... 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 Observatory
• Japanese Discover Large Earth Crossing Asteroid

... Credit Copyright: David A. Aguilar ( CfA ) Explanation: Even though Kepler-78b is only slightly larger than the Earth, it should not exist. ... Illustrated above in comparison with the Earth, Kepler-78b was discovered by eclipse with the Earth-orbiting Kepler spacecraft and further monitored for subtle wobbles by the HARPS - North , a spectrograph attached to the 3.6-meter Telescopio Nazionale Galileo in the Canary Islands . ... Publications with keywords: extrasolar planet . ...

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• Spiral Eddies On Planet Earth
• Moon, Venus, and Planet Earth
• Earth size Kepler 186f

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2013 September 14 . A Landing on Planet Earth . Image Credit: NASA , Bill Ingalls . Explanation: With parachute deployed and retro-rockets blazing, this spacecraft landed on planet Earth on September 11 (UT) in a remote area near the town of Zhezkazgan, Kazakhstan. ... About APOD | ... NASA Web Privacy Policy and Important Notices . ...

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• APOD: 2013 September 19 - Moon, Venus, and Planet Earth
• APOD: 2011 September 27 - Flying over Planet Earth
• APOD: 2012 September 4 - Hurricane Paths on Planet Earth

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Planets . ... This bizarrely shrunken planetary system was found by NASAтАЩs Kepler mission, hence the parent star has been named Kepler-11. ... Planetary scientist and Kepler science team member Jack Lissauer said ?These six planets are mixtures of rock and gases, possibly including water.тАЭ ?аNone of these strange new worlds are likely to be home to any form of life; their surface conditions are simply too extreme. ...

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• The Blue Planet | Astronotes
• Earth | Astronotes - Part 2
• COROT-7b: Exoplanet with a sky made of stone | Astronotes

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. September 4, 1998 . Nozomi: Earth and Moon . Credit: Nozomi MIC Team , ISAS . ... This stunning picture of the crescent Earth-Moon system was taken by Nozomi's onboard camera on July 18 from a point in space about 100,000 miles from the Earth and 320,000 miles from the Moon. ... About APOD > . ...

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• APOD: 2000 October 28 - Moonrise, Planet Earth
• Sun, Planet and Satellite Data
• On line Resources

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

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• Phil Plait's Bad Astronomy: Misconceptions
• Phil Plait's Bad Astronomy: Mad Science

... 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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• Other Worlds From Earth
• Detection of Earth-like Planets with the COROT Space Mission
• . Reaching, and Striding Beyond Earth .

... For a timeline of the exploration of the magnetic environment of the Earth, Sun and Planets, see here . ... Galileo Galilei (1564-1642) builds the first astronomical telescope and observes for the first time craters on the Moon, satellites around Jupiter, and the way Venus goes through phases like the Moon (crescent, etc.) ... 17 December--First successful flight by the Wright brothers at Kitty Hawk, North Carolina. ... 16 March--Goddard launches his first liquid-fuel rocket. ...

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• Earth [Oulu]
• Saturn [Oulu]
• Medium

home publications > mercury . ... Publications of the ASP (PASP) . ... Flattening the Earth . ... Contrary to popular folklore, medieval Europeans knew Earth was a sphere, and with the notable exception of Christopher Columbus, most had a pretty good idea of its true size. One of the few things that everybody "knows" about medieval Europe is that people thought Earth was flat. ... In fact, virtually no educated person in the Middle Ages (roughly defined as 500-1500 A.D.) believed Earth was flat. ...

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• ASP: Responsible Exploration
• ASP: Searching for Earth's History Among Earth-like Worlds
• ASP: Mercury Spring 2011

... 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
• We often read of discovering exoplanets. How far away from Earth would we be
• Kepler astronomers discover ancient star with five Earth-sized planets |

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

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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• Ed Rivera-Valentin
• solar system exhibit
• Solar System Studies at AO

... The 50 so-called exo-planets were discovered using a telescope that is found in South America. ... By looking at a star s wobble, astronomers can work out how many exo-planets are in orbit around it and how heavy they are. After studying all of the planets discovered with this telescope so far, astronomers have found that nearly half of stars that are similar to the Sun have at least one planet that is lighter than Saturn. ... But there are many, many more waiting to be found! ...

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• The Earth-like Planet Gliese 581 c (artist's impression)
• The Earth-like Planet Gliese 581 c (artist's impression) | ESO
• Animation of artistтАЩs impression of the super-Earth planet HD 85512 b | ESO

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Parkes | ... Cosmic engine for senior students . ... The Sun . The Sun is vital for life on Earth. ... The Sun is a typical star, emitting electromagnetic radiation and particles that influence the Earth . ... In the meantime you can view material on the Sun and its influence on Earth written for the first version of the new syllabus here . ...

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• ASKAP News
• Early Scientific Results
• Archive of VLBI Observations Majordomo List

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

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• Magnetism ADB
• Heliophysical Laboratory of IZMIRAN (Solar-Terrestrial Physics Division)

... 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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• CURRENT ASPECTS OF REMOTE SENSING OF EARTH FROM SPACE
• Space Research Institute (IKI) Seminar
• The Earth's Magnetosphere-- History

... The main topics of the Conference were: 1. ... Asteroid-comet hazard (origin and dynamic evolution of objects approaching the Earth, observations, physical properties, cataloguing, data bases, estimation of collision probability with the Earth and other bodies). ... 5) In this connection the problem of concluding the international political agreement within the frames of UN about common active counteractions to the bodies on the orbits leading to collisions with the Earth is urgent. ...

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• Keywords_146
• Laboratory of minor bodies of Solar system
• Keywords_390

Johann Kepler - a Legislator of the Sky. The laws of the planets movements put by Johann Kepler destroyed the thousand year old dogmas about the circles and spheres and opened the way to scientific understanding of celestial occurrences. ... The best object for observation was Mars - its orbit unlike the Earth's one has a noticeable eccentricity, the rotation period in comparison with Jupiter and Saturn is not too long and observation conditions are better than for Mercury and Venus. ...

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• earthe
• smalltelae
• antichnoste

Spinning discs in space Mass feeding and feedback in YSOs . ScienceAlert Ever wonder how solar-mass stars form? By Tim Wetherell. Sticking to the stars . The complex processes creating accretion discs . ... Disks, Winds and Jets: From Planets to Quasars . ... Theory and modelling of accretion processes . Protoplanetary discs . ... Star formation . Jets and winds . ... Email: raquel@mso.anu.edu.au . ... Webpage: http://www.mso.anu.edu.au/~raquel/ . ...

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• Michele Bannister - Research
• Siding Spring Survey
• Atmospheres