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http://www.mso.anu.edu.au/pfrancis/roleplay/MysteryPlanet/mountains/tsld025.htm.
http://www.mso.anu.edu.au/pfrancis/roleplay/MysteryPlanet/mountains/tsld025.htm.
1. How Fast?
. But can the air escape? Statistical thermodynamics tells us that the average kinetic energy of a molecule of gas of mass m, at a temperature T, is . Previous slide . Next slide . Back to first slide . View graphic version .
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Ссылки http://www.mso.anu.edu.au/pfrancis/roleplay/MysteryPlanet/mountains/tsld024.htm -- 1.8 Кб -- 17.03.2004
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2. Leonid meteors 2011 | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...
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Ссылки http://www.armaghplanet.com/blog/wonders-of-the-november-sky-leonids-meteor-shower.html -- 43.4 Кб -- 09.04.2016
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3. Faster Then Light Travel? - an Astronomy Net Blackholes2 Forum Message
Blackholes2 Forum Message . Forums: . ... Faster Then Light Travel? ... Posted by Duane Eddy on October 19, 2004 20:53:15 UTC . ... From you previous statement you seem to believe in faster then light (particle / wave ?) travel is attained. ... Only photons travel at the speed of light - yanniru - October 21, 2004 - 12:29 UTC . ... www.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/blackholes2/messages/4945.shtml -- 15.5 Кб -- 09.04.2016
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4. Space Weather Dials Interpretation Guide
This page provides explanatory text for the dials shown on the Rice Current Solar Wind Conditions and Current Solar Wind Conditions (Dials Only) webpage. These dials use the last good received set of measurements from the Real Time Solar Wind package on the Advanced Composition Explorer (ACE) spacecraft. ... Measured) This quantity is the number of solar wind protons per unit volume as measured by the ACE Solar Wind Electron Proton Alpha Monitor (SWEPAM) . ... It is measured by ACE/SWEPAM. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/ISTP/dialinterp.html -- 8.1 Кб -- 21.12.2007
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5. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... What happens when something travel faster than the speed of light? ... The first way is to say that as far as we know, nothing can travel faster than light. ... What Einstein showed is that nothing can travel faster than the speed at which light can travel in a vacuum . ... This happens in our own atmosphere; particles from space can be moving just under the speed of light in a vacuum, but still be moving faster than light can travel in our atmosphere. ...
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Ссылки http://www.badastronomy.com/mad/1997/ftl.html -- 19.6 Кб -- 09.04.2016
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6. ASP: Up, Up, and Away
With this knowledge of orbits, we are ready to plan a trip to Mars. ... The spacecraft will already have the 107,000 kilometers per hour (66,500 miles per hour) speed of Earth, whereas Mars moves at only 86,900 kilometers per hour (53,900 miles per hour). ... A speed of about 42,000 kilometers per hour will be enough to escape the Earth's gravity and, when added to the Earth's orbital speed around the Sun, put the spacecraft on a Hohmann transfer orbit to the Red Planet. ... 1,570,000 . ... Earth . ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/34/space3.html -- 17.1 Кб -- 02.10.2012
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7. Lindsay Symposium
... The solar wind - a few million tonnes of charged particles that leave the Sun every second - is continuously flowing past our planet at huge speeds (equivalent to travelling from London to New York in 5-15 seconds). ... Strangely enough, the fastest and most steady streams of solar wind originate from coronal holes. ... How such a large amount of matter escapes the Sun's huge gravity and reaches such high speeds (in the quietest solar regions!) is not yet known. ... View Slides . ...
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Ссылки http://star.arm.ac.uk/lindsay/presentations/MDP.html -- 4.9 Кб -- 07.02.2007
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8. Basics of Wind Energy
velocity measured in meters per second . ... High speed propeller (vertical) = 42% Clearly, wind power is a highly variable source and hence energy storage is crucial. ... Electricity generated is then .25 KWH per sq. meter . If wind blows 24 hours per day then annual electricity generated would be about 2200 KWH per sq. meter . ... To Generate 10,000 KWH annual then from a 20 mph wind that blows 10% of the time . windmill area = 10,000 KWH/220 KHW per sq. meter = 45 sq meters . ...
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Ссылки http://zebu.uoregon.edu/1996/ph162/l14.html -- 5.9 Кб -- 16.02.1996
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9. Image: Watermill. Not in working condition though.
. Album : asv-album :: Travels to distant places and countries :: 1997/08 Kyoto, Nara (Japan) :: 25/08 Kyoto Botanical Garden . Up . << Prev . Watermill. Not in working condition though. Next >> . Album created by album tool a Marginal Hack by Dave on Tue Jun 23 14:46:26 2015 .
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Ссылки http://crydee.sai.msu.ru/album/trips/1997.08.Japan/25.Botanical_Garden/tn/g13l.jpg.index.html -- 6.1 Кб -- 23.06.2015
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10. XWare > APOD
... He was attempting to confirm his observation, made just the previous week, that Neptune had a ring. ... Surveyor 6 was not the first spacecraft to accomplish a soft landing on the Moon ... but it was the first to land and then lift off again! ... The moon Metis, 25 miles wide and about 80,000 miles from the planet, is the bright spot at the upper right. ... First, a telescope brings starlight falling over a large area to a small area. ... The Leonid Meteor Shower . ... Uranus: The Tilted Planet . ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=671 -- 13.9 Кб -- 12.04.2016
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11. MILT Description
... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/eng.papers/milt/description.html -- 8.3 Кб -- 13.12.1993
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12. ESO
... Science User Portal . ... ESO, the European Southern Observatory . ... Weekend Visits to the ALMA OSF . ... Survey Telescopes . ... ALMA . ... Star Clusters . ... 2016 . 2015 . 2014 . ... Stars@ESO . ... Although HD 97300 is in the spotlight for now, the very dust that makes it so hard to miss heralds the birth of additional, potentially scene-stealing, future stars. eso1604 тАФ Science Release . ... 31 March 2016 тАФ ann16021 . ... 29 March 2016 тАФ ann16020 . ... 29 March 2016 тАФ ann16019 . ...
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13. Energetic Particles
... Energy . ... The free ions and electrons in a plasma behave the same way. Knowing the temperature of the high atmosphere of Earth, or that of the Sun, we can calculate energies expected of ions and electrons found there. However, ions and electrons actually observed in space are often much, much more energetic, and may move at a respectable fraction of the velocity of light (300,000 km/sec or 186,000 miles/sec). ... Typical energy of an electron in the polar aurora. 40,000 ev . ... 50,000 ev . ...
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Ссылки http://www.cosmos.ru/mirrors/stern/Education/wenpart1.html -- 12.2 Кб -- 24.03.2006
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14. Fasti Talk Slide 5a
. back one page . previous slide . next slide
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Ссылки http://www.arcetri.astro.it/irlab/fasti/doc/fastitalk/slide5a.html -- 3.8 Кб -- 28.07.2005
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15. APOD: November 24, 1997 - Jet Near Light Speed
... November 24, 1997 . Jet Near Light Speed . ... Jets of protons and electrons that shoot away from objects such as quasars and black holes appear to travel at speeds approaching this maximum speed, though. Such jets carry tremendous energy and can ram straight through interstellar material . In the above frame from a computer simulation , a jet traveling only 98 percent of light speed rams and mixes with interstellar material. ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap971124.html -- 4.3 Кб -- 02.10.2012
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16. Database of Optical Constants -- Level: welcome
The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...
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Ссылки http://www.astro.spbu.ru/JPDOC/ -- 10.8 Кб -- 19.11.2010
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17. Example Preprint entry
Use these guidelines to fill out or edit the corresponding fields in the preprint entrytool. NOTE: Inside INPUT fields, Netscape DOES replace special symbols that appear in the default value for that field by the actual character. ... 1) The Space Velocity Institute Bedrock City, FS 00001 USA (2) Also: The Apple Institute for advanced juices Cambridge, MA 00002 UK (3) Sun Center, Telescope Rd 149 12600 Earth City, SS (4) On leave from the Transylvanian Penitentiary Results in: . ...
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Ссылки http://www.stsci.edu/science/preprints/example.html -- 6.1 Кб -- 01.02.2006
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18. ATNF Media Release - December 1, 1998
... The expansion is measured as a number called the Hubble Constant . ... Our value is about 20% lower than the one got with the Hubble Space Telescope in 1994," said Dr Jim Lovell, leader of the team that made the measurement. The Hubble Constant is named after American astronomer Edwin Hubble, who in the 1920s found that other galaxies were moving away from ours. ... The Hubble Constant links the galaxy's distance with its speed." ... A short run-down on the Hubble Constant: . ...
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Ссылки http://www.atnf.csiro.au/news/1dec98/1dec98.html -- 8.4 Кб -- 01.10.2012
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19. http://www.mrao.cam.ac.uk/~kjbg1/exams/2007_paper.pdf
otherwise stated, constants are denoted by the following symbols and may be taken to have the values below Elementary charge Speed of light in vacuum Planck constant Permeability of vacuum Permittivity of vacuum Unified atomic mass constant Rest mass of proton Rest mass of electron Boltzmann constant Avogadro constant Gravitational ... A pulse of light of frequency f is emitted from the space station towards the ship at exactly the time the ship passes the Earth in the Earth frame. ...
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Ссылки http://www.mrao.cam.ac.uk/~kjbg1/exams/2007_paper.pdf -- 119.0 Кб -- 22.03.2012
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20. location and travel for workshop at AO
Location and Travel . The workshop will take place at the Arecibo Observatory about 10 km south from downtown Arecibo . ... If you intend to stay at the observatory make sure you make your arrangements in advance! (see Accommodations for details) . ... Also, in order to have everyone staying at the Observatory, participants who are willing to share rooms and have a particular roommate you may wish to share the room with, please make sure to tell Carmen Torres or Eva Robles. ...
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Ссылки http://www.naic.edu/general_int/atmos_wshopk6/location_travel.htm -- 6.9 Кб -- 17.04.2006
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