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Показаны документы, содержащие фрагменты текста из документа
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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 . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/impact-hazard/ -- 11.3 Кб -- 29.06.2012
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2. The Celestial Sphere--lesson plan #1a
An introduction to the celestial sphere, describing its . apparent rotation and the special role of the pole star. ... This lesson plan supplements the web page listed below. Originally named "The sky above us" , it was split into two parts, each of which now has a lesson plan. ... Celestial sphere, constellation, zodiac, celestial pole, the Pole Star ("Polaris"), celestial equator, rotation of the Earth, planets [theodolite, equatorial axis]. ... What makes the Pole Star special? ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Lcelsph.htm -- 11.0 Кб -- 12.04.2005
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Lcelsph.htm -- 11.0 Кб -- 22.12.2007
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3. Kepler-10c: the First Mega-Earth | Astronotes
... 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? ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/kepler-10c-the-first-mega-earth.html -- 44.9 Кб -- 09.04.2016
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4. XWare > APOD
... Mars Rover at Victoria Crater Imaged from Orbit . ... Our Earth is not at rest. ... Dusty NGC 1300 . ... Dusty NGC 1333 is seen in visible light as a reflection nebula, dominated by bluish hues characteristic of starlight reflected by dust. ... Scroll right to see the largest crater yet visited by a rover on Mars. Reaching the expansive Victoria Crater has been a goal for the robotic Opportunity rover rolling across Mars for the past 21 months. ... APOD: 2006 October 1- Earth at Night . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/apod.html?page=97&d=2009-05 -- 15.3 Кб -- 12.04.2016
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5. ASP: To Every Season There is a Reason
... If the Earth is round, the Sun must be north of the equator in northern summer, and south of the equator in northern winter. ... From the Earth's perspective, the Sun is spiraling from north to south and back again along the ecliptic (see figure 7 ). ... The round Earth, at the summer solstice. ... If the rotation axis of the Earth is tilted with respect to its orbit, the equator bobs back and forth, causing the Sun to be north for half the year, and south for the other half (see figure 9 ). ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/29/season4.html -- 12.7 Кб -- 02.10.2012
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6. Discovery of the Solar System
Aristarchus of Samos, around 200 BC, proposed that the Earth revolved around the Sun, but found few supporters. ... For a discussion of the discovery of the solar system which includes a "moving picture" illustrating retrograde motion, click here . ... The Sun and Moon, he claimed, obviously moved around Earth. ... The full story of the discovery of the solar system--of Copernicus, Galileo, Tycho and Kepler--is long and would take this discussion too far afield. ... Nicolaus Copernicus . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Ssolsys.htm -- 11.1 Кб -- 21.12.2007
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7. 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. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~pradar/asteroids/2001SN263/ -- 7.7 Кб -- 23.02.2008
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8. APOD: 2015 March 18 - Earth During a Total Eclipse of the Sun
... 2015 March 18 . Earth During a Total Eclipse of the Sun . Image Credit: Expedition 12 Crew , NASA . Explanation: What does the Earth look like during a total solar eclipse? It appears dark in the region where people see the eclipse, because that's where the shadow of the Moon falls. ... The featured image shows the Earth during the total solar eclipse of 2006 March , as seen from the International Space Station . ... About APOD | ... NASA Web Privacy Policy and Important Notices . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap150318.html -- 5.1 Кб -- 10.04.2016
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9. Phil Plait's Bad Astronomy: Misconceptions
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bad/misc/moon_spin.html -- 21.9 Кб -- 09.04.2016
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10. earthe
The Earth. ... The middle raiding of the Earth is 6371,032 km, the pole 6356,777 km equatorial - 6378,160 km. The Earth surface area is 510,2 mln km^2, 70,8% of which is the World ocean. ... According to the modern cosmogonical views the Earth was formed 4,6 - 4,7 billions years ago from the protoplanet cloud captured by the Sun. ... The Earth is conditionally divided into 3 parts: a bark a cloak and a core (in the centre). The external layer - the bark is 35 km thick. ... Above the Earth. ...
[ Сохраненная копия ]  Ссылки http://www.space.vsi.ru/zemliae.htm -- 9.3 Кб -- 14.10.2000
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11. The Russian TESIS Observatory will observe two solar eclipses from space
... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...
[ Сохраненная копия ]  Ссылки http://www.tesis.lebedev.ru/en/info/tesis_20090720_en.php -- 13.4 Кб -- 01.10.2012
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12. Educator's Guide to Eclipses
Educator's Guide to Eclipses . ... In a solar eclipse you observe the Sun (using only safe methods, of course). ... In a lunar eclipse you observe the Moon. ... Because of the geometry described below, you can only view a solar eclipse when the Sun is up, and the Moon is nowhere to be seen. ... Eclipses occur when the Sun, Earth and Moon line up. ... In a solar eclipse the Moon passes directly in front of the Sun. ... In a lunar eclipse the Moon moves into Earth's shadow. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/solar/eng/edu/eclipses.htm -- 5.8 Кб -- 15.10.1997
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/edu/eclipses.htm -- 6.6 Кб -- 15.03.1998
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13. http://www.eso.org/public/news/eso1414/kids/
... Not so long ago, Space Scoop explained that right this moment you re hurtling through space at hundreds of thousands of kilometres per hour! ... We call the time it takes Earth to complete one full rotation a day . ... But the length of one rotation and one orbit can be different on other planets. For example, one orbit (or year ) on Mercury takes just 87 Earth days. ... The length of day is also different on other planets. For example, one day on Jupiter lasts just 10 Earth hours. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/public/news/eso1414/kids/ -- 11.0 Кб -- 11.04.2016
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14. Other Worlds From Earth
... 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. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/exined/OtherWorlds.html -- 3.0 Кб -- 14.02.1997
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15. Why do aurorae appear strongest within rings centered on Earth's poles instead
... Gift Center . ... Why do aurorae appear strongest within rings centered on Earth's poles instead of filled-in circles? ... RELATED TOPICS: AURORAE . The visible aurorae result from electrons that move along magnetic field lines from space into the upper atmosphere. ... Just make sure you're registered with the website. Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2013/10/auroral-zones -- 63.8 Кб -- 10.04.2016
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16. Earth
. Previous slide . Next slide . Back to first slide . View graphic version .
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/pfrancis/roleplay/MysteryPlanet/mountains/tsld027.htm -- 2.0 Кб -- 17.03.2004
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17. Lunar Libration - an Astronomy Net Article
Lunar Libration . Articles | ... Actually, a slight rocking motion, called libration,* makes about 59% of the Moon's surface visible from our planet Earth -- though only 50% at any one time. ... Add to that, the approximate 1.5 degree tilt of the Moon's equator to the ecliptic, and you have the inclination of the Moon's equator to the plane of its orbit around Earth at some 6.5 degrees (5 + 1.5 = 6.5). ... Re-published on Astronomy Net with permission of the author. ... www.astronomy.net . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/articles/21/ -- 14.8 Кб -- 09.04.2016
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18. The AstroStat Slog Earth
... Posts tagged ?Earth? ... Posted by vlk . There is a new report from Bernabei et al. ( arXiv:0804.2741 ) of the direct detection of the effects of Dark Matter that is causing a lot of buzz. ... Category: arXiv , News | 2 Comments . ... Tags: astrostatistics , curve fitting , Earth , ellipses , epicycles , Galileo , history , inference , iTunesU , Kepler , Mars , Owen Gingerich , planetary motion , Ptolemy , Quotes . ... Entries RSS . Comments RSS . ... Entries (RSS) and Comments (RSS) . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/earth/index.html -- 24.6 Кб -- 01.03.2014
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19. arxiv:0709.0752 Sky in Google Earth - Научная панорама
... Научная панорама ? arxiv:0709.0752 Sky in Google Earth . ... arxiv:0709.0752 Sky in Google Earth (Sky in Google Earth: The Next Frontier in Astronomical Data Discovery and Visualization) . ... Описан проект <A HREF=" http://earth.google.com/sky/index.html ">Sky in Google Earth</A>. ... http://xray.sai.msu.ru/~polar/sci_rev/167.html#arxiv/0709.0752 . ... Еще они нам сказали, что image processing для DSS2 какие-то фонари в Гуггле делали 2 года!! ... А черт знает что там они делали два года. ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.ru/forum/index.php/topic,30810.0.html -- 42.7 Кб -- 10.04.2016
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