... Day unto day uttereth speech, . ... When the Sun is near the horizon, shortly after sunrise or before sunset, a vertical pole or post casts a long shadow. ... On the other hand, the direction of south where the Sun is "highest" above the horizon does not change, and neither does that of north, of the shortest shadow of the day. ... In winter, the Sun's path is shortest, and so are the days. ... After that days get shorter again as sunset and sunrise migrate south again. ... The Sun and Seasons . ...

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STIS Instrument Handbook for Cycle 24 . ... STIS offers the capability to perform spectroscopic observations with occulting bars located in the long slits, and imaging observations with occulting bars in the coronagraphic mask 50CORON . ... The 52X0.2F1 aperture is the same physical slit as 52X0.2 with the target centered on the smaller of the two occulting bars (i.e., 0.5 arcseconds), instead of at the center of the 52X0.2 long slit. ... 52X0.2F1 . ... Correcting Fringing for the 52X0.2F1 Aperture . ...

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Astronomy Picture of the Day . A Sundial that Shows Solstice . ... Only then will the Sun be located just right for sunlight to stream through openings and spell out the term for the longest and shortest days of the year. And that happened last week and twice each year. ... As seen from Fr s n island in northern Sweden the Sun did set a day after the summer solstice. ... IC 2574: Coddington s Nebula . ... WR 134 Ring Nebula . ... Milky Way Above Easter Island . ... Jupiters Rings Revealed . ...

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... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Australian Square Kilometre Array Pathfinder . ... Parkes radio telescope . Australia Telescope Compact Array . ... Very Long Baseline Interferometry . ... Parkes | ... VLBI . ... Square Kilometre Array overview . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... How long will the Sun live? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...

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• the-long-title-of-this-page

The sections <Directory> , <Location> and <Files> can contain directives which only apply to specified directories, URLs or files respectively. Also htaccess files can be used inside a directory to apply directives to that directory. ... The order of merging is: . ... If multiple <Directory> sections apply to the same directory they are processed in the configuration file order. ... Using the options in question is only possible inside a <Directory> section (or a .htaccess file). ...

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... Meta Index / Home Page / Description Unfortunately the periodic HK parameters in the ODF are stored in table columns with very concise non-descriptive names such as E605 [ 3 ]. ... Therefore hkgtigen (via a corresponding service in the CAL) implements a name mapping scheme that allows the user to specify the HK parameters (see task parameters parameters and overrideparameters ) with long descriptive names while the ODF access is transparently performed with the short ones. ...

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_CoolerMode{ Camera_CoolerMode_Off = 0, Camera_CoolerMode_On, Camera_CoolerMode_Shutdown }; enum Camera_Interface{ Camera_Interface_ ISA = 0, Camera_Interface_PPI, Camera_Interface_PCI }; enum Camera_SensorType{ Camera_SensorType_CCD = 0, Camera_SensorType_CMOS }; const long MAXCOLUMNS = 16383; const long MAXROWS = 16383; const long MAXHBIN = 8; const long MAXVBIN = 255; // Number of write only registers const ...

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... Note: Click here a longer, much more comprehensive overview of the polar aurora . ... Magnetic Field . ... Aurora . ... 3b. Fritz Aurora . ... Electrons . ... Typical aurora (Dick Hutchinson ї) . In Alaska, Canada, Norway, Finland or northern Russia, on a clear night, a greenish glow is often seen in the sky, known as the "Northern Lights." ... Auroral light is produced at a height of about 100 km (60 miles) when fast electrons, arriving from space, slam into atoms and molecules of the atmosphere. ...

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... Compute FFT from the input QPOE file . ... output files: rp90_ftp.tab, rp90_pwr.tab . ... Time required for a 10 5 bin transform is 2-3 minutes. xt fft .fftcoeff=no # don't generate a long list of coefficients xt fft . power _thresh=7 # set the significance threshold xt fft input source file (table or time-sorted qpoe file ): rp90_sti.qp root name for output files [rrot_ fft (ftp,pwr).tab]: rp90lng background qpoe file : cr input table column heading: src number of ...

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... ao 12meter . ... from google maps . yiye avila's tower . ... google maps/earth . 922 me