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1. Sun vs Super Moon
Astronomy Picture of the Day . Sun vs Super Moon . ... To make it, the Full Moon on May 6 was photographed with the same camera and telescope used to image the Sun (with a dense solar filter!) on the following day. ... And for some the New Moon will be surprisingly easy to compare to the Sun, because on May 20 the first solar eclipse of 2012 will be visible from much of Asia, the Pacific, and North America. ... Publications with keywords: full moon - perigee - apogee - solar eclipse . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1264440 -- 15.3 Кб -- 11.05.2012
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2. APOD: 2012 May 11 - Sun vs Super Moon
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 May 11 . Sun vs. Super Moon . ... Explanation: The Super Moon wins , by just a little, when its apparent size is compared to the Sun in this ingenious composite picture. To make it, the Full Moon on May 6 was photographed with the same camera and telescope used to image the Sun (with a dense solar filter!) on the following day. ...
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Ссылки http://www.sai.msu.su/apod/ap120511.html -- 5.0 Кб -- 03.02.2013
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3. ASP: Point: Where Is the Best Place to View a Solar Eclipse?
... SEARCH ASP SITE: Match ALL words Match ANY word . ... Point: Where Is the Best Place to View a Solar Eclipse? ... As viewers venture away from the center line of the eclipse path, the eclipse lasts for a shorter time (smooth line), but edge effects such as Baily's beads persist for longer (spiked line). ... The eclipse is longest on the center line of the path; the rare view of the Sun's beautiful white outer atmosphere, the corona, which can be seen only during eclipses, is also longest there. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/9701/vanflan.html -- 22.5 Кб -- 20.04.2012
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4. How big are the Lagrangian points? I hear of telescopes orbiting at a certain
... How big are the Lagrangian points? I hear of telescopes orbiting at a certain Lagrangian point, but for these crafts to not interfere with one another, aren't these points more like "Lagrangian areas"? ... RELATED TOPICS: LAGRANGIAN POINTS . ... When you hear about a spacecraft orbiting at a certain Lagrangian point, it really means the probe is traveling within or near one of these extended, three-dimensional islands of orbits. ... Get instant access to subscriber content on Astronomy.com! ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2013/10/lagrangian-points -- 64.1 Кб -- 10.04.2016
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5. 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. ...
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Ссылки http://www.tesis.lebedev.ru/en/info/tesis_20090720_en.php -- 13.4 Кб -- 01.10.2012
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6. 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. ...
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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
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Shipprc2.htm -- 10.6 Кб -- 22.12.2007
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7. The Path of the Sun, the Ecliptic
The apparent path of the Sun across the sky. ... The path of the Sun across the celestial sphere is very close to that of the planets and the moon. ... In one year, as the Earth completes a full circuit around the Sun (drawing above), the Earth-Sun line and its continuation past Earth sweep the entire plane. ... Since the Sun and Earth are in the plane of the ecliptic, the line is automatically in that plane too; if the moon is also on the same line, it must be in the plane of the ecliptic as well. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Secliptc.htm -- 7.8 Кб -- 21.12.2007
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8. Amateur Telescope Makers of Boston
This is a new popup window - close it when you are done . Submitted by Al Takeda on 03/22/2011 12:46:12 . Super Moon . On March 19th a nearly perfect perigee-syzygy occured which made the apparent size of the Moon larger then normal. ... Perigee is the point at which the Moon is closest in its orbit to the Earth and syzygy is a full or new moon, when the Earth, the Moon and the Sun are aligned. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=1738 -- 3.5 Кб -- 10.04.2016
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9. Total Lunar Eclipse May 15-16 - an Astronomy Net Observation_reports Forum
Astronomy Discussion Forums . ... Total Lunar Eclipse May 15-16 . ... Post Message | ... A total Lunar Eclipse. On the night of May 15-16 the Earth will come between the Sun and the Moon casting a shadow that will slowly cover the Moon. ... The last total Eclipse was on a day where it snowed 10? all day. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
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Ссылки http://www.astronomy.net/forums/observation_reports/messages/250.shtml -- 17.2 Кб -- 09.04.2016
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10. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . Misconceptions . ... Bad Astronomy : "That's as remote as the dark side of the Moon!" ... As the tired, hackneyed refrains went on, one in particular caught my ear: " Fly me away to the bright side of the moon, and meet me on the other side." ... As the Moon orbits the Earth, different parts of it get illuminated by the Sun. ... Bad Addendum : At the end of the album "Dark Side of the Moon" by Pink Floyd, there is a voiceover that actually says "There is no dark side of the moon. ...
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Ссылки http://www.badastronomy.com/bad/misc/dark_side.html -- 21.4 Кб -- 09.04.2016
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11. APO Home Page
... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...
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12. APOD: 2001 January 18 - 2001: A Total Lunar Eclipse
... 2001 January 18 . 2001: A Total Lunar Eclipse . ... Explanation: The first and only total lunar eclipse for the year 2001 occured on the evening of January 9/10 as the full Moon glided through Earth's shadow. ... The fact that the northern (top) portion of the eclipsed Moon is clearly brighter, even near mid-totality, demonstrates that Earth's shadow is not uniformly dark. Tomorrow's picture: Black Holes Are Black . ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap010118.html -- 4.2 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Stelle/lunarecl_tezel_big.html -- 4.1 Кб -- 30.01.2001
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Stelle/lunarecl_tezel_big.html -- 4.1 Кб -- 30.01.2001
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13. 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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14. 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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15. Stargazing in March | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . Sun . Moon . ... March . ... A partial solar eclipse seen from Minneapolis, Minnesota, USA on 20 May 21012. Image credit: T. Ruen via wWikimedia.org . ... March also brings around the rare spectacle of a total solar eclipse on the 20 th . ... Jupiter meets the Crab in the March sky (image credit: Samantha Steed/Armagh Planetarium/Stellarium) . ... Image credit: Samantha Steed/Armagh Planetarium/Stellarium) . ...
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Ссылки http://www.armaghplanet.com/blog/stargazing-in-march.html -- 52.8 Кб -- 09.04.2016
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16. Vladimir Marsakov Publication List
Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...
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Ссылки http://ip.rsu.ru/~marsakov/conf/paper1/conf1_1.htm -- 9.3 Кб -- 02.02.2007
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17. antichnoste
Aristarch is Copernic of Classic World. ... First Aristarch determined the fact for how many times the Sun was father then the Moon and then he compared the Sun and the Moon with the Earth. ... Only the Moon rotates around the Earth. ... Gipparch suggested that the Sun turned around the Earth steady and in circumference but the Earth is displaced according its centre. ... The orbit point in which the Sun is nearer to the Earth Gipparch called perigee and the most remote one he called apogee . ...
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Ссылки http://www.space.vsi.ru/antichnoste.htm -- 6.6 Кб -- 14.10.2000
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18. http://hea-www.harvard.edu/ECT/pdf/phases.pdf
Phases of the Moon Phases of the Moon are not caused by the Earth's shadow. They are due to a change in our viewing perspective as the Moon orbits around us as it is lit by the Sun. ... The Earth spins in the light, so that the entire Earth gets to be lit at some point each day. Even though the Moon is always half-lit like the Earth is, sometimes we on the Earth see only a tiny bit lit, other times completely lit, depending on where the Moon is in its orbit around the Earth. ... Look at Day 7. ...
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Ссылки http://hea-www.harvard.edu/ECT/pdf/phases.pdf -- 23.2 Кб -- 21.01.1999
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19. Los Cielos de Am , The darkest sky and the two galactic hemispheres
I was wondering what conditions should be met to have the "darkest" sky .. ... Upon the above publication of the Southern Galactic hemisphere, TunГ Tezel started seeking opportunities to create the Northern counterpart image. ... So, the initial quest of having the darkest possible sky have delivered us these two all-sky images of the two galactic hemispheres as seen from Planet Earth. Zoomable and 'full-screenable' fisheye view of the "darkest sky" Southern Galactic Hemisphere image. ...
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Ссылки http://www.eso.org/~sguisard/Pagim/darkest_sky.html -- 22.9 Кб -- 18.05.2011
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20. CSPICE Routines: NEARPT_C
... Abstract This routine locates the point on the surface of an ellipsoid that is nearest to a specified position. ... Brief_I/O VARIABLE I/O DESCRIPTION -------- --- -------------------------------------------------- positn I Position of a point in bodyfixed frame. a I Length of semi-axis parallel to x-axis. b I Length of semi-axis parallel to y-axis. c I Length on semi-axis parallel to z-axis. npoint O Point on the ellipsoid closest to positn. alt O Altitude of positn above the ellipsoid. ...
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Ссылки http://www.stsci.edu/~sontag/spicedocs/cspice/nearpt_c.html -- 10.9 Кб -- 17.12.2005
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