... SMIS : Space Monitoring Information Support laboratory . Russia's Weather : State Meteorological Center Weather Forecast . Space Weather service : ACE real time solar wind data and simple geomagnetic activity forecast. ... World Fire Web : Space Research Institute (IKI) node . Sputnik : Joint project of SRC Planeta, Rosgidromet and Space Research Institute (IKI) . ... Today's Space Weather : Presented by the Space Environment Center . ... Back to the Space Research Institute Home Page ...

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• Astronomical Names
• Solar System Extrema
• Seeing the Solar System

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

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• Orbital Properties of the Solar System
• Low Surface Brightness Galaxy Gallery
• Flywheels and Energy Storage

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

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• Taxonomy of Centaurs and Outer Solar System Objects
• Dynamically Stable `Outer' Solar System Objects
• Extrasolar Planetary Systems: More Like Ours - by David Perez-Suarez, Armagh

... Bad Astronomy . ... Bitesize Astronomy . ... If you thought our tour of the solar system ended with Neptune and Pluto, you are setting your sights way too low. The planets of the solar system mark time relatively close to the Sun compared to interstellar space. Pluto orbits the Sun at an average distance 40 times that of the Earth, yet the nearest star (the Alpha Centauri system) to the solar system is a mind-numbing 260,000 times the distance of the Earth to the Sun. ... 2008 Phil Plait. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy
• Phil Plait's Bad Astronomy: Misconceptions: Coast to Coast Am

... Survey Telescopes . ... Astronomers using ESOтАЩs world-leading HARPS instrument have discovered a planetary system containing at least five planets, orbiting the Sun-like star HD 10180. ... The newly discovered system of planets around HD 10180 is unique in several respects. ... All very massive planetary systems are found around massive and metal-rich stars, while the four lowest-mass systems are found around lower-mass and metal-poor stars [5] . ... ESOcast 20: Richest planetary system discovered...

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• Aleksandar Cikota
• ESO - Dynamics of Low-Mass Stellar Systems: From Star Clusters to Dwarf...
• Massive galaxies discovered in the early Universe | ESO

... Initially SAI Supernova Catalogue was presented in the form of filebased system. ... The current version of SAI Supernova Catalogue presents data on supernovae together with data on their parent galaxies. ... The main source of data for the galaxies was LEDA database. ... In some cases our data were compared with the ones from the Asiago Supernova Catalogue and from List of Supernovae at Harvard-Smithsonian Center for Astrophysics, but the compilation of our Catalogue is carried out independently. ...

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• Seeing the Solar System
• APOD: 2008 November 17 - HR 8799: Discovery of a Multi planet Star System
• APOD: 2008 July 16 - Makemake of the Outer Solar System

Next: Observations and data reduction Up: HS 0822+3542 - a Previous: HS 0822+3542 - a . ... I Zw 18, a BCG with the lowest known oxygen abundance among the galaxies (O/H 1/50 (O/H) , Searle & Sargent [ 1972 ]; Izotov & Thuan [ 1999 ]), has been suggested as a candidate to be a truly-local young galaxy, experiencing its first short SF episode. ... 1998 ]). ... In this paper we describe the data obtained for the third most metal-deficient galaxy, HS 0822+3542 with O/H = 1/36 (O/H) . ... 0822+3542 1 . ...

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• The GTK+ Object and Type System
• HyperLEDA documentation: parameter: vdis
• HyperLEDA documentation: parameter: multiple

... Decelerating and Dustfree: Efficient Dark Energy Studies with Supernovae and Clusters . Abstract . ... The Onset of Star Formation in the Universe: Constraints from Nearby Isolated Dwarf Galaxies . ... An ACS SNAPshot Survey . ... A Snapshot Survey of Brightest Cluster Galaxies and Strong Lensing to z = 0.9 . ... ACS survey observations of eight clusters are scheduled for the coming week, together with follow-up NICMOS observations of a supernova detected in previous ACS images. ... Past weeks: . ...

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• Astronomical Catalogs
• HST this week: 015
• Decadal Survey ASTRO 2010 - White Papers submitted to Science Frontier Panels -

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

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• Dept. for Physics of Stars&Galaxies
• The Laboratory of Astrometry
• Optical systems and devices

Next: The Number of Ejectors Up: Ejectors in Massive Binary Previous: Ejectors in Massive Binary . ... In Figure 10 we show possible evolutionary tracks of NS. ... After the mass exchange, only the helium core of the normal star is left (WR star), a separate system is formed (in some systems the NS has spiraled   completely into the center of its companion, and a Thorne-Zytkow object   is formed), and the NS again becomes a propeller   or an ejector. ...

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• Other Candidates for Ejecting Stars in Binary Systems
• Ejectors in Massive Binary Systems
• Evolutionary Scenarios of Binary Systems

... Indeed, one alteration of orbits can be the outright ejection of a planet. When several big planets are orbiting a star under each other's influence, the system is inherently unstable. ... We know of no good reason why the smallest objects with fusion should have the same mass as the smallest objects that can form by themselves. ... 6) Mission Definition . ... I don't think this mission is impossible, and will suggest a definition in a future article in Mercury. ... Good luck! . ...

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• ASP: Taking a Grand Virtual Voyage in the Milky Way
• ASP: Black Holes
• ASP: Astronomy in the News

Astronotes Armagh Planetarium's Stellar Blog! ... Diagrams showing the familiar inner Solar System, outer planets and Kuiper Belt (plus Pluto), Sedna?s orbit and the beginning of the Oort Cloud (Image credit: NASA) . ... At its closest to the Sun, Sedna is about 76 AU from our star, at furthest some 937 AU.€а Sedna and VP113 are believed to be escapees from the Oort Cloud. ... Almost certainly, in the years to come astronomers will find more large worlds between the Kuiper Belt and Oort Cloud. ...

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• ESO finds weird doomed planet from another galaxy | Astronotes
• Haumea: Rugby Ball Shaped Planet | Astronotes
• Dawn at Ceres | Astronotes

... System E+FWCMS Program. ... Maria-Rosa Cioni (confirmed) - "The Magellanic Clouds as a template for the study of stellar populations and galaxy interaction" . Chiara Mastropietro (confirmed) - "Ram-pressure induced star formation in the LMC" . Akiko Kawamura (confirmed) - "Study of molecular clouds and star formation in the Magellanic Clouds" . ... Lynn Redding Carlson Dating Young Stellar Objects in the Magellanic Clouds . Annapurni Subramaniam Small Magellanic Cloud: A smaller halo? ...

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• A third H I 21-cm absorption system in the sight-line of MG J0414+0534: a
• Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or
• Molecular gas

... 2015 . ... Observations using the Arecibo S-band (2380 MHz, 12.6 cm) planetary radar system started in 1976 and its power and sensitivity were greatly improved with the telescope upgrade and Gregorian-dome installation in the mid-1990s. Below, we show the number of near-Earth asteroids attempted and detected since the radar program resumed in 1998. ... The number of NHATS objects detected with Arecibo similarly jumped in 2012, and 2015 was again a record year, where we detected 23 of these objects. ...

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• The SMUDGES Survey
• Arecibo Radar Discovers Triple Near-Earth Asteroid
• Pulsar Highlights - A Dozen new MSPs in Globular Clusters

... Tonight's Sky . ... The Magazine . News . Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... solar system . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Observe the Solar System . Astronomy for Kids . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Tour the Solar System | Astronomy.com
• planetary systems | Astronomy.com
• Max Planck Institute for Solar System Research, Gottingen, Germany |

... HD 10180: Richest Yet Planetary System Discovered . ... Our Solar System has the most planets of any known star, most probably because it is so hard to detect planets around other stars . Sensitive measurements, though, have now uncovered a slight but complex wobble of the Sun-like star HD 10180 indicating that it has at leave five planets and possibly more, making it the richest extra-solar planetary system yet known. ... Publications with keywords: extrasolar planet - planetary system - ESO . ...

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• XWare > APOD
• Journal "Peremennye Zvezdy"
• Астронет > Makemake of the Outer Solar System

... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...

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• Metagalaxy sector, archive 2015
• Galaxy sector, archive 1995
• Discovery of an isolated dwarf spheroidal galaxy neighboring the Local Group

... Kuiper belt objects are icy bodies in the outer solar system. ... Views of Kuiper Belt Objects . Object 1993 SC . This image shows a small part of the discovery frames of 1993 SC, one of the brightest Kuiper-Belt objects so far discovered. ... Assuming that Object 1993 SC reflects light much like other primitive asteroids and comets in the out solar system, the diameter is around 300 kilometers (186 miles), or just a quarter the size of Pluto's moon Charon. ... Comet Shoemaker-Levy 9 Impact . ...

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• Youngest Brown Dwarf Yet in Multiple Stellar System (ESO Press Release 16/00)
• Chronology of Solar System Discovery
• Arcetri Library Classification System

... Research . ... I aim to understand the variety of processes that have driven galaxy formation and mass assembly across cosmological history via the resolved (star-by-star) study of nearby systems - in particular the Milky Way and Andromeda (especially their stellar halos and globular cluster populations), the Magellanic Clouds, and the myriad of smaller dwarfs that inhabit the "Local Group".б  . ... Globular clusters are fascinating objects in their own right. ...

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• ANU - Research School of Astronomy and Astrophysics - 5th Stromlo Symposium
• GSAOI Dwarf Galaxies Science Page
• COALA - Computational Astrophysics Laboratory

... Next: Object Detection Using Up: Object Detection and Previous: Automated Classification of . ... A status report of the The GSC Object Classifier (GOC) project is presented. ... The GSC contains multiple entries for some objects due to plate overlap. It classifies objects as stars, non-stars, galaxies, blends and potential artifacts; the latter three classifications are rare, and only exist in GSC version 1.1, to which they were added manually. ... star, . ... non-star, . ...

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• System Interfaces to the STIS Calibration Pipeline
• Object Detection Using Multi-Resolution Analysis
• ADASS 2003 Conference Proceedings