Nearly a million ultraviolet sources appear in this mosaic of the Large Magellanic Cloud, which was assembled from 2,200 images taken by Swift's Ultraviolet/Optical Telescope. The 160-megapixel image required a cumulative exposure of 5.4 days. The image includes light from 1,600 to 3,300 angstroms тАФ UV wavelengths largely blocked by Earth's atmosphere тАФ and has an angular resolution of 2.5 arcseconds at full size. The LMC is about 14,000 light-years across. ...

... Today this year's largest group of sunspots will cross the Sun's central meridian. ... The next day, the number of spots in the group reached five, and the day after, on June 2nd, it was possible to count thirteen sunspots on solar disk, which had been clear prior to this. ... This year's two most powerful active areas, which passed across the solar disk at the beginning of May, 2009, are set to appear in the Sun's eastern sector in two days, on June 6th. ...

... 2015 - 2016 . ... Eugene Higgins Professor of Astrophysics, Princeton University . ... December 8, 2015 . ... November 10, 2015 . ... University of the Sciences in Philadelphia author . ... Amateur Astronomer . ... 2014 - 2015 . ... June 9, 2015 . ... Digital Planetarium and the 2012 Transit of Venus from Hawaii . 2013 - 2014 . ... International Occultation Timing Association . ... 2012 - 2013 . ... 2011 - 2012 . ... Princeton University . ... Amateur Astronomers Association of Princeton, Inc., ...

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . COSMIC CALENDAR . The Cosmic Calendar Activity. If we were to compress the history of the universe (from the Big Bang to the present moment) into one year, you can see where various "cosmic events" would fall in that year. ... The first mammals don't emerge until December 26th, and the first humans come on the scene in the evening of December 31st. ... Return to An Ancient Universe . ...

Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...

... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...

Next: Population Synthesis of X-ray Up: Cosmic Rays and Evolution Previous: Supernova Explosions . Immediately after the discovery of pulsars, especially of the Crab pulsar,   it became clear that rapidly rotating NS are copious sources of relativistic particles. ... Figure 37: Evolution of magnetorotational energy of NS in elliptical and spiral galaxies. ...

XMM­Newton CCF Release Note XMM­CCF­REL­270 EPIC MOS Fixed O#set Tables M.J.S. Smith September 11, 2010 1 CCF Components Name of CCF VALDATE EVALDATE Blocks CAL XSCS Changed Version Flag EMOS1 DARKFRAME 2010­09­02T18:20:17 OFFSET CCD2 NO 0033.CCF OFFSET CCD4 EMOS2 DARKFRAME 2010­09­02T18:20:17 OFFSET CCD4 NO 0031.CCF OFFSET CCD6 OFFSET CCD7 2 Changes The OFFSET blocks in the DARKFRAME CCFs reflect the uploaded MOS fixed o#set tables. ...

... Comet Animation . ... Comet structures are diverse and very dynamic, but they all develop a surrounding cloud of diffuse material, called a coma, that usually grows in size and brightness as the comet approaches the Sun. ... As comets approach the Sun they develop enormous tails of luminous material that extend for millions of kilometers from the head, away from the Sun. ... The evaporated molecules boil off and carry small solid particles with them, forming the comet's coma of gas and dust. ...

... David P. Stern Laboratory for Extraterrestrial Physics NASA . ... Alfv?n's Theory and Electric Fields . ... The debate between proponents of a static corona, Parker's solar wind theory, and an alternative "solar breeze" theory of Chamberlai n [1960, 1961; Dessler 1967] was only settled by observations from space. ... Rapidly spreading plasma clouds produced by solar flares, like those envisioned by Chapman and Ferraro, are sometimes superposed on the solar wind flow. ...

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

http://hubblesite.org/newscenter/archive/releases/1996/22/text/ Probing the mysterious heart of the Crab Nebula, the tattered remains of a stellar cataclysm witnessed more than 900 years ago, astronomers using NASA's Hubble Space Telescope have found that the Crab is even more dynamic than previously understood, based on a cosmic "movie" assembled from a series of Hubble observations. ... Because of this flickering, the neutron star is also called a "pulsar." ...

The angular power spectrum of the anisotropy of the CMB contains information about the formation of the Universe and its current contents. ... The image above shows an all-sky map with only ell=2 power on the left, and another map with only ell=16 power on the right. ... The current status of microwave background anisotropy measurements in my compilation from the literature has 95 data points from 25 experiments. These are all plotted in the figure below: . ...

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... Flights Chronology . ... ISS Russian Segment . ... Missions Archive . ... News . ... Today the teams of S.P. Korolev RSC Energia, foreign specialists and FGUP TsENKI branch office - Yuzhny Space Center began to assemble the Ascent Unit: Intelsat-18 SC on the adapter is docked with Upper State DM-SLB. ... RSC Energia: Progress MS-02 docked with the ISS.' ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...

... 13th European VLBI Network Symposium . and Users Meeting . on September 20-23, 2016. ... 13th European VLBI Network Symposium and Users Meeting on September 20-23, 2016. ... Year book "Ephemerides of Minor Planets for 2016" on-line . ...

Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...

... A faint, dusty rose of the northern sky, emission nebula IC 410 lies about 12,000 light-years away in the constellation Auriga. The cloud of glowing hydrogen gas is over 100 light-years across, sculpted by stellar winds and radiation from embedded open star cluster NGC 1893. ... These "tadpoles" (seen just below center) are regions of denser, cooler gas, and more slowly resist the erosive radiation from the hot stars. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

NEUTRON MONITOR DATA FOR JUNGFRAUJOCH AND BERN DURING THE GROUND-LEVEL SOLAR COSMIC - RAY EVENT ON 29 SEPTEMBER 1989 H. Debrunner, E.O. Flckiger, F. Golliez, R. Btikofer, W. Scuntaro and G. Sebor Physikalisches Institut, Universitt Bern Sidlerstrasse 5, CH-3012 Bern , Switzerland This report contains the data for the ground-level solar cosmic ray event on 29 September ... This monitor is operating since 1986 (Debrunner et al., ... 1987. ...

. Cosmology . Very Early Universe . Cosmic Microwave Background Anisotropy . Dark Matter Models . Large Scale Structure . High Energy Astrophysics . Active Galactic Nuclei . Astrophysics of Compact Objects . Accretion Disks . Scientific Staff: