1995. ... Tilt-A-World | ...

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• Latitudes and Attitudes - Links
• The AstroStat Slog Earth
• Day and Night Links

God Science Forum Message . ... God and Science | ... Pluto Is Not A Planet, But A Moon Of Neptune. ... Pluto Is Not a Planet, but a Moon of Neptune . 60 years ago, at 1947, the late Mohammed Ali Hassan Al-Hilly, said in his book: (The Universe and the Quran), that Pluto is not a planet but a moon of Neptune. ... He said: " Astronomers, however, think that Pluto is a planet, but I say it is merely a moon of Neptune, and actually it is not a planet. ... www.astronomy.net . About Astronomy Net | ...

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• Lunar Libration - an Astronomy Net Article
• Lowell Observatory Near-Earth Object Search - LONEOS, AstroGuide Listing

5th of July 2015 . Planet formation around HD100546 . ... Australia Telescope Compact Array (ATCA) image of the protoplanetary disk around the young star HD100546. This young, massive star is about 100 pc from the Earth and the image shows the thermal emission from the dusty disk seen at a wavelength close to 7 mm. The emission is shaped like a horseshoe, with material from the inner disk being cleared out by an embedded planet. Image adapted from Wright et al. ... today * ATNF | ...

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• Cosmic Engine: The Sun and its Influence on Earth
• Outreach
• planets