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1. Астронет > 2003 UB 313: A Tenth Planet?
... 2003 UB 313: A Tenth Planet? ... Credit: M. Brown ( Caltech ), C. Trujillo ( Gemini ), D. Rabinowitz ( Yale ), NSF , NASA Explanation: Has a tenth planet been discovered? A newly discovered object , designated 2003 UB 313 and located more than twice the distance of Pluto , is expected to be at least as large as Pluto and probably larger, given current measurements. ... 2003 2004 2005 2006 . ... Публикации с ключевыми словами: planet - Pluto - kuiper belt - планеты - Плутон - Пояс Койпера . ...
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Ссылки http://www.astronet.ru/db/msg/1207478/eng/ -- 23.0 Кб -- 01.08.2005
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2. APOD: 2005 August 1 - 2003 UB 313: A Tenth Planet?
Discover the cosmos! ... 2005 August 1 . 2003 UB 313 : A Tenth Planet? ... Explanation: Has a tenth planet been discovered? A newly discovered object , designated 2003 UB 313 and located more than twice the distance of Pluto , is expected to be at least as large as Pluto and probably larger, given current measurements. ... If so, and if some are found closer in than 2003 UB 313 , it may be premature to call 2003 UB 313 the tenth planet. ... About APOD | ... NASA Official: Jay Norris. ...
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Ссылки http://www.sai.msu.su/apod/ap050801.html -- 5.7 Кб -- 02.10.2012
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3. Kepler-10c: the First Mega-Earth | Astronotes
... Planets . ... Earth Satellites . ... The newly discovered ?mega-Earth? ... Its sibling, the lava world Kepler-10b, is in the background (the two planets? proximity is grossly exaggerated) .€а Kepler-10c has a diameter of about 29 000 km, 2.3 times as large as Earth, and weighs 17 times as much. ... The first mega-earth to be discovered is Kepler-10c which orbits a star lying about 560 light years from the Sun in the constellation Draco. ... Astronomers Find a New Type of Planet: The ?Mega-Earth? ...
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Ссылки http://www.armaghplanet.com/blog/kepler-10c-the-first-mega-earth.html -- 44.9 Кб -- 09.04.2016
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4. http://www.ipa.nw.ru/conference/2002/sovet/PS/BENEST.PS
... 8, ``Celestial Mechanics'', 2002 Regularity and chaos for planetary orbits in binaries D. Benest Observatoire de Nice, Nice, France 1. ... Previous papers showed that stable planetary orbits, around either the lightest or the heaviest component of several nearby binary systems, exist up to distances from their primary of the order of more than half the binary's periastron sep aration. ... Chaos: bounded or sticky? It is now wellknown that planetary dynamics may include some proportion of chaos. ...
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Ссылки http://www.ipa.nw.ru/conference/2002/sovet/PS/BENEST.PS -- 29.4 Кб -- 19.08.2002
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5. ESA-ESO Working Groups
... CONTACT . ... Planned space experiments promise a considerable increase in the detections and statistical knowledge arising especially from transit and astrometric measurements over the years 200515, with some hundreds of terrestrial-type planets expected from transit measurements, and many thousands of Jupiter-mass planets expected from astrometric measurements. ... To request a printed copy, please contact Britt Sjoeberg (bsjoeber@eso.org) . ...
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Ссылки http://www.stecf.org/coordination/esa_eso/extrasolar.php -- 7.2 Кб -- 09.04.2016
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6. Information on planets
... Given the observing time and frequency, task plplt plots the expected visibility function for a planet. You will most likely want to check this visibility function before observing and discovering that the planet is resolved out! NOTE that mfboot and plplt do not include the effect of the ATCA's primary beam - the planet is implicitly (and silently) assumed to be small compared with the primary beam. ... Information on using the ATCA to observe a planet is available on-line . ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node216.html -- 5.2 Кб -- 10.04.2016
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7. http://www.stsci.edu/stsci/meetings/planets/abs/prog40.html
... Samples of expected results from an intensive search for planets about stars acting as gravitational lenses (lens stars) of galactic bulge stars (source stars) during microlensing events are constructed. ... The Gould and Loeb (1992) detection probabilities are scaled to arbitrary planetary mass and mean lens distance and averaged over the lens mass function. ... The expected total number of planets detected depends entirely on the assumptions about the nature of the planetary systems being sought. ...
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Ссылки http://www.stsci.edu/stsci/meetings/planets/abs/prog40.html -- 3.5 Кб -- 22.10.1996
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8. Terry Mosely's Bulletins
From: TerryMosel aol.com Date: Sun, 3 Jul 2005 11:43:56 EDT Subject: Deep Impact, Sunspots, Weird Planet, Shuttle Launch Hi all, 1. DEEP IMPACT: As you probably know, the Deep Impact impactor probe is due to smash into comet 9P / Tempel 1 at about 05.50 UT on 4 July. ... WEIRD NEW PLANET: On Thursday a group of astronomers announced finding perhaps the most bizarre extrasolar planet yet: an object with a core of heavy elements that may amount to 65 - 70 times the mass of Earth. ...
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Ссылки http://star.arm.ac.uk/nibulletin/2005/Jul-03.html -- 6.0 Кб -- 14.07.2005
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9. ASP: A Good Definition of the Word "Planet": Mission Impossible?
... There has been a heated public discussion in the past few years about whether our ninth planet is really deserving of the name. Since Pluto orbits a star, and is much less luminous, it certainly satisfies the definition we have above. The problem is actually not with Pluto, but with a very large number of other bodies in our Solar System which also satisfy this definition, but which are not called planets. Perhaps the most notable of these is Ceres, the largest asteroid. ... Planet . ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/59/planetdefine2.html -- 14.7 Кб -- 02.10.2012
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10. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Universe Today . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... If the Universe is flat, it is forever balanced between open and closed; it will expand forever, but always slowing, just balancing gravity. ... Basically, if the Universe is open (will expand forever), closed (will eventually contract again) or flat (expanding just fast enough to balance gravity), you will see differences in the way the SN behave. ...
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Ссылки http://www.badastronomy.com/bitesize/accel.html -- 21.4 Кб -- 09.04.2016
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11. http://zebu.uoregon.edu/51peg.html
... More on 51 Peg: . The discovery of a Jupiter--mass planet in orbit around the solar--type star 51Peg has been reported by Michel Mayor and Didier Queloz (Geneva Observatory) on October 6th at the 9th Cambridge workshop on "cool stars, stellar systems, and the sun" held at Florence (Italy). ... Recall that the measurements of radial velocity only yield v sin i which in turn gives us M sin i. For most values of i, sin i will be greater than 0.5 and this gives a mass estimate of 0.5 Jupiter masses. ...
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Ссылки http://zebu.uoregon.edu/51peg.html -- 18.2 Кб -- 31.07.2000
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12. http://www.eso.org/public/news/eso1205/kids/
... For example, take this new picture of an object in space called a planetary nubula it actually has nothing at all to do with planets! A planetary nebula is an object that forms when a star like the Sun (our nearest star) runs out of fuel. ... The star also loses its outer shells of gas, which float off into space. ... Cool Fact: Some planetary nebulae (when you talk about more than one nebula, you call them nebulae ) have two symmetrical clouds of gas on either side of the central star. ...
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Ссылки http://www.eso.org/public/news/eso1205/kids/ -- 9.6 Кб -- 11.04.2016
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13. Aстероид 11438 Зельдович
... малой планете . ... на основании решения от 9 мая 2001 года . Комитета по наименованию малых планет . ... что малая планета, . зарегистрированная в международном каталоге малых планет . под N 11438 и имеющая предварительное обозначение 1973 QR1, . ... ZELDOVICH . ... Якова Борисовича Зельдовича . ... 11438) Zeidovich = 1973 QR1 . ... Малая планета (11438) Zeidovich открыта 29 августа 1973 г. Т.M.Смирновой в Крымской астрофизической обсерватории. ... Циркуляр Малых Планет N 42672, 2001. ...
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Ссылки http://xray.sai.msu.ru/~mystery/html/Z/planet/planet.html -- 8.3 Кб -- 19.09.2001
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14. Trapped Radiation
Circling around magnetic field lines. ... The ring current . Because positive ions and negative electrons drift in opposite directions (see drawing), that motion will create an electric current that circulates clockwise around the Earth when viewed from north. ... How then can the radiation belt and ring current arise? ... Electric fields are able to push trapped particles earthward, and unlike the purely magnetic motion described earlier, an electric field can also energize them. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wtrap1.html -- 8.4 Кб -- 21.12.2007
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15. http://www.mso.anu.edu.au/pfrancis/roleplay/MysteryPlanet/Answers_23.doc
... What do we know? ... The peak radio emission is around 7(10-16Wm-2, and we are viewing it from a distance of half a light year. ... Radio Power. ... So the total power striking both is around 1017W. So the radio power coming out at 1420 MHz is comparable to all the Twinky light falling on both objects combined! ... If both planets had the same mass, they would orbit around a point mid-way between them, so the radius of motion of the radio source would be around 14,000 km. ... Reflected Twinky light...
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Ссылки http://www.mso.anu.edu.au/pfrancis/roleplay/MysteryPlanet/Answers_23.doc -- 51.5 Кб -- 17.03.2004
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16. The Planet Jupiter
Jupiter is the largest of the nine planets, more than 10 times the diameter of Earth and more than 300 times its mass. ... The mean density of Earth is 5.245 times that of water. The pull of gravity on Jupiter at the top of the clouds at the equator is 2.4 times as great as gravity's pull at the surface of Earth at the equator. ... It is tipped about 11њ to Jupiter's axis of rotation, similar to Earth's, but it is also offset from the center of Jupiter by about 10,000 kilometers (6,200 miles). ...
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Ссылки http://www.iki.rssi.ru/solar/eng/comet/planet.htm -- 9.5 Кб -- 15.10.1997
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/comet/planet.htm -- 10.2 Кб -- 15.03.1998
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/comet/planet.htm -- 10.2 Кб -- 15.03.1998
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17. Shifts Are As Would Be Expected. - an Astronomy Net Blackholes2 Forum Message
Blackholes2 Forum Message . ... Post . ... Shifts Are As Would Be Expected. ... Post Message | ... Red and blue shifts can be caused by velocities also. ... The expectd result would be a red or blue shift proportional to the aparent distance an object is from the observer. ... www.astronomy.net . About Astronomy Net | Advertise on 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/4964.shtml -- 13.6 Кб -- 09.04.2016
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18. (Q-5) The Atomic Nucleus and Bohr's model of the Atom
... Atoms . ... Energy Levels . ... Q5.The Atomic Nucleus . and Bohr's Model . ... Bohr's Model . ... of Atoms and Nuclei . ... To gain information about atoms themselves, however, one needs to understand the intricate structure of energy levels, as deduced from atomic spectra. ... Rutherford named this concentration the atomic nucleus. ... Adiabatic invariants occur in all sorts of periodic motions, including Kepler motion, which was taken as the model of the motion of an electron around the nucleus. ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Q5.htm -- 18.7 Кб -- 05.06.2006
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Q5.htm -- 18.7 Кб -- 22.12.2007
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Q5.htm -- 18.7 Кб -- 22.12.2007
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19. merkurie
Mercury - is the nearest to the Sun. Ellusive planet. ... They had several names for this star: Set and Gor (ant. ... The same surface spot with many craters, some of which has the systems of light beams only dark spots, like the Moon seas were considerably less. ... Further was the period of intensive bombing Mercury by the remains of before planet’s swarm (planetozimalies), when the ponds were founded for example Colories (diameter - 1300km) as well as craters like Copernic crater in the Moon. ...
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Ссылки http://www.space.vsi.ru/merkurie.htm -- 7.8 Кб -- 14.10.2000
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20. Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,
... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...
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