... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...

Getting to Moscow from the airport: There are three international airports in Moscow: Sheremet'yevo , Domodedovo , and Vnukovo . All three are connected to Moscow through a high-speed railway, called Aeroexpress , with moderately priced tickets (320 rubles, approx. ... The point of arrival is a rail terminal, which is connected to a subway station: Byelorusskaya for Sheremet'yevo, Paveletskaya for Domodedovo, and Kievskaya for Vnukovo. The map of Moscow Metro (subway) is found in Wikipedia. ...

... Tonight's Sky . ... Sky this Month . ... solar system . ... milky way . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Observe the Solar System . Astronomy for Kids . ... Tour the Solar System . ... In what direction and at what speed is the solar system moving through the Milky Way? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Join Astronomy for America's 2017 total solar eclipse! ...

... The greater the distance, the smaller the parallax. ... That triangle has the same proportions as the much larger triangle ABC, and therefore, if the distance B'C to the thumb is 10 times the distance A'B' between the eyes, the distance AC to the far landmark is also 10 times the distance AB. ... The most distant objects our eyes can see are the stars, and they are very far indeed: light which moves at 300,000 kilometers (186,000 miles) per second, would take years, often many years, to reach them. ...

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Workshop Home . ... Travel to Baltimore . ... Baltimore, MD 21218 USA . ... Travel options between Washington, D.C. and Baltimore are discussed below for those participants that will also be attending the "Communicating Astronomy to the Public Conference that immediately follows this workshop on October 1-3, 2003 in Washington D.C. ( http://www.nrao.edu/ccap/ ). ... Airport: The closest is Baltimore-Washington International Airport (BWI), which is about 13 miles (25 minutes) from the Institute. ...

T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

... The very first step after correcting bias, dark, and overscan is to find the edges of the slitlets. This is done by the command LOCATE/MOS . This command takes the central trace of a flat-field and detects the edges of the slitlet by simple threshold comparison. ... The offsets in dispersion direction between the slitlets will be read from the header of the flat-field frame for FORS data and stored in :xoffset . ... The actual flat-correction is then performed with COMPUTE/IMAGE . ...

This source is hiding behind our Galaxy at a distance of ~18 Mpc, located at a galactic latitide of 0 degrees. ... As we look towards longer wavelengths, 60 micron, to try and penetrate the Galactic Plane, we still see confusion from galactic sources. ... If the image seems some what confusing that is because the MOST is a continuum radio telescope and when it looks in the direction of our Galaxy it detects radiation from sources within our Galaxy and from sources that may lie behind our Galaxy. ...

Hall of the States Building . 444 North Capitol St., NW . ... The Hall of the States Building is directly across the plaza from Union Station. ... Head right on Massachusetts Avenue for less than one block and take a left onto North Capitol Street (heading towards the U.S. Capitol). The building is on your right at 444 North Capitol Street. Important Note: The Hall of the States Building has security, and therefore checks visitors against the list of participants. ...

... As is known, the observed distribution of massive stars in the direction of the Galactic center looks very peculiar: the vast majority of all massive stars are concentrated towards the central 1 pc or so (Genzel et al. ... In order to compare the observed distribution of X-ray sources in the Galactic center with what would be expected from the population synthesis computations, we have considered two hypothetical scenarios for the location of the starburst. ...

Restored velocity field of NGC 157 in the reference frame rotating with the pattern speed overlaid on the H_alpha image of the galaxy. ... The line-of-sight velocity fields of gaseous clouds in galactic disks of NGC 157 were analyzed by the method of reconstruction of 3D vector velocity field --- three components of velocities. ... This figure is produced with the help of software VORTEX developed in the Institute of Astronomy of the Russian Academy of Sciences. ... Back to Project Vortex. ...

... NGC 3293: A Bright Young Open Cluster . ... Hot blue stars shine brightly in this beautiful, recently formed galactic or "open" star cluster. Open cluster NGC 3293 is located in the constellation Carina, lies at a distance of about 8000 light years, and has a particularly high abundance of these young bright stars. ... Galaxies Away . ... The center of galaxy NGC 1808 is bursting with new stars, but why? Being a barred spiral galaxy makes NGC 1808 somewhat similar to our own Milky Way Galaxy. ...

... Smoke sighted . ... B. Call USFS at 437-2286, provide fire info as well as local weather data. ... B. 3.5m telescope: Face enclosure into smoke direction and turn on PF1. 2.5m telescope: Turn on HVAC system or set system for 1.0 pressurization. ... If time permits and immediate evacuation is not ordered: . a. make sure everyone on site is awake and aware of . ... Echelle: Top off LN2, (if time does not permit, turn Ion Pump off, turn off camera power) . DIS: Turn off camera electronics . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The projected distance of VFTS 682 to the cluster R136 is 29 pc (for an assumed LMC distance of 50 kpc). ... VFTS 682 is located in an active star-forming region, at a projected distance of 29 pc from the young massive cluster R136 in the Tarantula Nebula of the Large Magellanic Cloud. ... Our aim is to obtain the stellar properties, such as its intrinsic luminosity, and to investigate the origin of VFTS 682. ...

... 2. (a) Metallicity function and relations between (b) metallicity and radial velocity, (c) metallicity and maximum distance from the Galactic plane,and (d)metallicity and variability period for RR Lyrae variables in the initial sample.The curve in the first graph is the maximum-likelihood approximation of the distribution using a sum of two normal curves with the indicated means,dispersions,and total numbers. ... next figure | privious figure . ...

... Planets . ... Earth Satellites . ... Looking in the direction of the constellation Cygnus the Swan and launched by NASA in 2009 is the Kepler Space Observatory.Many previous missions searching for exoplanets mainly detected large giant planets, like large hot Jupiters (it is easier to detect larger planets).However KeplerтАЩs main objective is to search for much smaller planets located in a habitable zone which is not too close nor too far from their star; planets which may be just like our Earth. ...

... About ATMoB . ... Events . ... Located in Westford, MA, less than an hour's drive from Boston. The clubhouse is maintained for members, but any non-member may visit with a member or by other prior arrangement (see the Contact Us page). The clubhouse is located on the grounds of MIT's Millstone farmhouse in Westford, MA. ... View sky above the clubhouse. ... Upcoming Clubhouse Events.. ... About the Club . ... ATMoB Club House . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

True Color Image Gallery: Galactic SNR | ... Common Name: SGR 1900+14 . ... Description: bright SGR located well outside shell of remnant . ... Exposure uf . ... Exposure uf Exposure time of unfiltered event file . Exposure f Exposure time of filtered event file . not clear if SGR and remnant are associated . ... Event 2 FITS File . ... Pileup model used to correct spectrum but index probably uncertain. see fit detail page for more about the fit. see chandra spectrum page for region used. ...

... 22c. Flight (1) . ... 24a.The Rotating Earth . ... Assuming our rocket and spaceship are provided--how should they be aimed, and how long would the flight take? As an approximation assume that the orbits of Earth and Mars are both circles in the same plane, centered on the Sun. ... That is an ellipse with perihelion P (point closest to the Sun) at the orbit of Earth and aphelion A (point most distant from the Sun) at the orbit of Mars (drawing). ... The length PA of that ellipse is, in AU, . ...