... GALAXY: A galaxy is made up of billions or trillions of stars bound together by their own gravity. ... HELIUM (He): The second element in the periodic table, has 2 protons, 2 neutrons, and is a noble gas. ... Helium melts at -272.2 degrees Celsius, and boils at -268.934 degrees Celsius. ... HYDROGEN (H): The first element on the periodic table, is a gas, and has an atomic mass of 1.00794 amu. ... Hydrogen melts at -259.34 degrees Celsius, and freezes at -252.87 degrees Celsius. ...

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• Astronomical Glossary - S - Z
• Astronomical Glossary - N thru R
• RAS Glossary A to C

... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

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Download Izmccd (~2.7 MB). ... for 1-5 bytes is number of a numbered minor planet, . ... Positions 1-80 file "mpcreportiz.txt" are similar to positions of file "mpcreport.txt". 83-95 ? errors of unit weight, . ... If this tag is " 1 0 " , this record contains results of measurements of an image of object (approximation by "PSF"),? . ... 57-66 ? error in X (pixels), for first star in a multicentric image, for subsequent it is error in (distance between first star in the image and this), . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Alien Life . ... Space Flight . ... NASA astronaut Reid Wiseman, Expedition 40/41 flight engineer, participates in an Extravehicular Mobility Unit (EMU) spacesuit fit check at NASA?s Johnson Space Center. Image credit: NASA) . Step up the next astronaut who really took on the task of showing us earthlings the wonders of being an astronaut on the International Space Station (ISS) Reid Wiseman . ...

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• Helene: Image of the Month | Astronotes
• Dawn at Ceres | Astronotes

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• thompson_william

... 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-Net Science Release on prompt optical observation of the GRB 090424
• MASTER GRB101123A prompt observations

Pulkovo Database of Observations of Visual Double Stars . ... Catalog of relative positions of visual double stars, based on photographic observations performed since 1960 in Pulkovo on the 26-inch refractor (A.A.Kiselev, O.A.Kalinichenko, O.V.Kiyaeva, N.A.Shakht, L.G.Romanenko, I.S.Izmailov, O.P.Bykov, K.L.Maslennikov, E.A.Grosheva, D.L.Gorshanov), 2010 . ... Enter either ADS or WDS number. Click here to display full list of visual double stars observed at Pulkovo. ADS . ...

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• plut_pub

... 5-GHz total flux density . ... 1.4 Jy . ... 0.960 * = the position has been determined to an accuracy of 10 mas from the VLBApls data . VLBApls image at 5 GHz . color gif | contour gif | ... Correlated flux density (Jy) vs. projected baseline length plot . gif | ... flux density (Jy) . EW position (mas) . ... major axis (mas) . minor axis (mas) . position angle ( ) . ... VLBApls reference: Fomalont et al. ... VLBApls home page . ...

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• J0348-2749
• J0418+3801
• J0132-1654

... ASRAS Board Members . ... Site . ... ASRAS Board Positions . ... President - . ... The president has many responsibilities like running monthly meetings, running the monthly board meeting, representing ASRAS at local events like star parties, planetarium events, RMSC events, the monthly newsletter presidents message, etc .. ... The Vice Presidents position is mainly to assist the president and back them up if they cant make a major function like a general meeting or write the newsletter pres message...

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• Supernova 1999br in NGC 4900
• Supernova 2005W in NGC 691
• Supernova 1999aa in NGC 2595

... Yu.A.Shokin Accurate positions of variable stars in the western part of the Large Magellanic Cloud bar (published in IBVS (No.5047, 14 March 2001) and SAI Proceedings) . B.S. Vozdvizhenskij The list of 2821 Venus positions (VINITI depository Oct 08 2007, N 956 B2007) . B.S. Vozdvizhenskij, E.N. Fedosseev The experience in processing long series of photographic observations of planetary positions (VINITI depository Apr 01 2008, N 274 B2007) . ...

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• standard of astronomical data, catalogs
• AMT catalogs

Lab . Main page News People . ASA . Master . Master net Homepage . ... Lomonosov Moscow State University Sternberg Astronomical Institute . ... MASTER . ... Lomonosov (ShOK) . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . People, who work in lab . Latest news and news archive . ... Bright MASTER OT105123.02+672528.3 discovery at Optical/X-ray/radio source position ATel3845, ATel3849 ATel3889 . ... All news ...

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Heliocentric model of Aristarch Samossky (III c. B.C.). The Moon turns around the Earth. The Earth rotates around its axis, that is why the cauge of day and night can be seen. ... Aristarch model explained the modification of Venus and Mars glitter. In B1 position Venus is seen as a round dark spot on the Sun's disk; in B2 position it is seen as a bright spot of assimetric form. In M1 position Mars is nearer to the Earth and has more bright glitter than in M2 position. ...

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• Keplere
• Galiliye
• earthe

... The body of photometric and astrometric data on stars in the Milky Way Galaxy has been growing very fast in recent years (Hipparcos/Tycho, OGLE-3, 2-Mass, DENIS, UCAC2, SDSS, RAVE, Pan Starrs, Hermes, ...) and at the time of the General Assembly the launch of ESAтАЩs Gaia mission, which will measure astrometric data of unprecedented precision for ~ 10 9 stars, will be less than three years away. ... Producing models and fitting them to the available data will involve complex software. ...

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• Database of Optical Properties -- Level: subpage
• Database of Optical Properties -- Level: database
• Silicate minerals

... EXPERIMENTS AND RESEARCHES . SCIENCE RESEARCH ON ISS RUSSIAN SEGMENT . ... Investigation of dynamic loads onto the ISS RS structure when different dynamic operations are performed at the ISS, namely: docking, reboost, execution of physical exercises by operators, extravehicular activity. Determination of micro-acceleration conditions in areas of technological experiments. ... Measurement of accelerations and micro-accelerations on ISS RS structural elements under different external effects. ...

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• S.P. Korolev RSC Energia - International Space Station
• RSC "Energia" - Launchers
• RSC "Energia" - Production

... ROSAT ? германская космическая рентгеновская обсерватория. ... На борту спутника находился созданный в Германии рентгеновский телескоп с возможностью получения изображений, в фокальной плоскости которого находилось 3 прибора: два германских позиционно-чувствительных пропорциональных счетчика и американский прибор получения высококачественных изображений. ... 1М (космический аппарат) . ... 2МВ (космический аппарат) . 3МВ (космический аппарат) . ... Союз (космический корабль) . Союз 7К-Л1 . ...

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• NICMOS / Космический портал "Космопорт"

. Images of the position of GRB080319B before the burst (left) and at the moment of maximal optical brightness (right). The transient position is marked with an arrow. Peak optical brightness made the burst visible by a naked human eye (5.3 stellar magnitude). To view high temporal resolution video of the transient seen by TORTORA camera, click here (avi).

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• Administration
• Laboratory of the Sun study
• Group of automatic control systems

Below is a Visual Basic sub-procedure which will allow sending the Get RA-Dec command to any model of NexStar. ... Wait 0.25 Comm1.Output = E Wait 1.5 varInputBuffer = Comm1.Input Comm1.PortOpen = False If ScopeType = Little Then RA1 = Asc ( Mid ( varInputBuffer , 2, 1)) RA2 = Asc ( Mid ( varInputBuffer , 3, 1)) Dec1 = Asc ( Mid ( varInputBuffer , 5, 1)) Dec2 = Asc ( Mid ( varInputBuffer , 6, 1)) RA = RA1 * 256 + RA2 RA = RA / 1.011358 / 3 / 15 Dec = Dec1 * 256 + ...

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• Measurements (ImageJ API)
• GUI (ImageJ API)
• University of Louisville Research Telescope at Mount Kent

. Broadcasting . Microsoft Media Player or . Real Media Player is necessary to view OC "Mir" position in orbit . OC "MIR" position in orbit . Video and audio information archives . 1 . OC "Mir"- "ProgressM1-5" after docking press-conference . 27.01.2001 .

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... Bit . ... Status . Event Time . ... Bits . closed . ... Roof Position . ... automatic . ... 0D:18H:51M:32S . swmode=AUTOMATIC . Roof System . ... 18D:16H:51M:51S . OK SunAltOpen: -1.000000, SunAltClose: -1.000000, SunNow(Alt,Az): +65.769951,-168.421600 . Time of Last Reboot: 29 Days, 21h:28m:00s . Time of ObsDaemon Reboot: +2457458.4259953703731298 (uptime: 29 days, 21h:26m:24s) . ...

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• Mark 2 Consciousness
• Tom Kaye Science at Winer Observatory.
• Winer Observatory Engineering Roof Page