Astronomy Picture of the Day . Centaurus A: X Rays from an Active Galaxy . ... CXO , NASA Explanation: Its core hidden from optical view by a thick lane of dust, the giant elliptical galaxy Centaurus A was among the first objects observed by the orbiting Chandra X-ray Observatory . ... Publications with keywords: active galaxy - X-ray - NGC 5128 - Centaurus A . Publications with words: active galaxy - X-ray - NGC 5128 - Centaurus A . ... X Ray Stars of Orion . ... Jumbled Galaxy Centaurus A . ...

... and visitors enjoying the 3-D views of the Sun . at the Royal Society Summer Science Exhibition in July 2007. The Armagh Observatory is providing a special Living with a Star exhibition at the Armagh Planetarium, from Tuesday 18 to Saturday 22 September. ... It presents amazing 3-D images and movies of the Sun, our nearest star, as well as hands-on material to illustrate magnetic fields and ultraviolet light, and an interactive slide show and live images of the Sun. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . ... This close-up look at Comet ISON (C/2012 S1) is from NASAтАЩs Hubble Space Telescope. This image was captured on 10 April 2013, when the comet was at a distance of 386 million miles (slightly further than Jupiter) from the Sun. ... Image credit: NASA, ESA, J.-Y. Li (Planetary Science Institute), and the Hubble Comet ISON Imaging Science Team) . ...

... 2001 August 16 . Centaurus A: X-Rays from an Active Galaxy . ... CXO , NASA . ... Astronomers were not disappointed, as Centaurus A's appearance in x-rays makes its classification as an active galaxy easy to appreciate. ... Blasting toward the upper left corner of the picture, the jet seems to arise from the galaxy's bright central x-ray source -- suspected of harboring a black hole with a million or so times the mass of the Sun. ... About APOD | ... NASA Technical Rep.: ...

... ESO PR Photo 07a/01 . ... ESO PR Photo 07b/01 . ... Caption : PR Photo 07a/01 shows Comet Hale-Bopp , still active at a distance of nearly 2,000 million kilometres from the Sun. ... This is quite unusual for a comet and is clearly confirmed on the present photo ( PR Photo 07a/01 ) from the WFI camera on the MPG/ESO 2.2-m telescope at La Silla, obtained a few days ago. ... ESO-Chile . ... ESO PR Photos 07a-b/01 may be reproduced, if credit is given to the European Southern Observatory (ESO). ...

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

Black holes . ... Black holes are objects for which the gravitational attraction is so strong that nothing, not even light, can escape from it. ... The material inside a black hole is concentrated into a singularity: a single point of infinitely high density where space and time are infinitely distorted. ... The existence of such black holes has been inferred in cases where the black hole pulls gas of a companion star that orbits around it. ... Gravity's Fatal Atraction: Black Holes in The Universe. ...

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Our people overview . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Orientation and Evolutionary Effects in Active Galactic Nuclei . ... In this invited review, I present observational results of Active Galactic Nuclei that my colleagues and I have recently obtained. ...

The McDonald 30-inch Prime Focus camera (f/2.98) uses a thick, front-side illuminated Loral-Fairchild 2048x2048 CCD with a Metachrome II coating. ... Hence, placing a 2048x2048 CCD at the Prime Focus would result in an angular field of view of approximately 1 square degree. ... These kinds of galaxies, previously unknown, represent a new population of objects that has recently been discovered by members of our team (see May 1994 issue of Discover magazine) using wide field CCD imaging techniques. ...

... May 15, 1998 . TRACE and the Active Sun . Credit: Courtesy CFA , TRACE Team , NASA . ... It shows graceful arcs of intensely hot gas suspended in powerful looping magnetic fields which soar above a solar active region. ... By operating the TRACE instruments during the Sun's increasingly active phase, scientists hope to explore the connections between complex solar magnetic fields and potentially hazardous solar eruptions. ... About APOD > . ... NASA Technical Rep.: ...

... REGISTRATION . ... 119991, Leninski prospekt 53, Moscow, Russia . ... From radio to gamma rays results from space and ground based solar observatories . ... The Sun with high temporal and spatial resolution new look from SDO . ... Towards the Sun: InterHelioProbe, Solar Orbiter, PROBA-3, Solar Probe + . ... The Sun as a star: solar cycle and space weather . ... Head: E. DeLuca (SAO, USA), V. Kuznetsov (IZMIRAN, Russia) . ... June 1, 2011 (Wen) . ... Online publication of the workshop's program . ...

... We have opened the site of the IX Russian-Finnish Symposium: http://cats.sao.ru:/~satr/RFSymp/ . The IX Russian-Finnish Symposium will take place in Special Astrophysical observatory RAS October 15-20, 2006. ... October 15, Sunday . ... Invited reviews and reports (Solar session) . ... Invited reviews and reports (AGN session) . ... Invited reviews and reports, (Radio sources session) . ... Invited reviews and reports (Radio session) . ... Invited reviews and reports, (Stellar activity) . ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... The ASN is Located in Northern Nevada. ... Listed Since August 21, 2005 . ... Web Site . http://www.sierrastar.org, http://gwastro.blogspot.com . ... Web . www.astronomy.net . About Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... We are now headed into a time of increased solar activity. Scientists now have more capability to study and monitor activity on the Sun, including satellites such as STEREO and the Solar Dynamics Observatory. ... The Sun s Activity and Space Weather: . A Collection of Activities and Resources to Get Behind the Headlines . ... This episode of Astronomy Behind the Headlines introduces us to the energetic atmosphere of our local star and how it can send great gusts of charged particles our way. ...

. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

... Continent-sized radio telescope takes close-ups of Fermi active galaxies . Observations solidify a theory about radio-emitting jets emanating from supermassive black holes at the centers of active galaxies. ... The study solidifies the link between an active galaxy's gamma-ray emissions and its powerful radio-emitting jets. ... All this points to the team's conclusion that the portion of an active galaxy's radio jet closest to the galaxy's core is also the source of the gamma-rays Fermi detects. ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

... Notre Dame de Paris Cathedral. ... Notre Dame and Cite Island from la Seine river. ... Luxembourg palace. ... Observatory avenue. ... Marshal Ney monument. ... Trip by Seine river. ... Paris view from Montmartre. ... King Louis XIII monument at Vosges. ... King Louis XIV monument. ... Old view to Seine and Conciergerie. ... Old view to Seine. ... Paris Observatory building. ... Khaltygin, Strelnitsky, Barsukova and Miroshnichenko. ... Louvre view from Seine river bus. ... King Louis XIV. ... Palace....

... 216, Astronomical Data Analysis Software and Systems IX, eds. N. Manset, C. Veillet, D. Crabtree (San Francisco: ASP), 385 . ... A software system for active control of the KPNO 4-meter primary mirror is presented. The system consists of an embedded PC running RT-Linux, controlling a set of A/D and D/A modules. ... The primary mirror is supported by 33 pressurized units. ... The communication with the Telescope Control System is implemented using a KPNO standard ``software router'' package. ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...