... 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! ...

... Recent Topics . ... MAO main . ... The third-order space-by-time relation . ... Тема: The third-order space-by-time relation . ... The mass m experiences a gravity force toward the sun and . ... will experience the Coriolis force or Coriolis acceleration. ... differentiated space-by-time twice and discovered equation2. ... If one differentiates . ... time differentiation of space-by-time. ... third-order space-by-time relation. ... understand the third-order space-by-time relation. ... MAO NASU . ...

... Of the many interesting details that have become visible, one that particularly draws the eye is Barnard's Loop , the bright red circular filament arcing down from the middle. ... The bright orange star just above the frame center is Betelgeuse , while the bright blue star on the lower right is Rigel . Other famous nebulas visible include the Witch Head Nebula , the Flame Nebula , the Fox Fur Nebula , and, if you know just where to look, the comparatively small Horsehead Nebula . ...

... Science . ... Science Users Information > Science Publications > Science Announcements > Additional Scope for ALMA Long Baseline Science Verification Targets . ... The ALMA Long Baseline Campaign, taking place from 1 September to 30 November 2014, has been proceeding well. As a result, the observatory has decided to expand the scope of the capabilities to be demonstrated with two Science Verification (SV) targets with Band 7: the pre-main sequence star HL Tau and the gravitational lens SDP 81. ...

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November 1-4, 1993 . ... On Nov 2 (b), strong evolution of the chain takes place during the LDE/CME event occurred in AR 7613 (see Figure 2 for details): new chain fragments are developed from the regions 1 and 2 eastward and westward respectively. (d)-(e) - Comparing the Nobeyama radio heliograms with the Yohkoh/SXT images, one can see that during three days the long-living chain between sources 1 and 2 coincides with a sharp SE boundary of the large coronal hole. ...

Blackholes2 Forum Message . ... Post . ... I Read Somewhere . ... Post Message | ... that matter spurts out of the spinning black hole along its axis of rotation in both directions, and some other thing only has a jet in one direction, thus allowing the astronomer to distinguiosh the black hole from the thing. ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Refinements on precession, Nutation , and Wobble of the Earth VИronique Dehant, Royal Observatory of Belgium ROB rigid Earth nutation Forced Nutations oceanic/atmospheric corrections Non-rigid Earth nutation model Earth response comparison with observation Earth interior model ROB Earth rotation changes due to the core ; core - mantle coupling coupling mechanisms: topographic ...

... the radiative transfer equation (RTE) for the randomly-irregular magnetized plasma has been derived on the base of general grounds of the multiple scattering theory . ... Solutions of several absolute tasks of the scattering theory have been obtained (on the optical depth of the ionospheric plasma layer, on the value of radio wave anomalous attenuation, on anomalous refraction, on the backscattered signal intensity for the source being placed within a plasma layer). ...

The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...

Stellarium 0.12.3 . ... Classes . ... FileљStructure . ... Protected Member Functions | ... StelSkyPolygon Class Reference . ... StelSkyPolygon (const QString &url, StelSkyPolygon *parent=NULL) . ... StelSkyPolygon (const QVariantMap &map, StelSkyPolygon *parent) . ... voidљ . ... initFromUrl (const QString &url) . ... initFromQVariantMap (const QVariantMap &map) . ... loadFromQVariantMap (const QVariantMap &map) . ... Definition at line 31 of file StelSkyPolygon.hpp . ... const QString &љ . ...

... Additional Credits to : The DOOMFEST guys from Steward Observatory ================================================================ * Play Information * Episode and Level # : MAP01 Single Player : Yes Cooperative 2-4 Player : Yes Deathmatch 2-4 Player : No Difficulty Settings : Not implemented New Sounds : No New Graphics : No New Music : No Demos Replaced : None * Construction * Base : New level from scratch Editor(s) used : DCK 2.2 Known Bugs : May bog down anything less that a 486-66. ...

Scaling relations and intrinsic motions in the interstellar neutral hydrogen clouds . ... Diameters, masses and velocity dispersions of about 7600 HI clouds were determined on the base of HI RATAN-600 Survey in the second and third quadrants of galactic longitudes in 180 degree 100 dg. ... It is shown that other important dependence - velocity dispersion versus cloud diameters, that is found from molecular clouds, in the case of HI clouds is completely absent ( figure 2 ). ... Figure 1. ...

Next: Polarization efficiency: size/shape/orientation effects Up: Optical properties of cosmic Previous: The 2175? feature . To model the interstellar polarization one needs to calculate the forward-transmitted radiation for an ensemble of non-spherical aligned dust grains. ... Let non-polarized stellar radiation passes through a dusty cloud with a homogeneous magnetic field. ... The angle between the line of sight and the magnetic field is ( ). ... where the angle is connected with and ( ). ...

... The following script will create an individual qpoe file (64x64 pixels) for each obi, with the filename containing the obi number. ... This script will then produce smoothed image files and send a contour plot to either the screen or the printer. ... On rare occasions, it may be useful to examine each phase bin visually to evaluate the segments in order to decide if some should be deleted before restacking for the final result. ... The qpoe file will be named by obi and phase number. ... phase_eval ...

Magnetic Stars, 2011, pp. 444 ­ 449 On Magnetic Field Generation Mechanisms in Astrophysics Cherny O. G. 1 2 Central (Pulkovo) Astronomical Observatory RAS, Saint­Petersburg, Russia Saint­Petersburg State Polytechnical University, Saint­Petersburg, Russia Abstract. ... The lines of force of this field ON MAGNETIC FIELD GENERATION MECHANISMS IN ASTROPHYSICS 445 are assumed to be frozen in the primary plasma, with the magnetic field increasing as the plasma is compressed. ...

... The current version 5.2.1 will see only minor additional revisions through 2010. October 14, 2010 =============== To do: Add home on startup of bisque/mks Add southern hemisphere tracking direction change to bisque/mks Check southern hemisphere mappings in bisque/mks Check lower horizon limit Known problems on release of 5.2.1: With 64-bit OS's there are warnings from Motif on compilation. ... Pointing corrections, while available in software, are not fully tested. ...

... Consequently, it is inappropriate to expand and in ordinary spherical harmonics. The proper expansion expresses both and simultaneously in terms of a particular order of generalized spherical harmonics. ... Generalized spherical harmonics start at , and for each , . ... Generalized spherical harmonics obey a sum rule analogous to a familiar one for ordinary spherical harmonics, but it includes an explicit phase factor which depends on the orientation of the two lines of sight. ...

... Laboratory for Spectroscopy of Molecular Structures . ... Optics and spectroscopy of molecular and liquid crystals, fullerenes, superthin molecular films. Optical studies of structure, phase transitions, pretransitional phenomena, structural modifications in external field and under high pressure. ... Methods developed in the laboratory enable to determine in free standing films of different types liquid crystals values of polarization, two-dimensional constants of orientational elasticity. ...

... In spite of the good potential possibilities, some of the station "Dnepr" design characteristics did not allow us to apply the usual special IS radar measurement methods. ... Thus for IS signal measurements at the "Dnepr" station, we have developed special methods for recording and processing IS signals in order to determine plasma ionospheric parameters. ... Equations (4-5) from the basis for data post processing to obtain ionosphere parameters. ...