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http://www.sai.msu.su/tnp/plutodyn.html.
http://www.sai.msu.su/tnp/plutodyn.html.
1. Dynamics of Pluto
From a bird's eye view of the ecliptic, it is clear that Pluto's orbit is more eccentric than any other planet's. Pluto's orbit appears to intersect Neptune's, and for a period of about 20 years Pluto is slightly closer to the sun than Neptune. ... The libration of Pluto's orbit is due to an exchange of angular momentum with Neptune. When Pluto is "catching up" to Neptune, it gains angular momentum at Neptune's expense. ...
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Ссылки http://www.iki.rssi.ru/nineplanets/plutodyn.html -- 3.2 Кб -- 11.01.1998
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2. http://www.naic.edu/~astro/talks/abstracts/deshpande.html
... These measurements have invariably been interpreted as evidence for significant wide-spread small-scale structure in the HI distribution with volume densities orders of magnitude higher ($n_{HI}\sim 10^4-10^5$ cm$^{-3}$) than those implied by the parsec-scale component. Naturally, there are serious difficulties about such structures being in equilibrium with the other components of the medium, and hence about how to generate and maintain such apparently commonly encountered structures. ...
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Ссылки http://www.naic.edu/~astro/talks/abstracts/deshpande.html -- 3.1 Кб -- 14.02.2002
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3. compare_columns utility
... This sh script allows to compare columns from two files. ... compare_columns reffile[ext] newfile[ext] "column list" "comment" # reffile[ext]: name of the first file with extension number # newfile[ext]: name of the second file with extension number # "column list": names of the columns to be compared (separated by a blank) # "comment": comment used to make the output message specific . ...
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Ссылки http://xmm.vilspa.esa.es/sas/6.5.0/doc/emsaplib/node36.html -- 3.6 Кб -- 15.08.2005
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4. What are typical star-to-star distances in globular clusters compared to
... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... What are typical star-to-star distances in globular clusters compared to stellar distances in our region of the galaxy? ... RELATED TOPICS: GLOBULAR CLUSTERS . ... Get instant access to subscriber content on Astronomy.com! ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2012/03/a-starry-backyard -- 63.1 Кб -- 10.04.2016
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5. CSPICE Routines: MIND_C
... Abstract Find the minimum of a set of double precision values. ... Brief_I/O Variable I/O Description -------- --- -------------------------------------------------- n I The number of double precision values to compare.. ... Detailed_Input n is the number of double precision values in the set whose minimum is to be determined... represents a variable argument list. ... 2) If the number of double precision values supplied does not match the argument n, the action of this routine is not defined. ...
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Ссылки http://www.stsci.edu/~sontag/spicedocs/cspice/mind_c.html -- 5.9 Кб -- 17.12.2005
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6. ASP: An Ancient Universe - The Age of the Expanding Universe
An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . ... Astronomers can also determine the speed a galaxy is moving by breaking up its light into its component colors, rainbow-fashion. ... This pattern is now called "the expanding universe", since the entire universe of galaxies seems to be moving away. ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/56/ancient1.html -- 9.4 Кб -- 02.10.2012
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7. Snow line distance compared to the Solar System | ESO
... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Solar System . Star Clusters . ... This image, taken from the ALMA observatory in Chile, shows the region (in green) where carbon monoxide snow has formed around the star TW Hydrae (indicated at centre). The blue circle represents where the orbit of Neptune would be when comparing it to the size of the Solar System. ... Solar System : Star : Circumstellar Material . ...
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Ссылки http://www.eso.org/public/images/eso1333c/ -- 91.3 Кб -- 10.04.2016
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8. Lack of Dwarf Galaxies in the Local Volume Compared to Conventional Cosmology
... The sample of the Local Volume galaxies (distance smaller than 10 Mpc) gives a unique opportunity to study the properties of galaxies including the weakest objects: the absolute magnitude M B -10 and the virial mass M vir 10 9 M x263C;. ... Luminosity function of the Local Volume galaxies. ... The luminosity functions for galaxies are presented: red dashed line - from the 2dFGRS survey (Norberg et al. 2002); blue dash-dotted line - from the SDSS survey (Blanton et al. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2016/Makarov/ -- 7.5 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Makarov/ -- 7.5 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2016/Makarov/ -- 7.5 Кб -- 10.04.2016
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9. Miscellaneous Analysis Tasks
Next: Displaying Spectral Cubes Up: Image Analysis Previous: Polarimetric Analysis Tasks . The task imdiff can be used to compare two images. ... You can use the self-explanatory task shifty for large integral pixel shifts. ... It may be that you would like the image to be written out with histogram equalisation applied, rather than it just being computed but not saved by the display task. ... Next: Displaying Spectral Cubes Up: Image Analysis Previous: Polarimetric Analysis Tasks Miriad manager . ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node161.html -- 11.8 Кб -- 10.04.2016
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10. Comparing Masses Without Use of Gravity
... Mass . 17a. Measuring Mass . ... A medium-size (1.25 inch wide) binder clip, as is used in offices to hold papers together--the type made of flat blue steel, with two wire handles. ... The theory predicts that the oscillation period should be proportional to the square root of the oscillating mass, including the mass of the clip. Note that gravity plays no part here: the oscillation period would be the same on the Moon or in zero-g. Denoting square root by SQRT, we have . ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Smasscom.htm -- 8.9 Кб -- 21.12.2007
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smasscom.htm -- 8.9 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smasscom.htm -- 8.9 Кб -- 22.12.2007
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11. The Galaxy Gallery Page 6: Comparative Morphology
Star formation is often best manifested by bright H II regions.These are regions of hydrogen which have been ionized by ultraviolet photons which are emitted from massive stars (typically stars more than 20 times the mass of the Sun). ... A narrowband filter image centered on this wavelength will then readily reveal these H II regions and hence the current sites of star formation in a galaxy, The luminous blobs that can be seen here are all H II regions . ... NGC 3558 Visual . NGC 3558 Infrared . ...
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Ссылки http://zebu.uoregon.edu/morph.html -- 5.4 Кб -- 23.12.1999
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12. http://www.mrao.cam.ac.uk/~anthony/latex/Leibundgut.ps
A critical view on Type Ia Supernovae as distance indicators B. Leibundgut European Southern Observatory The use of Type Ia Supernovae to measure cosmological distances relies on several observational facts from nearby supernovae. ... A new approach is to compare global parameters like bolometric (UVOIR) light curves, maximum luminosity, nickel masses, and explosion velocities for many nearby SNe Ia. ...
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Ссылки http://www.mrao.cam.ac.uk/~anthony/latex/Leibundgut.ps -- 20.0 Кб -- 20.05.2000
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13. The High-Z SN Search Description
As the Universe expands, gravity pulls on the Universe, and slows the expansion down over time. As we look to great distances, we are looking back in time. If we can measure how fast the Universe is expanding in the past, and compare it to how fast it is expanding now, we can see the total gravitational effect of all matter in the Universe. Here we plot the distance between two galaxies as a function of time. ... Universes with lots of material . ...
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Ссылки http://www.mso.anu.edu.au/~brian/PUBLIC/fate.html -- 7.8 Кб -- 01.10.2012
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14. Comparing files under SCCS control
. You can compare any two versions of a file that is under the control of SCCS with the sccsdiff command: /usr/sccs/sccsdiff -r version -r version s. filename . Using this command produces a line by line difference between the two versions of the file. Results are shown in the same format as that produced by the diff command. Examples .
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Ссылки http://comet.sai.msu.ru/UNIXhelp/utilities1/sccs_compare.html -- 2.2 Кб -- 17.01.1997
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15. S.P.Korolev RSC Energia - LAUNCHERS
Experimental rocket R-1A . To mature mass and operating characteristics of rocket R-1, its designers proposed to use an integral fuel tank and a warhead separated from the rocket at the ascent phase completion. In this case, only the ascent phase appeared to be rated for the launch vehicle and considerably more favorable regarding mechanical and thermal loads as compared to the atmospheric portion of the descent phase of the flight trajectory. ... Official WEB-site of S.P.Korolev RSC Energia . ...
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Ссылки http://www.energia.ru/english/energia/launchers/rocket-r1a.html -- 8.6 Кб -- 02.10.2012
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16. Compare Infobase Pvt. Ltd., AstroGuide Listing
The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Directory of astronomy web sites. ... Listed Since October 25, 2004 . ... Web Site . http://123world.com/astronomy/index.html . ... Web . www.astronomy.net . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...
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Ссылки http://www.astronomy.net/astroguide/ag125.html -- 12.2 Кб -- 09.04.2016
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17. Comet Shoemaker-Levy 9
... Comet Tutorial . ... On July 1, 1993 an image was taken with the Hubble Space Telescope (HST) that clearly shows at least 15 individual fragments in one image frame of the train. ... This made an accurate orbit (or orbits) difficult to determine; however, after numerous observations of the comet, astronmers determined that the comet had passed within 96,000 kilometers (60,000 miles) of the center of Jupiter or 25,000 kilometers (16,000 miles) from the cloud tops during the July 8, 1992, approach. ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/levy.htm -- 10.3 Кб -- 15.03.1998
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18. Armagh Observatory Jupiter Venus Conjunction
The planets Jupiter and Venus will make an apparent close approach to each other on the early morning of Friday, 5th November. When Jupiter rises above the eastern horizon at 4.07 a.m. for Northern Ireland viewers, it will be just about one Moon-width away from the much more brilliant Venus. ... In reality, a vast distance will separate the planets. ... FOR FURTHER INFORMATION CONTACT: John McFarland at the Armagh Observatory, College Hill, Armagh, BT61 9DG. ...
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Ссылки http://star.arm.ac.uk/press/Jupiter_Venus_appulse_pr.html -- 4.2 Кб -- 29.10.2004
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19. Image: Nijo castle, Shogun palace. The main building. Comparing to temples and
. Album : asv-album :: Travels to distant places and countries :: 1997/08 Kyoto, Nara (Japan) :: 20/08 Nijo castle (ancient shogun palace). Assembly opening. Maiko . Up . Nijo castle, Shogun palace. The main building. Comparing to temples and shrines, royal architecture looks modest. Next >> . Photo album generated by album generator from Marginal Hacks by David Madison on Tue Jun 23 14:46:11 2015 .
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Ссылки http://crydee.sai.msu.ru/album/trips/1997.08.Japan/20.Nijo/tn/b34l.jpg.index.html -- 6.2 Кб -- 23.06.2015
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20. Wavelength calibration
Next: Rebinning Up: Wavelength calibration Previous: Line search and . ... SET/MOS wlcmtd=IC CALIBRATE/MOS . ... In case you know the central wavelength and the mean dispersion of the grism you used you have to correct the central wavelength for the offset between the center of the CCD and the reference slitlet used by OFFSET/MOS . ... SET/MOS wcenter=central wavelength SET/MOS avdisp=mean linear dispersion SET/MOS wlcmtd=LC CALIBRATE/MOS . ... and adds to .tbl ( linpos ) the columns . ... slit . ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node690.html -- 5.7 Кб -- 23.02.1996
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