Найдено документов: 313040 (185 сайтов) ---- Время поиска: 0.98сек. |
Показаны документы, содержащие фрагменты текста из документа
http://www.astronet.ru/db/xware/msg/1161711.
http://www.astronet.ru/db/xware/msg/1161711.
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
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>5197) - star.arm.ac.uk/ )
2. Julius Caesar and Leap Days
Astronomy Picture of the Day . ... Advised by Alexandrian astronomer Sosigenes , Roman dictator Julius Caesar , pictured above in a self-decreed minted coin, created a calender system in 46 BC that contained one leap day every four years. ... This "Julian" calender system was used until the year 1582 when Pope Gregory XIII added that leap days should not occur in years ending in "00" except if divisible by 400, providing a further fine tuning. ... Publications with words: Julius Caesar - Leap Days . ...
[
Сохраненная копия
]
Ссылки http://www.astronet.ru/db/xware/msg/apod/1996-03-01 -- 14.8 Кб -- 30.12.2009
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>129964) - www.astronet.ru/ )
3. APOD: February 29, 1996 - Julius Caesar and Leap Days
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 29, 1996 . Julius Caesar and Leap Days . ... Explanation: Today, February 29th , is a leap day - a relatively rare occurrence. Advised by Alexandrian astronomer Sosigenes , Roman dictator Julius Caesar , pictured above in a self-decreed minted coin, created a calender system in 46 BC that contained one leap day every four years. ...
[
Сохраненная копия
]
Ссылки http://www.sai.msu.su/apod/ap960229.html -- 5.2 Кб -- 02.10.2012
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>5980) - www.sai.msu.su/ )
4. 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
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>491) - www.badastronomy.com/ )
5. Estimating the Moon's Distance
... The Round Earth . ... Aristarchus around 270 BC derived the Moon's distance from the duration of a lunar eclipse (Hipparchus later found an independent method). ... Let R be the radius of that circle and T the time it takes the Moon to go around once, about one month. ... Viewed from Earth, a "new Moon" (occuring between the time a thin crescent is last seen before sunrise and the time one is seen shortly after sunset) happens when the Moon in its apparent motion around the sky overtakes the Sun. ...
[
Сохраненная копия
]
Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Shipprc2.htm -- 10.6 Кб -- 21.12.2007
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Shipprc2.htm -- 10.6 Кб -- 22.12.2007
Похожие документы
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Shipprc2.htm -- 10.6 Кб -- 22.12.2007
Похожие документы
Еще в разделе:
(Показать все результаты (>1146) - www.cosmos.ru/ )
6. http://www.astrosociety.org/edu/activities/MercuryTransitOrbitAll.doc
... Transits do not happen every time Mercury passes between the Earth and Sun because their orbits are not in exactly the same plane, as we will see in this activity. ... Transits of Mercury occur at only two times during the year (but not every year). ... Can you tell which two months the orbits of Earth and Mercury are in line with the Sun? _____________________ and ________________________ [pic] ----------------------- ( Transits of Mercury occur at only two times during the year (but not every year...
[
Текст
]
Ссылки http://www.astrosociety.org/edu/activities/MercuryTransitOrbitAll.doc -- 55.5 Кб -- 02.10.2012
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>1511) - www.astrosociety.org/ )
7. Dave Berry on Near Earth Objects. The Miami Herald | 02/10/2002 | Asteroid
... 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. ...
[
Сохраненная копия
]
Ссылки http://www.winer.org/Science/Dave_Berry_on_Near_Earth_Objects.php -- 13.3 Кб -- 09.04.2016
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>63) - www.winer.org/ )
8. 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
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>2854) - www.armaghplanet.com/ )
9. Cosmic Engine: The Sun and its Influence on Earth
... 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 . ...
[
Сохраненная копия
]
Ссылки http://www.atnf.csiro.au/outreach/education/senior/cosmicengine/suntop.html -- 51.5 Кб -- 10.04.2016
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>22007) - www.atnf.csiro.au/ )
10. 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
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>16602) - www.stsci.edu/ )
11. FAQ: "The Great Magnet, the Earth"
... Listed below are questions submitted by users of "The Great Magnet, the Earth" and the answers given to them. ... In "The Exploration of the Earth's magnetosphere" on the magnetic environment of the Earth in space (a few Q duplicated here) . ... 11) Magnetic Shielding . ... 51) Can electricity be generated from the Earth's magnetic field? ... 9) Measuring Earth's magnetic field . ... 6) Reversals of the Earth's field (4 queries) . ... 42) Could generated electricity affect Earth's magnetic field? ...
[
Сохраненная копия
]
Ссылки http://www.iki.rssi.ru/mirrors/stern/earthmag/mgQsubj.htm -- 14.7 Кб -- 20.03.2006
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>957) - www.iki.rssi.ru/ )
12. APOD: February 9, 1999 - A Supernova Starfield
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. February 9, 1999 . A Supernova Star-Field . Credit: Hubble Heritage Team ( AURA / STScI / NASA ) . Explanation: Bright stars don't last forever. ... The above picture is a composite of recent images taken over several years. The explosion originated from a bright massive star that ran out of nuclear fuel . ... About APOD > . ...
[
Сохраненная копия
]
Ссылки http://www.sai.msu.su/apod/ap990209.html -- 4.5 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Stelle/sn1987a_heritage_big.html -- 4.4 Кб -- 02.02.2001
Похожие документы
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Stelle/sn1987a_heritage_big.html -- 4.4 Кб -- 02.02.2001
Похожие документы
Еще в разделе:
(Показать все результаты (>8006) - www.arcetri.astro.it/ )
13. Spacecraft 'Aist-2D' can be 'seen' through the earth
... Pre-university education . ... Samara region . ... A small spacecraft Aist-2D , developed by the scientists of Samara State Aerospace University (SSAU) and the experts of the Rocket and Space Centre Progress will see from outer space what is hidden under the thick top of trees and below the Earth's surface. The radar equipment was installed on Aist-2D , which was delivered to the space launcher complex Vostochniy on January 22. ... Tomography of the Earth's ionosphere will also be carried out. ...
[
Сохраненная копия
]
Ссылки http://www.ssau.ru/engnews/12415/ -- 26.3 Кб -- 22.03.2016
Похожие документы
Похожие документы
14. Lecture Series 2010-2011 ? ?Greening the Earth Using Space Resources? by Greg
Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
[
Сохраненная копия
]
Ссылки http://www.aaa.org/lectures/lecture-series-2010-2011/lecture-series-2010-2011-greening-the-earth-using-space-resources-by-greg-matloff/ -- 100.9 Кб -- 10.04.2016
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>620) - www.aaa.org/ )
15. INTERNATIONAL SPACE STATION
... PROGRESS M-47 CARGO VEHICLE . ... The Russian cargo vehicle Progress M-47 launched from the Cosmodrome Baikonur on 2nd of February, 2003 docked today to the International Space Station (ISS) after the 2 days autonomous flight on the near-earth orbit. ... Transport cargo vehicle Progress M-47 is launched into the low earth orbit. ... Prelaunch processing activities to launch Progress M-47 cargo vehicle to the International Space Station are in progress at Baikonur cosmodrome. ... SEA LAUNCH | ...
[
Сохраненная копия
]
Ссылки http://www.energia.ru/eng/iss/iss06/progress-m-47/photo_archive-progress-m-47.html -- 13.0 Кб -- 18.08.2009
Похожие документы
Похожие документы
16. Earth orientation updates
... Edit the file oyster/usno/cronjob to contain the proper path to the update shell script, and then use the command . crontab cronjob . ... Otherwise, the database usno/mark3.dat obtained with the download will not be updated and eventually will not provide Earth orientation data for the date observed. In this case, a warning message will be displayed, which, however, can usually be ignored in all cases but astrometry. Christian Hummel 2015-04-28 ...
[
Сохраненная копия
]
Ссылки http://www.eso.org/~chummel/oyster/manual/node10.html -- 3.5 Кб -- 28.04.2015
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>35193) - www.eso.org/ )
17. 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
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>959) - www.astronomy.ru/ )
18. If the Sun suddenly disappeared, it would take about eight minutes for Earth to
... Supernova showered Earth with radioactive debris . ... If the Sun suddenly disappeared, it would take about eight minutes for Earth to become dark (due to the speed of light). How long would it take to feel the absence of the Sunт??s gravity? ... According to Albert Einsteinт??s general theory of relativity, if the Sun were to suddenly disappear, Earth would feel the absence of the Sunт??s gravity in the same time it would take for it to т??feelт?? the absence of the Sunт??s light. ...
[
Сохраненная копия
]
Ссылки http://www.astronomy.com/magazine/ask-astro/2012/05/gravity---the-traveler -- 63.4 Кб -- 10.04.2016
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>6369) - www.astronomy.com/ )
19. Near Earth Asteroid Rendezvous (NEAR)
... Р?С?С?С?Р?Р?Р?Р?РеС?Р?С?Р?РеР? ... Launched on February 17, 1996, the Near Earth Asteroid Rendezvous (NEAR) mission is to be the first of NASA's Discovery missions, a series of small-scale spacecraft designed to proceed from development to flight in under three years for a cost of less than $150 million. ... The ultimate goal of the mission is to rendezvous with and achieve orbit around the near Earth asteroid 433 Eros in February, 1999, and study the asteroid for approximately one year. ...
[
Сохраненная копия
]
Ссылки http://astro-all.narod.ru/asteroids/near.htm -- 15.3 Кб -- 09.04.2016
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>2) - astro-all.narod.ru/ )
20. Formation of the Earth's Moon
.
[
Сохраненная копия
]
Ссылки http://zebu.uoregon.edu/1996/ph123/l11.html -- 4.7 Кб -- 10.09.1998
Похожие документы
Похожие документы
Еще в разделе:
(Показать все результаты (>444) - zebu.uoregon.edu/ )
Астронет | Научная сеть | ГАИШ МГУ | Поиск по МГУ | О проекте | Авторам
Комментарии, вопросы? Пишите: info@astronet.ru или сюда