... 2004 October 26 . Titan Through the Haze . Credit: Cassini Imaging Team , SSI , JPL , ESA , NASA . Explanation: What are these surface features on Titan ? ... The above image mosaic was digitally stitched together from pictures taken at a very specific color of polarized infrared light , a color not absorbed and little scattered by Titan's methane haze . ... Surface features as small as 10 kilometers are resolved from about 340,000 kilometers away. ... About APOD | ...

... 2012: . ... During the study of a deep sample of galaxies in the nearby Lynx-Cancer void on the Indian GMRT radiotelescope in the HI 21 cm line, we discovered an unusual triplet of dwarf galaxies with a low surface brightness (SDSS J0723+3621, J0723+3622 and J0723+3624) in its central part at a distance of 16 Mpc. ... Published: MNRAS, 2013, Volume 428, Issue 2, p.1579-1586 . Discovery of the cosmological evolution of the characteristics of the birthplaces of gamma-ray bursts . ... Archive . ...

Hot subdwarfs are hots stars with masses somewhat less than that of the Sun. ... They are known as sdB stars because their spectra are dominated by hydrogen lines. ... Normally, a red giant will switch on core helium burning without losingthe layers of hydrogen around the helium core. sdOB stars are related to sdB stars, possibly being the sdB stars which have completed core helium burning and are evolving to become white dwarfs. ... Such stars are known as PG1159 stars and DO white dwarfs. ...

RTT150 . ... This optical scheme is similar to 1:7.7 system but has the different parameters of secondary mirror 2 and corrector 3. Primary mirror 1 reflects light to the secondary mirror 2 which collects it on the focal surface of system. Lens corrector 3 is placed between focal surface and the secondary mirror which allows to obtain large flat linear field of 100 mm diameter. Focal length, mm . ... Linear field of view, mm . ... Angular field of view . ... 0.039 mm, %, at least . ...

... Satellite data ] . ... The SCANOR system provides receiving and processing of the Earth-surface pictures made in visible and infra-red bands and transferred by satellites of the NOAA polar orbiter series (in the HRPT mode). ... The SCANOR system includes the desktop receiving device connected to an IBM AT 386 type computer, and the parabolic antenna with the guiding mechanism. The SCANOR system possesses the state-of-art software providing registration and processing of the received data. ...

... 8, ``Celestial Mechanics'', 2002 On figure of a sublimating cometary nucleus Yu. D. Medvedev Institute of Applied Astronomy, St. Petersburg, Russia The problem of the change of the figure of a cometary nucleus when its matter is sublimating from the nucleus surface is considered. ... The evolution of the nucleus figure and rotational parameters is considered taking into account the dust component in the cometary matter. ... D. Evolution of form sublimating cometary nucleus. ...

JSC Turns 40 Home | ... Gallery . Johnson Space Center at 40 Years Imagery . ... S69-39996 --- The first Apollo 11 sample return container, with lunar surface material inside, is unloaded at the Lunar Receiving Laboratory, Building 37, Manned Spacecraft Center. The lunar samples were collected by astronauts Neil A. Armstrong and Edwin E. Aldrin Jr. during their lunar surface extravehicular activity. Curator: JSC Web Team | ... Updated 7/16/2010 . ...

... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Universitetsky 13, Moscow 119899, Russia, shev@sai.msu.ru . ... 1.Sternberg State Astronomical Institute, 119899, Moscow, Russia. shev@sai.msu.ru . ... V.V.Shevchenko, Sternberg State Astronomical Institute, Moscow University, Moscow 119992, Russia, shev@sai.msu.ru . ... 119992 Moscow, Russia; . ... 2Sternberg Astronomical Institute, Moscow University, Moscow, 119992, Russia, . ... Moscow, 119992, Russia shev@sai.msu.ru . ...

SAVE_PHOTO_WHEN_TERMINATE=T, CREATE_PRE_MAIN_SEQUENCE_MODEL=T, PRE_MS_RELAX_NUM_STEPS= 200, LOAD_SAVED_MODEL=F, SAVED_MODEL_NAME=' undefined ', CREATE_INITIAL_MODEL=F, INITIAL_MODEL_RELAX_NUM_STEPS= 10, INITIAL_MODEL_EPS= 5.0000000745058060E-002, RADIUS_IN_CM_FOR_CREATE_INITIAL_MODEL= 0.0000000000000000 , MASS_IN_GM_FOR_CREATE_INITIAL_MODEL= 0.0000000000000000 , STEPS_TO_TAKE_BEFORE_TERMINATE= -1, STOP_IF_THIS_FILE_EXISTS=' ', SET_INITIAL_AGE=F, INITIAL_AGE= ...

... Conference abstracts (PDF, 92k) . 09:30-10:30 . ... Translation flows on Z d covers of compact translation surfaces . ... Coffee . ... Volume entropy for surface groups . ... Ergodicity of infinite translation surfaces . ... Stationary measures on homogeneous spaces . ... Dynamics of SL (2, R ) on Prym eigenforms . ... Symbolic dynamics of a traffic map . ... Ergodic flows and some problems in analysis . ... Connected components of the strata of the moduli space of meromorphic differentials . ...

December 2007 Astronotes 1 The last men on the Moon by Alyson Kerr, Education Support Officer On 14th December 1972, the Apollo 17 crew finished 22 hours of rock and dust sampling and started the journey home. ... The famed Apollo lunar missions had finally ended. ... The crew of Apollo 17 knew that they would be the last to set foot Image Credit: NASA Apollo 17 crew Eugene A. Cernan, Ronald E. Evans and Harrison Schmitt pictured before the flight on the Moon's surface for many years. ...

... PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Testing the non-universality of the low-mass end of the Initial Mass Function in massive Early-Type Galaxies . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... The stellar initial mass function (IMF) in early-type galaxies and the internal distribution of their dark and luminous mass are two of the deepest and most puzzling open issues in modern astrophysics, each of great importance to our understanding of galaxy formation. ...

... Previous: Structure Detection in Low Intensity X-Ray Images using the Wavelet Transform Applied to Galaxy Cluster Cores Analysis . ... It also exploits the PCA's high generalizing ability to implement a simple learning algorithm for sequential compression of remote sensing imagery. ... Growing interest in lossy compression techniques for space-borne data acquisition is explained by the rapid progress in sensors, which combine high spatial resolution and fine spectral resolution. ...

UPPER PANEL: The gas surface density map in log scale. The red circle in the center represents the central protostar. The development of spiral structure in the protostellar disk is evident. Dense protostellar/protoplanetary clumsp form within the spiral arms and are driven into the protostar by the action of gravitational torques. LOWER PANEL: The mass accretion rate onto the protostar as a function of time. The mass accretion rate is characterized by very short ( . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil La photo la plus pr†йcise de la surface du Soleil . ... Dans des conditions optimales, le t†йlescope devrait parvenir †а une r†йsolution de 45 km †а la surface du Soleil. ... 28/01/2016 - La c†‡te Est des Etats-Unis comme neige au Soleil . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

PLASMA PROCESSING REACTOR ON A BASE OF BEAM PLASMA DISCHARGE . ... At IRE RAS the effect of ion beam emission from the region of beam-plasma discharge (BPD) with energy best suited to the tasks of etching and deposition of materials for microelectronics has been discovered. ... Our studies [ 1 - 7 ] showed that the source of a flow of ions with controllable energy and geometry could be created on a base of beam-plasma discharge (BPD). ... Beam plasma reactor schematic . IRE RAS 1996-20 10 ...

... We focus on the mass loss that stars experience along the way to their final stage as white dwarfs Evolution of a Sun-like Star 1. ... 2009): M WD = 0.339 + 0.129M Fit the clusters using both sets of models and a linear IFMR ages 95% Posterior Intervals (M Sun Simulated: Yi Fit: Yi 8 Simulated: Dotter Fit: Yi Simulated: Yi Fit: Dotter ) 6 logAge 4 8.4 8.6 8.8 9.0 9.1 9.2 9.4 9.6 2 2 4 6 8 Sun 2 4 6 8 Sun 2 4 6 8 Sun True Initial Mass (M ) True Initial Mass (M ) True Initial ...

ATM Forum Message . ... Post . ... Testing Convex Surfaces. ... Post Message | ... There are several ways to test convex surfaces. You can test through the glass. ... Next is making a test plate and doing the convex measurement just like doing two flats against each otehr. ... Next is using a larger lens to test the surface. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Astronomers once thought Pluto's atmosphere would condense down to the surface as it moved away from the Sun. Can that still be true, and if so, is that causing the surface features we now see? ... This is almost certainly because the atmosphere which is nitrogen, like Earth s atmosphere is also frozen as ice on the surface. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...