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1. APOD: 2005 July 23 - Ringed Nebulae
... 2005 July 23 . Ringed Nebulae . ... Explanation: This gorgeous celestial vista is centered on one of the Milky Way's own planetary nebulae , M57, the famous Ring Nebula . ... By chance, one of the background galaxies, IC 1296 at the upper left, is close enough to show its barred, spiral structure making an attractive visual comparison with M57 . ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... A service of: EUD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap050723.html -- 4.8 Кб -- 02.10.2012
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2. Andy Fruchter's Homepage
This is the homepage of Andrew Fruchter, an astronomer on the staff of the Space Telescope Science Institute . ... Here you can look at an HST images of the optical counterparts of gamma-ray bursts and their host galaxies. ... Therefore, substantial information on the fine scale structure of objects can be obtained by offsetting the pointing of the telescope between exposures and then combining these "dithered" exposures into a single image. ...
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Ссылки http://www.stsci.edu/~fruchter/ -- 5.2 Кб -- 01.10.2012
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3. Nebular Abundances For PNe of Different Central Star Masses
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Ссылки http://www.astro.spbu.ru/staff/afk/GalChemEvol/MWPNe_par.html -- 214.4 Кб -- 19.11.2010
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4. XWare > APOD
... NGC 3132: The Eight Burst Nebula . ... It's the dim star, not the bright one, near the center of NGC 3132 that created this odd but beautiful planetary nebula. Nicknamed the Eight-Burst Nebula and the Southern Ring Nebula, the glowing gas originated in the outer layers of a star like our Sun. ... During this first total solar eclipse of the third millennium webcast sites were swamped, but sun-watchers along the eclipse path enjoyed clear weather and reported fantastic views. ... First page ] Prev. ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=90&d=2003-11 -- 15.3 Кб -- 12.04.2016
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5. Influence of Climate Variables on Tree-Ring Widths of Different Species
... In order to disentangle the effects of different climate variables on tree-ring growth rates of different species, and to explore the possibility that more than one species could improve the accuracy of the reconstructions of climate using tree rings, a methodical study of trees in close proximity to the Armagh Observatory climate station was initiated together with Ana Maria Garc?a Su?rez, and continued as part of the latter's PhD thesis with John Butler and Professor Mike Baillie (QUB). ...
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Ссылки http://star.arm.ac.uk/annrep/annrep2004/node36.html -- 7.1 Кб -- 19.04.2005
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6. The Music of the Spheres
... This is combined emission from all the gas clouds circling the black hole, between 0.1 and 10 light years out. ... These are the expanding clouds of gas left behind when a massive star comes to the end of its life and explodes, producing a supernova. ... Also known as the Veil nebula, a vast and beautiful whispy nebula left over from an exploding star. ... The Crab Nebula (120kb). ... Carbon Star (120kb) Red giant stars, surrounded by clouds or carbon dust. ... 3500 K star (64kb) , like Aldebaran. ...
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Ссылки http://www.mso.anu.edu.au/pfrancis/Music/library/index.html -- 7.5 Кб -- 02.10.2012
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7. http://www.eso.org/public/news/eso1338/kids/
... Like a last gasp of breath, Sun-like stars puff away their outer layers of gas at the end of their lives. This gas floats away into space and forms beautiful and striking clouds, which are called planetary nebulae (although they have nothing to do with planets). ... Yet, astronomers looking at 100 planetary nebulae in the bulging centre of our Galaxy, the Milky Way have found that most of the bipolar planetary nebulae in this region are acting in the same, strange, way. ...
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Ссылки http://www.eso.org/public/news/eso1338/kids/ -- 10.4 Кб -- 11.04.2016
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8. Amazing multi-spectral view of Andromeda Galaxy | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Other Galaxies . ... Light of other eyes, other times: The X-rays and IR radiation making up the image have been travelling for a long time. ... The inspiration here came from a new ESA image of M31, the Andromeda Galaxy, composed from two very different images. ... Our nearest galactic neighbour, the Andromeda Galaxy?s brightness is caused by the hundreds of billions of stars that are contained within. ...
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Ссылки http://www.armaghplanet.com/blog/image-of-the-month-andromeda-through-different-eyes.html -- 46.0 Кб -- 09.04.2016
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9. ATNF Colloquium
ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ...
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Ссылки http://www.atnf.csiro.au/news/news.php?action=show_item&item_id=1083 -- 27.2 Кб -- 01.03.2014
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10. How can scientists distinguish between planetary nebulae and supernova
... Tonight's Sky . ... Observing . ... Supernova showered Earth with radioactive debris . ... How can scientists distinguish between planetary nebulae and supernova remnants? ... NEBULAE . Distinguishing between a planetary nebula and a supernova remnant is not always straightforward because they often have similar shapes and sizes. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2013/08/planetary-nebulae-and-supernova-remnants -- 63.6 Кб -- 10.04.2016
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11. ASP: Using Multicultural Dimensions to Teach Astronomy
... Information about a variety of different calendars for different cultures (e.g., Christian, Jewish, Muslim, Chinese, Hindu etc.) ... In addition, the Chinese had two different ways of interpreting and observing celestial events. One way the Chinese used astronomy was known as lifa; it was a discipline that aimed to understand the regularities and the predictable events in the celestial system through careful, observations, measurements and records. ... back to Teachers' Newsletter Main Page ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/53/multicultural4.html -- 10.1 Кб -- 02.10.2012
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12. Distribution of the analyzed SEPs with different >100 MeV proton fluxes (J100)
Distribution of the analyzed SEPs with different >100 MeV proton fluxes ( J 100 ) at the microwave flux density plane ' S 9 vs. ... 1) General correspondence takes place between intensities of microwave bursts and proton fluxes - J 100 increases when S 9 and S 15 rise. ... 3) Powerful microwave bursts ( S 9 , S 15 >3000-10000 sfu ) with hard radio spectra ( S 9 < S 15 ) correspond to majority of powerful proton fluxes ( J 100 >10 pfu ). ...
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Ссылки http://www.izmiran.rssi.ru/~ichertok/SEPs_radio/fig4s.htm -- 7.5 Кб -- 22.03.2012
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13. Detection of Radio Transients and Variable Radio Sources Using the Archive Data
... During the analysis of the surveys carried out on RATAN-600, it was found that almost one fifth of the detected sources shows significant radio flux variations. ... We used the data from "Cold" radio surveys carried out with RATAN-600 in 1980-1994 to search for radio sources with significant flux variability. ... On possibility of detection of variable sources using the data of Cold surveys carried out on RATAN-600. ... Detection of Variable Sources Using the Data of "Cold" Surveys. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2016/Zhelenkova/ -- 6.9 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Zhelenkova/ -- 6.9 Кб -- 10.04.2016
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14. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/NGC6751.txt
... STScI-PRC00-12 THE GLOWING EYE OF NGC 6751 Astronomers using NASA's Hubble Space Telescope have obtained images of the strikingly unusual planetary nebula, NGC 6751. Glowing in the constellation Aquila like a giant eye, the nebula is a cloud of gas ejected several thousand years ago from the hot star visible in its center. ... The nebula shows several remarkable and poorly understood features. ... Hajian and his team are scheduled to reobserve NGC 6751 with Hubble's WFPC2 in 2001. ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ISM/NGC6751.txt -- 5.2 Кб -- 30.01.2001
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15. Data bases of Natural Satellites. Documentation. Structure
Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...
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Ссылки http://lnfm1.sai.msu.ru/neb/nss/DocStructe.htm -- 11.4 Кб -- 18.05.2009
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16. Saturn's rings National Astronomy and Ionosphere Center (Arecibo Observatory)
NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Planetary Radar . ... In fall of 1999 and 2000, the rings of Saturn were imaged using the Arecibo S-band radar system by P. Nicholson, D. Campbell, R. French, G. Black and J.-L. Margot. ... A delay-Doppler image of Saturn's rings at a frequency of 2380 MHz (12.6 cm) is compared to a model image constructed by reprojecting a pair of HST images taken at 439 nm. ...
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Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=147&Itemid=474 -- 16.4 Кб -- 13.04.2016
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17. The PROS Big Picture: A High-Level Representation of a Software System
... Next: An IRAF-Independent Interface Up: Software Systems Previous: A New PROS . ... We present a high-level representation of the packages and tasks within IRAF/PROS. ... We have produced a high-level overview of PROS. ... The incremental stages were the short-term goals: a project overview diagram (i.e., an organizational diagram of software modules); high-level diagram (i.e., a bubble diagram of each module in the system); and unifying element tables (i.e., tables of task vs. software attributes)....
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Ссылки http://www.adass.org/adass/proceedings/adass94/depontej.html -- 10.7 Кб -- 03.11.2000
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18. Seminars
... On the modeling of the late optical afterglows from cosmological gamma-ray-bursts . Interaction of cosmological gamma-ray burst radiation with the dense interstellar medium of host galaxy is researched. Gas dynamical motion of interstellar medium driven by gamma-ray burst is investigated in 2D approximation for different initial density distributions of host galaxy matter and different total energy of gamma-ray burst. ...
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Ссылки http://xray.sai.msu.ru/sciwork/archive/104/eannot1.html -- 2.3 Кб -- 13.10.2003
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19. Index
... Meta Index / Home Page . ... Output Files . ... Input Files . ... Errors | ... Comments . ... Parameters | ... Different types of detector | ... Initialisation . ... Change history | ... A detector map | ... Detector map filtering | ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/arfgen/node50.html -- 19.2 Кб -- 22.10.2008
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20. ET-4R The set of extension tubes
. home . product . gallery . contact .
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Ссылки http://www.astrosib.ru/ac_et-4r.html -- 3.0 Кб -- 15.05.2015
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