Astronomy Picture of the Day . Mercury's Surface in Exaggerated Color . ... Credit Copyright: NASA / JHU APL / CIW Explanation: The robotic MESSENGER spacecraft recently completed over 100 orbits of Mercury . ... Otherwise, to the unaided human eye, Mercury's surface colors would appear comparatively muted . ... Publications with keywords: Mercury - Mercury program - Mercury surface - Messenger - color . Publications with words: Mercury - Mercury program - Mercury surface - Messenger - color . ...

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• XWare > APOD

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2011 June 16 . Mercury's Surface in Exaggerated Color . Credit: NASA / JHU APL / CIW . ... This sharp image combines three of the MESSENGER wide angle camera's colors, but in exaggerated fashion. Otherwise, to the unaided human eye, Mercury's surface colors would appear comparatively muted . ... About APOD | ...

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• APOD: 2014 September 26 - MAVEN at Mars
• APOD: April 2, 1997 - A Complete Aurora
• APOD: 2007 December 3 - A Complete Solar Cycle from SOHO

HUBBLE SPACE TELESCOPE DAILY REPORT #2688 PERIOD COVERED: 0000Z (UTC) 08/16/00 - 0000Z (UTC) 08/17/00 Daily Status Report as of 230/0000Z 1.0 OBSERVATIONS SCHEDULED AND ACCOMPLISHED: 1.1 Completed STIS/CCD 8439 (Bias Monitor-Part 2 C8) The Space Telescope Imaging Spectrograph (CCD) was used to monitor the bias in the 1x1, 1x2, 2x1, and 2x2 bin settings at gain=1, and 1x1 at gain = 4, to build up high-S/N superbiases and track the evolution of hot columns. ... The proposal completed nominally. ...

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• http://www.stsci.edu/ftp/observing/status_reports/old_reports_93/hst_status_11_09_93
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_99/hst_status_04_09_99
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_00/hst_status_03_15_00

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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• Astronomy HyperText Book

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

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Next: MASSES Up: EXTREME HELIUM STARS: PULSATION Previous: STELLAR PROPERTIES . ... Following main-sequence evolution, a red giant star in a close binary system may expand to fill its Roche lobe. ... Although Iben & Tutukov (1984) used this model to account for the EHes, the latter are not binaries (Jeffery et al. ... Final helium-shell flash in a post-AGB star. ... Accretion from the disk onto the surviving WD creates a star with a degenerate CO core and a helium envelope. ... Other models. ...

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• The Chemical Evolution of FGSge
• M.E. Bailey, Director
• Armagh Observatory PhD Theses

... AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) AGES Precursor Observations · Targeted the M74 ( NGC 628) group · Noise falls as t (to 200s) · Detected 5 galaxies in the group KDG 010 dw0137+1540 UGC 1171 AGES Precursor ...

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• http://www.naic.edu/vscience/schedule/tpfiles/RosetagA1633tp.ps
• http://www.naic.edu/~astro/hiconference/hiconf_pdfs/aohi_mph1.pdf
• AGES - the Arecibo Galaxy Environment Survey

... Projects . Data transfer . ... PPTA projects and allocations . ... Time active (d) . ... Not active . ... PPTA data release 2 . ... unallocated Study timing noise in PPTA pulsars . ... unallocated Reprocess P140 data with PPTA pipeline . ... unallocated Consider the optimal observing strategy for PPTA pulsars . ... unallocated Application of cyclic spectroscopy to PPTA pulsars . ... Profile Domain Pulsar Timing: Developing and applying techniques to PPTA data. ... Tue, 24 Nov 15 03:36:53 +0000 . ...

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• Late Stages of Stellar Evolution
• Research
• The completeness and reliability of threshold and false-discovery-rate source

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

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• Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN

... Space Research Institute . ... Main research and development work completed in 2009 and ready for implementation . ... Development of the Northern Eurasia land cover map based on medium spatial resolution satellite data. ... The research and development has been completed of the first in Russia and in the whole world high-speed digital streams decoder for space and satellite channels with extremely high noise levels. ... Main research and development work completed in 2008 and ready for...

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• Main results of the experimental and theoretical research completed in 2010
• Main research and development work completed in 2010 and ready for
• Main research and development work completed in 2012 and ready for

... Pre-university education . ... Facilities and equipment . ... SSAU History . SSAU roadmap . ... Contacts . ... The scientists of Samara State Aerospace University have completed dynamic tests of the first Russian university nanosatellite SamSat-218D created by SSAU students. ... It has already passed the whole set of tests and transferred to the Rocket and Space Centre Progress . ... The whole test cycle of the nanosatellite SamSat-218D (Module Contact-Nanosatellite") will be completed in July. ...

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... Bojan Nikolic web pages (r. 329) . A gallery of interacting galaxies . ... The history of star formation and mass assembly in early-type galaxies . ... Abstract . ... Complete plots of radiospec analysis . Analysis of (radio) spectra . ... Nested Sampling in R & analysis of spectra . ... Paper II: Spinning dust in galaxies . ... The search results are restrict to these pages only . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

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• Galaxy Evolution: The origin and evoltuion of radio sources
• Galaxy Evolution: Radio sources and their environments
• Astrophysics Group Opening of Battcock Centre for Experimental Astrophysics

Since the days of Sputnik and Explorer 1, thousands of spacecraft have gone into space, some of them carrying human passengers. The first person to orbit the Earth was the Russian Yuri Gagarin, on April 12, 1961. The first American to do so was John Glenn, who completed three orbits on February 20, 1962; more than 26 years later, at age 77, Glenn returned to space aboard the space shuttle. ... in orbit. ... Manned satellites include various " space stations " intended for long-term residence. ...

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• History of Space Exploration

... Gallery . ... The Common Room roof is completed . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . ... Title: The Common Room roof is completed . Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... The Common Room roof is completed NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ...

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• Completed dome
• CHIAKI's Research
• Helmut Jerjen

Next: Observational Zoo of Binaries Up: No Title Previous: Contents . In the early 1980s, our understanding of binary star evolution љ based on the pioneer work by Paczynski (1971)[ 150 ], Tutukov and Yungelson (1973)[ 195 ], van den Heuvel and Heise (1972)[ 201 ], allowed us to construct a general evolutionary scenario љ which successfully explained the genesis of well-studied normal stars and offered potential explanation for new X-ray sources discovered in space experiments. ...

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• Effect of sources evolution on
• Evolution of the double neutron star merging rate and the cosmological origin
• Cosmic Rays and Evolution of Binary Systems

... Space flight . Crew training . ... Space camp . ... acquiring practical habits and skills of performing all the flight operations envisaged for a flight participant; . maintaining and honing professionally required qualities and skills for a successful activity in conditions of effect of adverse factors of a space flight, as well . ... preparing for the activity outside the spacecraft; . ... preparing for professional activity in conditions of effect of the space flight factors; . ...

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... After delivery of all engineering models and SRT test sets to LA main ASC activities were moved to LA as well. ... Special attention was paid to the problem of tests on the electromagnetic compatibility between service and scientific on-board payload. ... The SRT was attached to special supporting frame, and LNA cooling system (NSOTR) was installed on the Focal Container. ... FC Focal Container - hermetic package with the scientific payload; it contains receivers, . ... TVT Thermo-Vacuum Tests . ...

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• RadioAstron Monthly Notices
• Correlator Products

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The S un Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic ... Low mass stars live and die differently than high mass stars. ...

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... Observatory . ... Science . ... Science Users Information > Science Publications > Science Announcements > MUSE Science Verification Completed . ... Observing Facilities . ... Instrumentation Development . ... Observing with ESO Telescopes . ... ESO Data . ... Of the 86 proposals submitted for the Science Verification (SV) of MUSE , a total of 49 proposals were allocated. ... All the SV data are available to the whole user community, subject to the VLT Science Verification Policy and Procedures . ...

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• ESO - Thesis Topic: ALMACAL: the evolution of the molecular gas in galaxies
• ESO - Special Session 1 IAU General Assembly, Rio de Janeiro, Aug 3rd-6th, 2009
• ESO - The Origin and Fate of the Sun: Evolution of Solar-mass Stars Observed

... Baffled, you turn to the waiter. ... The waiter smiles. ... Some prefer small stars while others insist that the larger they are the better they are. ... Of course," he adds, sensing your concern, "you are the guest of Chez Stella. ... Immediately you hear the "tock... tock... tock" of the stopwatch, and you gaze deep into the distant star. ... You hadn't noticed before, but it is giving off vast symmetric clouds of what looks like smoke or dust hanging in the space around the beautiful star. ...

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• ASP: Responsible Exploration
• ASP: Good Astronomy Activities on the WWW
• ASP: Cosmology: The Origin, Evolution & Ultimate Fate of the Universe