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Показаны документы, содержащие фрагменты текста из документа
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1. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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2. Can you explain Mercury's retrograde motion? Do other planets appear to do this
... Tonight's Sky . ... Observing . ... Sky this Month . ... Astronomy for Kids . ... Can you explain Mercury's retrograde motion? Do other planets appear to do this also? ... When astronomers talk about retrograde motion, generally they refer to the apparent motion outer planets make as Earth passes them while orbiting the Sun. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2015/10/mercurys-retrograde-motion -- 63.6 Кб -- 10.04.2016
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3. XWare > APOD
... Kepler s Suns and Planets . ... Using the prolific planet hunting Kepler spacecraft, astronomers have discovered 1,235 candidate planets orbiting other suns since the Kepler mission's search for Earth-like worlds began in 2009. ... T Tauri and Hind s Variable Nebula . ... Last week's Full Moon was hard to miss. ... The CMB Cold Spot . ... No one is sure, and many astronomers now think that the CMB Cold Spot on the cosmic microwave background (CMB) radiation is not particularly noteworthy. ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/apod.html?page=71&d=2013-02 -- 14.8 Кб -- 12.04.2016
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4. APOD: 2008 July 14 - Changes in Angular Mars
... 2008 July 14 . Changes in Angular Mars . ... As both Earth and Mars orbit the Sun, the apparent angular size of Mars changes as viewed from the Earth. Pictured above from Enschede , Holland , Mars was captured in 2007 and 2008 with 30 separate images, all taken with the same magnification. When Earth and Mars are on opposite sides of the Sun, Mars appears relatively small. ... Since Mars is always more distant from the Sun than the Earth, Mars never shows a crescent phase to Earthlings. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap080714.html -- 5.3 Кб -- 05.09.2008
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5. ASP: Indiana Jones and the Astronomers of Yore
... To go back in time, archaeoastronomers and teachers can turn to personal computers and any of a number of software packages. ... Examples include the Long Man of Wilmington, England and the Owl Man of Peru (see figure 8 and figure 9 ). ... Deciphering the unique number system of the Maya is another archaeoastronomy topic that involves a minimum of math. ... Several collections of early writing of the Maya survive; numbers from them can be read and in some cases interpreted (see figure 12 ). ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/31/arch3.html -- 16.5 Кб -- 02.10.2012
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6. Planets | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Planets . ... Space Flight . ... 6 Comments For those of you that are still bearing the psychological scars from PlutoтАЩs demotion from planet to dwarf planet a decade ago, here is news that may add salt to [ ] . Continue Reading.. ... No Comments New HorizonтАЩs arrival at Pluto this year, after a nine year-long traverse through the Solar System has revealed many new things about this little icy planet. ... Posted on September 12, 2014 | ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/category/solar-system/planets-solar-system -- 55.7 Кб -- 09.04.2016
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7. May 2002 Planetary Alignment
Armagh, 2nd May 2002. Saturn and Mars are at the top left, Venus is the very bright object and Mercury appears through the clouds. ... All five planets visible to ancient astronomers can now be seen in alignment in the western sky. ... Next is Venus, the brightest planet or "Evening Star", followed by Mars, a much fainter red planet, then Saturn (near the red star Aldebaran, the brightest star in Taurus), and finally, slightly higher in the sky, the largest planet Jupiter. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/press/2002-April-20.html -- 5.1 Кб -- 29.10.2008
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8. Carolina Skies, AstroGuide Listing
The AstroGuide . ... AstroGuide | ... Other Sites . ... AstroGuide Listing . Login . This listing's details have proven difficult to confirm. See many more Astronomy Listings by: Category or Alphabet . A resource site for amateur astronomers in the Southeastern US. ... Web Site . ... Web . ... 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 ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/astroguide/ag238.html -- 12.4 Кб -- 09.04.2016
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9. (Untitled)
To construct frequency distribution (histogram) of minor planets according to value of some element/ parameter/ function user should first select Elements item in menu bar and then Histogram in drop-down menu. ... User has possibility to save histogram or to print it using standard means. To save the file select File item in menu bar and then Save As... in drop-down menu. ... To print histogram select File item in menu bar and then take advantage of options Print Preview , Print Setup , Print . ...
[ Сохраненная копия ]  Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user4oqb.htm -- 4.2 Кб -- 10.04.2016
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10. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Nettuno/Nept3.txt
... STScI-PRC95-21A HUBBLE'S VIEW OF NEPTUNE These NASA Hubble Space Telescope views of the blue-green planet Neptune provide three snapshots of changing weather conditions. ... Hubble is allowing astronomers to study Neptune's dynamic atmosphere with a level of detail not possible since the 1989 flyby of the Voyager 2 space probe. ... In addition to hydrogen and helium, the main constituents, Neptune's atmosphere is composed of methane and hydrocarbons, like ethane and acetylene. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Nettuno/Nept3.txt -- 2.9 Кб -- 04.12.2000
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11. Long description for change bar example
... The changebar (represented by two hyphens in the image) appears in the 10px space to the left of the paragraph. The illustration shows a vertical line that represents the left edge of the paragraph's containing block. ... The change bars (two red hyphens) appear to the left of the word "THIS", which begins the fourth line of text. The following PRE element simulates the example. Vertical bars represent the left containing block edge. ... to the left of the line containing | ...
[ Сохраненная копия ]  Ссылки http://crydee.sai.msu.ru/~vab/html.doc/css2/images/longdesc/changebar-desc.html -- 2.1 Кб -- 01.05.1998
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12. Example of changing a password with the passwd command
To change your password: passwd Old password: enter your current password New password: enter your new password Retype new password: re-enter your new password . Enter the command passwd and then respond to the prompts by entering your old password followed by your new one. ... The passwords will not appear on the screen as you type, to prevent other people from seeing them. If you make a mistake, the message Mismatch - password unchanged. is displayed and your password remains unchanged. ...
[ Сохраненная копия ]  Ссылки http://comet.sai.msu.ru/UNIXhelp/basics/basic3.1.html -- 2.3 Кб -- 17.01.1997
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13. Investigator Email Change
... Follow the steps described below in order to make a change to an investigator's email address. Navigate to the program information web page for one of the investigator's observing programs and then click on the Investigators link. ... Select Profile Request and then work through the ProPer interface for changing a person's profile. Once you have completed the profile change, ProPer will display this page which shows that a change confirmation email has been sent to the investigator. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/ops/investigator-email-change.html -- 3.4 Кб -- 26.02.2014
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14. SciSim Changes v2.0.2
Changes SciSim v2.0.3 . SciSim v2.0.3 is a bug fix release of SciSim and contains only minor changes compared to v2.0.2. The input (configuration & data) files, as well as the ODF products are compatible with previous versions. ... EDUID is currently coupled to ccd id. ... Iterpretation of Quadrant and CCD numbering has changed (see also the ESIM documentation in the SciSim User Guide). ... The following README files specify the changes in the data-files and in the configuration file: . ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/scisim/release/latest/help/changes/v2_0_3.html -- 9.6 Кб -- 13.01.2005
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15. Kepler and His Laws
... Concerning those theories, Tycho believed that all planets revolved around the Sun, but the Sun circled Earth. ... That was when he published his first two laws of planetary motion: . ... Kepler's 3rd Law . ... Earth . ... Not only were Kepler's laws confirmed and explained by later scientists, but they apply to any orbital system of two bodies--even artificial satellites in orbit around the Earth. ... By Kepler's formula . ... More will be said about Kepler's first two laws in the next two sections...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Skeplaws.htm -- 12.7 Кб -- 21.12.2007
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16. Izmccd
... The function is accessible, if the file with the image is open, and Ю identification of a star field is made. ... a) Load a first image by the command " Open ", and others by the command " Open +". b) Make an identification of the field. c) Open the menu " File ", select " Next " or press . ... It is necessary tree or more images. a) Load the first image by the command " Open" , and others by the command " Open + ". b) Open the menu " Marking ", select "Detect moving objects" or press - . ...
[ Сохраненная копия ]  Ссылки http://www.izmccd.puldb.ru/izmccd3e.htm -- 6.7 Кб -- 17.09.2007
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17. http://www.eso.org/public/news/eso1236/kids/
... It s sometimes hard to grasp the length of time involved in events in the Universe. But the Universe is huge and it has been around for a very long time 13.7 billion years! ... These big time scales mean that astronomers can t study something like the lifetime of a star by studying one star, as that would take millions or billions of years! ... Sometimes, though, things that are far away in deep space change in the night sky during our lifetime. Take this new space photo, for example. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/public/news/eso1236/kids/ -- 11.6 Кб -- 11.04.2016
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18. http://zebu.uoregon.edu/2003/hum399/brahesum.html
... He made observations of a supernova (literally: nova= "new star") in 1572 (we now know that a supernova is an exploding star, not a new star). ... Brahe's meticulous observations showed that the supernova did not change positions with respect to the other stars (no parallax). ... This was early evidence against the immutable nature of the heavens, although Brahe did not interpret the absence of parallax for stars correctly, as we discuss below. Brahe made careful observations of a comet in 1577. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/2003/hum399/brahesum.html -- 6.7 Кб -- 07.05.2003
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19. TAPE CHANGES
Next: POSTPASSES Up: Tape Management Previous: READBACK TESTS Contents . If a project is being scheduled that uses stations that have only one tape drive, it is necessary to schedule in a gap of about 15 minutes for that tape change to be accomplished. ... For optimized schedules, this can present a bit of a problem, so the input parameter TAPESYNC is provided to try to cause all stations that are near the end of their tape to change when the first reaches the end. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Tasso.Tzioumis/sched/TAPE_CHANGES.html -- 5.6 Кб -- 10.04.2016
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20. jupitere
Giant Jupiter. Jupiter . ... Jupiter has no solid surface that is why speaking about its dimensious point the radius of the upper border line of the clouds, where the presseru is about 10 KPa; radius of Jupiter on the equator is 71400 km. ... The Jupiter satellites. ... Nowadays 16 satellites of the Jupiter are known: Adrastea, Mitis, Amaltea , Phina,then 4 Galilei satellites: Io , Europe , Hanimed , Callisto , Leda, Aimalia, Zicitea, Elara, Ananke, Carme, Pasipe and Sinope. ... Jupiter's ring. ...
[ Сохраненная копия ]  Ссылки http://www.space.vsi.ru/jupitere.htm -- 10.9 Кб -- 14.10.2000
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