... Posts tagged ?planetary motion? ... Anyway, while poking around the myriad lectures, courses, and talks that are now online, I came across a popular Physics lecture series at UMichigan which listed a talk by one of my favorite speakers, Owen Gingerich . ... Tags: astrostatistics , curve fitting , Earth , ellipses , epicycles , Galileo , history , inference , iTunesU , Kepler , Mars , Owen Gingerich , planetary motion , Ptolemy , Quotes . ... 4 Comments . ... Entries RSS . Comments RSS . ...

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• The AstroStat Slog Ptolemy
• About Tom's Asteroid Flybys Service
• The AstroStat Slog Kepler

... PUBLIC LECTURE - APRIL 12, 2016 . New Discoveries in the Outer Solar System: Ceres, Pluto and Planet X . ... Dr. Green will talk about "New Discoveries in the Outer Solar System: Ceres, Pluto, and Planet X". ... Beginning in 1992 planetary astronomers began to find Pluto like objects beyond the orbit of Neptune showing us that Pluto was a member of an entirely new family of objects we now call the Kuiper Belt. ... Amateur Astronomers Association of Princeton, Inc., ...

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Johann Kepler - a Legislator of the Sky. The laws of the planets movements put by Johann Kepler destroyed the thousand year old dogmas about the circles and spheres and opened the way to scientific understanding of celestial occurrences. ... The best object for observation was Mars - its orbit unlike the Earth's one has a noticeable eccentricity, the rotation period in comparison with Jupiter and Saturn is not too long and observation conditions are better than for Mercury and Venus. ...

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• smalltelae
• plutone
• lovelle

Next: Mixing types of E-P-A Up: ``Ecology'' of Magnetic Rotators Previous: Evolutionary Tracks . So far we have considered evolution of a magnetic rotator related to single rotators or those entering binary system with circular orbits. ... Orbital eccentricity necessarily emerges after the first supernova explosion љ and mass expulsion from the binary system. ... Here, we concentrate on the evolutionary consequences of eccentricity. Mixing types of E-P-A binary systems with non-zero orbital . ...

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• Scientifically discovered God
• Tsiolkovskii's Paradox
• Scenario Machine Engine

... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...

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• C/2006 P1 (McNaught)
• Siding Spring Survey Follow-up Obs
• Untitled1

Milky Way X-ray background emission « »: , . ... RXTE , . ... Using near-infrared Galaxy intensity measured with COBE/DIRBE experiment and X-ray data from RXTE and INTEGRAL it was shown that X-ray brightness of the Galactic background emission closely follows its stellar density and can be explained by a cumulative emission of a large number of weak Galactic X-ray sources. ... Map of Galactic background emission in hard X-ray energy band obtained with INTEGRAL observatory. ... 2006, &, 452, 169 ., ...

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• Second Spectrum-RG/eROSITA Conference

Laboratory of Stellar Physics . ... A study of close binaries with black holes, neutron stars and white dwarfs. ... A study of SS433 - the massive close binary with a black hole in the regime of supercritical accretion . ... A search for intermediate-mass black holes (IMBH). The black holes which are not supermassive black holes observed in quasars, and which were formed not in massive stars. ... A search for new magnetic stars, new CP stars, measurements of magnetic fields in stars . ...

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• comedi_close

Asteroid 2055 YU55 passes close by Earth; how close did it get? ... As Elizabeth Flock reported: An asteroid the size of an aircraft carrier missed Earth by only 200,000 miles as it flew by Tuesday night the closest an asteroid has been to Earth in 200 years Asteroid 2005 YU55, as it has been dubbed, streaked by at about 30,000 mph, but some scientists and lucky amateur astronomers caught a glimpse in their telescopes, where they saw strange structures on the asteroid\u2019s dark-colored surface. ...

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• http://www.astro.louisville.edu/shared_skies/archive/select/messier/m1/20081102/movie.txt

. Computer Ephemeris. Elements of osculating planetary orbits. Explanations. Each row contains at 0h of Time Dynamical Terrestrial of specified date in system of mean equator and ecliptic J2000.0 the ecliptic osculating elements of heliocentric orbit: inclination of orbital plane (degrees), longitude of ascending node (degrees), argument of perigelion (degrees), semimajor axis (astronomical units), mean motion (degrees per day), eccentricity (dimensionless), mean anomaly (degrees).

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... 1999 9° 10' Burns et al. xx image courtesy Norbert Junkes (MPIfR) Why Centaurus A is special s s s s s s s the first extragalactic radio source the brightest source in the Southern Hemisphere the second double lobed source discovered ­ after Cygnus A the closest Radio Galaxy the closest AGN the closest SMBH ­ VLBI resolution 0.01pc, 100 Rs A spectacular galaxy Evolution of the Models s ... Centaurus A composite Radio ­ Optical alignment Radio Radio ­ Optical alignment Precession?...

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• http://www.atnf.csiro.au/research/LVmeeting/magsys_pres/E+FW_pryor.pdf
• A Unique and Remarkable Binary Pulsar
• ATNF Daily Astronomy Picture

... Many massive planets contrary to Jupiter have large eccentricities of orbits. ... Another problem is to study the conditions and boundaries of stable, regular motions of small mass planet in systems having `Jupiter' with large orbital eccentricity as well as properties of regular, stable, and irregular, chaotic motions. ... The regular eccentricity evolution described above demonstrates that stable quasi--circular orbits of small planet are unusual. ...

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• AY (preface)
• Keywords_272
• Laboratory of minor bodies of Solar system

... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

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• The Russian TESIS Observatory will observe two solar eclipses from space
• Project's diary
• Saturnian Moon Shows Evidence Of Ammonia - Astronomy news

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... News . ... The rocket and space system Zenith-3SLB consisting of a launch vehicle (LV) Zenit-2SB with the upper stage Block DM-SLB has put the 3.2-ton telecommunications spacecraft Intelsat 18 into its target geotransfer orbit. ... The mission analysis was conducted by RSC Energia specialists within the Lead Operations Control Team working at the Mission Control Center for upper stages and unmanned spacecraft (RSC Energia at Korolev). ...

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• S.P. Korolev RSC Energia - Science News

... Комментариев нет 22 августа 2010, 13:58 Blogger , English , Астрономия . ... Neptune will finally complete its first full orbit of the sun since it was discovered in 1846a approximately one year from now, according to NASA estimates. ... Twitter Weekly Updates for 2010-08-21 . ...

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... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

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• About ST-ECF

. Album : asv-album :: Travels to distant places and countries :: 1999/09 Florence, Rome (Italy) :: 14/09 Across the Arno . Up . << Prev . Close-up of the city wall. On via di Belvedere. Next >> . Album created by album tool from MarginalHacks by David on Tue Jun 23 14:47:02 2015 .

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• Tuesday, 14 September. Across the Arno: page 21
• Image: The trees, moss and rocks look like handpainted. The closest analogy is
• Image: Downtown as viewed from the John Hancock Tower. The building closest to

... Analysis of in-orbit data closely follow the CSL data analysis. Stars with known astrometric positions are matched with their image centroids. ... The measured position, the expected position and the offset between the measured and expected positions are calculated and written into a file. ... select catalogued positions for different observations/pointings (e.g. positions of objects in photometric sequence) . ... The new distortion map was generated from in-flight observations of the G153 field. ...

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• Suppression of detector noise at low energies

Resonances in the Solar and exoplanetary systems I. I. Shevchenko Pulkovo Observatory Abstract Dynamical problems on the orbital resonances, including mean motion resonances (both two-body and three-body ones) and secular resonances, are considered in application to the dynamics of the Solar and exoplanetary systems. The analyzed systems include multiplanetary (those with two or more than two planets) systems and planetary systems of double stars. ... Circumbinary planets at the "edge of chaos". ...

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• http://www.gao.spb.ru/english/as/j2014/presentations/galushina.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/sokova.pdf
• Pulkovo NEO Page: General Information

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

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... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

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• MASTER : List of HAZARDOUS ASTEROIDS (PHA) and COMETS discovered by MASTER