... Fundamentals of Aperture Antennas and Arrays . ... Summary: The types of aperture antennas covered in this book include the main types of horns, reflectors and arrays as well as microstrip patches, reflectarrays and lenses. ... Also included is an introduction to arrays on non-planar surfaces, which is of importance for applications that involve curved surfaces such as in aerodynamics or for making aperture antennas unobtrusive. ... today * ATNF | ...

... Credit Copyright: CNSA , Chinanews , Kenneth Kremer Marco Di Lorenzo Explanation: Where has the Yutu rover been on the Moon? Arriving in 2013 mid-December, the Chinese Yutu robotic rover has spent some of the past month and a half exploring Mare Imbrium on Earth's Moon . ... Pictured above is a digitally created time-lapse composite panorama showing the region surrounding the Chang'e 3 lander , capturing the desk-sized rover in three positions. ... Comet Meets Moon and Morning Star . ...

. Image created by Miruna Popescu, showing some of the objects displayed in the Armagh Observatory's Human Orrery. Original images from NASA were used.

... 2010 . ... The following images are mosaics obtained on 03 August 2010 at the National Solar Observatory/Dunn Solar Telescope with the Interferometric Bidimensional Spectrometer (IBIS). ... The final images are approximately 238 x 242 arcseconds, or 4 x 4 arcminutes, with a pixel scale of 0.0976 arcseconds per pixel. ... The images show a broad range of typical chromospheric structures, including sunspots, superpenumbra, plage, filaments, and quiet internetwork. ...

East Dubuque,Illinois, USA . Greetings from our East Dubuque School to Zelenogorsk. ... Our classes are in the high school link. ... East Dubuque is a small town of about 2,000 people. ... Our high school here in East Dubuque is also pretty small, it only has about 190 . ... I go to school in east Dubuque IL This is a very small town . ... I am now 16 years of age, and a junior at East Dubuque High School. ... I am a senior at East Dubuque High School. ... people in the town of East Dubuque. ...

... Astrophysics Group . Graduate Research Opportunities 2016 . Available research projects/areas . ... Astrophysics Admissions Form . ... This includes active participation in the development of new instruments as well as the use of ground and space observatories. ... Further details are available at the following web site: http://www.mrao.cam.ac.uk/research/extragalactic-group-2/ . ... Our research group has a wide range of expertise in the development of receivers for radio astronomy. ...

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

KOLIBRY KONSTRUKTOR EDUCATION-SA EDUCATION WINOGRAD CHONDRO VIDEO-2 APIS THEBAS ARISS-2 VIDEO-3 ARISS-3 SEEDS GRAPHABOX BUGENERGY BOP ESD ARISS-4 CHROPHYL MATI-75 TOP PICTURE ARISS-TV MAI-75 FIZIKA-OBRAZOVANIE . ... EXPERIMENTS AND RESEARCHES . ... PICTURE EXPERIMENT . ... The PICTURE kit, . which includes 2 sets of paints, a box and 6 sheets of paper. Box . ... A set of paints . The set of paints consists of 4 sealed packages filled with various water-base paints. ... EXPERIMENT RESULT: . ...

... For a timeline of the exploration of the magnetic environment of the Earth, Sun and Planets, see here . ... Galileo Galilei (1564-1642) builds the first astronomical telescope and observes for the first time craters on the Moon, satellites around Jupiter, and the way Venus goes through phases like the Moon (crescent, etc.) ... 17 December--First successful flight by the Wright brothers at Kitty Hawk, North Carolina. ... 16 March--Goddard launches his first liquid-fuel rocket. ...

... Universe At Your Fingertips Activities TOC . ... Why do we have stereotypes about what an astronomer looks like? ... A reading list on 20th century astronomers and their work is included in the Resources Bibliographies section of the Universe at Your Fingertips. ... Be sure the students do the activity before the astronomer comes. ... After the visit, give students an opportunity to talk about how the astronomer was similar or different from the mental picture they had before the visit. ...

... 333/2 including HTML versions of articles . ... 332/3 including HTML versions of articles . ... 331/3 including HTML versions of articles . ... 330/3 including HTML versions of articles . ... December 1997 . ... November 1997 . ... Indexed/abstracted in Astronomy and Astrophysics Abstracts, CAS, Current Contents, INIS, Inspec, Physics Abstracts, Physics Briefs, PHYS on STN, Science Citation Index, Technical Information Center/Energinfo, and Zentralblatt f r Mathematik . ... helpdesk@link.springer.de...

Order my book on Peer Instruction for Astronomy ! ... The book includes hundreds of ConcepTests, and was distributed FREE to most intro astro instructors across the country. ... By encouraging student participation and interaction during the lecture, Peer Instruction encourages students to critically think through the arguments being developed, and to discuss their ideas and insights with their neighbors. ... Student satisfaction with the courses have been high. ... Back to Paul Green's HomePage . ...

Main Program Travel Where to go in Moscow Information . ... The 2014 year marks the 100th anniversary of Yakov Zeldovich . ... John Carlstrom (University of Chicago) . ... Lyman Page (Princeton University) . ... The conference will be held at the Space Research Institute (IKI) in Moscow, Russia, on June 16-20, 2014 . ... International Conference: Cosmology and High Energy Astrophysics (Zeldovich-90) 20-24 Dec 2004, Moscow, Russia . ... 2014 Space Research Institute, Moscow Русская версия ...

... Field of research: Extragalactic astronomy. ... NASA Astrophysics Data System (ADS) Abstract Service . ... CADC Home Page . ... CCD Images of Galaxies . ... RUSSIAN LINKS . ... UA Astronomy Personal Home Page - Bill Keel . ... The Shape of the Rotation Curves of Edge-on Galaxies, by A.V.Zasov and A.V.Khoperskov, 2003. ... A Thickness of Stellar Discs, by A.V.Zasov, and D.V.Bizyaev, 2003 . Minimum Velocity Dispersion in Stable Stellar Disks, by A.V.Khoperskov, A.V.Zasov, and N.V.Tyurina, 2003 . ...

... Physics . ... Electrodynamics and magnetic field of the Earth's magnetosphere. ... Until his retirement in 2001, Stern was associated with GSFC, studying theoretical aspects of Earth's magnetosphere, in particular its large-scale electrodynamics, global description of its magnetic fields and particle motion. ... The first one (non-mathematical) covers magnetospheric physics, is titled " The Exploration of the Earth's Magnetosphere " and its home page is at http://www.phy6.org/Education/Intro.html . ...

. Interior of plenum, including the cover

... Observing . ... Subscriber Extras . ... Web Extras . ... Observing Podcasts . ... Dave's Universe . ... Phil Harrington's binocular universe (December 2007 web extra) . FROM THE December 2007 ISSUE . After you tour the Pleiades in the December issue, check out these M45 fun facts, introduction to binoculars, and a December observing assignment. By Phil Harrington Тљ|Тљ Published: Monday, October 22, 2007 . ... Get instant access to subscriber content on Astronomy.com! ...

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Star Clusters . ... FLAMES . ... 100 Hours of Astronomy . ... IMAX€о 3D Film Hidden Universe . ... This image, the first to be released publicly from VISTA, the worldтАЩs largest survey telescope, shows the spectacular star-forming region known as the Flame Nebula, or NGC 2024, in the constellation of Orion (the Hunter) and its surroundings. ...

. My astronomical research interests center on galaxy structure and evolution. Current topics include: . Polar-ring and interacting galaxies (see also new catalogue ) . Galaxy warps: statistics, properties and origin . Spiral galaxies at z~1: radial and vertical structure of stellar disks, statistics of interactions . Surface photometry and kinematics, dynamical modeling . Observational cosmology . Joomla Counter since Sep 1997

Lectures . ... Lecture Series 2014-2015 . ... Clear Sky Chart . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the public. ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...