... Earth's North Magnetic Pole . ... A magnetic compass does not point toward the true North Pole of the Earth. Rather, it more closely points toward the North Magnetic Pole of the Earth. The North Magnetic Pole is currently located in northern Canada. ... Globular star cluster Palomar 13 has roamed the halo of our Milky Way Galaxy for the last 12 billion years. ... Here is what a meteor shower looks like from orbit. ... Last year, the 1999 Leonids Meteor Shower came to a tremendous crescendo. ...

... 2011 November 13 . The Butterfly Nebula from Hubble . Image Credit: NASA , ESA , and the Hubble SM4 ERO Team . ... The bright clusters and nebulae of planet Earth's night sky are often named for flowers or insects , and NGC 6302 is no exception. With an estimated surface temperature of about 250,000 degrees C, the central star of this particular planetary nebula is exceptionally hot though -- shining brightly in ultraviolet light but hidden from direct view by a dense torus of dust. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Universe . ... Space Flight . ... 1 Comment Located 12 million light years away in the direction of the constellation Ursa Major, Messier 82 is sometimes called the тАШCigar GalaxyтАЩ from its shape. ... Continue Reading.. ... Posted on September 21, 2012 | ... 1 Comment The Universe is 13.75 billion years old.It is easy to say, but what does that mean in Earthly terms?Let?s squeeze the whole history of the Universe into a year! ...

... Special Reports Giant space cloud may be powered by black holes 17:57 23 April 2007 NewScientist.com news service David Shiga An enormous cloud of roiling plasma in space may be drawing its energy from black holes, new observations suggest. Such clouds might be sources for the mysterious particles that occasionally crash into Earth's atmosphere at ultra - high speed. ... But higher energy particles in the cloud may be able to escape, he says. ...

I will present theresults from a deep, extended, planetary nebulae survey in a 0.5 sqdeg region centered on the brightest cluster galaxy NGC 4486 (M87) in the Virgo cluster core, carried out with SuprimeCam@Subaru and FLAMES-GIRAFFE@VLT. ... A substructure detected in the projected phase-space of the line-of-sight velocity vs. major axis distance for the M87 halo planetary nebulae provides evidence for the recent accretion event of a satellite galaxy with luminosity twice that of M33. ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

... Hearing meteors? It could happen -- and indeed it did, plenty of times during this month's Leonid meteor storm. ... Meteor listeners have long been reluctant to report their experiences -- a result of Halley-esque skepticism. ... According to Keay, glowing meteor trails give off not only visible light, but also very low frequency (VLF) radio signals. ... When he began his work on electrophonic meteors in the 1970's, physicists had no idea how VLF waves might emerge from a meteor's ionized trail. ...

... To appear in: the proceedings of IAU Colloquium 171: The Low Surface Brightness Universe , held 5-10 July 1998 in Cardiff (United Kingdom) . ... PostScript: prep1297.ps (179Kb) . ... Space Telescope Science Institute, 3700 San Martin Drive,Baltimore, MD 21218, USA . ... huizinga@stsci.edu . Last updated, November 11, 1998 . ...

... Energy . ... The free ions and electrons in a plasma behave the same way. Knowing the temperature of the high atmosphere of Earth, or that of the Sun, we can calculate energies expected of ions and electrons found there. However, ions and electrons actually observed in space are often much, much more energetic, and may move at a respectable fraction of the velocity of light (300,000 km/sec or 186,000 miles/sec). ... Typical energy of an electron in the polar aurora. 40,000 ev . ... 50,000 ev . ...

... Energy . ... The free ions and electrons in a plasma behave the same way. Knowing the temperature of the high atmosphere of Earth, or that of the Sun, we can calculate energies expected of ions and electrons found there. However, ions and electrons actually observed in space are often much, much more energetic, and may move at a respectable fraction of the velocity of light (300,000 km/sec or 186,000 miles/sec). ... Typical energy of an electron in the polar aurora. 40,000 ev . ... 50,000 ev . ...

October 16, 2006 (Monday) Srikanth Raghavendra, India . November 13, 2006 (Monday) Tuhin Roy, Boston . November 20, 2006 (Monday) Dave Soper, University of Oregon . ... Fall 2005 . Winter 2006 . Spring 2006 . Summer 2006 . Fall 2004 . ... Fall 2000 . ... Winter 2000 . Spring 2000 . Summer 2000 . ... L = 2 terms in the low-energy regime but no ? ... This system is remarkably well-suited to addressing outstanding issues in both cosmology and fundamental physics. ...

... STScI-PRC00-08 HUBBLE OPENS ITS EYE ON THE UNIVERSE AND CAPTURES A COSMIC MAGNIFYING GLASS Scanning the heavens for the first time since the successful December 1999 servicing mission, NASA's Hubble Space Telescope has imaged a giant, cosmic magnifying glass, a massive cluster of galaxies called Abell 2218. ... The cluster is so massive that its enormous gravitational field deflects light rays passing through it, much as an optical lens bends light to form an image. ... Blue pinpoints hot young...

. During 10 years, five high-energy cosmic rays (plotted as orange asterisks) came from one small part of the sky near the star Merak in the Big Dipper. Astrophysicists suspect their source is a merging pair of galaxy clusters (blue). Progressively more distant galaxy clusters appear in light blue, green, and red, while the gray shading shows the positional error for each of the five cosmic-ray detections. G. R. Farrar, A. A. Berlind, D. W. Hogg (New York University)

... X-rays are made up of photons that are emitted from stars, or quasars, or supernovae, the sun, or simply: anything that is undergoing a change either in size or temperature or giving out heat. ... in an X-ray binary star system, in which one normal star's orbit is crossed by a neutron star, when the neutron star by means of gravitational pull takes matter from the normal star X-rays form. ... Artists conception of a normal star (HDE 226868) and a black hole taking matter from the normal star. ...

Villains and Heroes of Lights and Lighting Fixtures . If we are to reduce the effects of light pollution, we must learn about the types, both good and bad, of fixtures used in outdoor lighting. ... In fact, this type of fixture is often chosen for this very reason. ... Although these lamps are not very energy efficient, and they are often found in older, inefficient fixtures that enhance light pollution, they still exist in great abundance in most locations and are still sold by the millions. ...

Installed and tested in late November 2000, new world-leading technology has made the Australia Telescope Compact Array (ATCA) the first millimetre-wave interferometer in the Southern Hemisphere. At the heart of the new millimetre receivers are indium phosphide chips, cooled to 20 K (-253њ C), the product of a joint effort between the Australia Telescope National Facility (ATNF) and the CSIRO Division of Telecommunications and Industrial Physics (CTIP). ... bkoribal@atnf.csiro.au ) ...

... Image Quality of the VLT . Total Optical Control . First light for the ESO VLT unit telescope 1 occurred during the workshop. ... The image shown (Figure 1 ) here was obtained with the VLT on May 16, 1998, in red light (R band), i.e. while the mirror was still uncoated. ... In this diagram (FIgure 2), the measured image quality of the VLT UT1 astronomical images is plotted versus the ``seeing", as measured by the Seeing Monitor, a small telescope also located on top of the Paranal Mountain. ...

... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...

... Farafonov V.G., Loskutov A.A. The field of vertical dipole in the presence of a perfectly conducting body with the axial symmetry. (oral; abstract - ASCII file ) . Voshchinnikov N.V., Farafonov V.G., Prokopjeva M.S., Zinov'eva T.V. Light scattering by dielectric and absorbing spheroids: comparison of exact and approximate methods. (oral) . ... poster or oral?) ... Voshchinnikov N.V., Farafonov V.G. Numerical treatment of spheroidal wave functions. (poster/oral) . ... Voshchinnikov N.V. tbg . ...

... 200 jet radii . ... bipolar simulation . initial density contrast 1/10,000 (jet/IGM) . ... Density films: (970 frames) . gif, 100MB] [MPEG IM, 5MB] . Density films: (97 frames) . gif, 10MB] [jpg, 0.9MB] [h363+, 0.9MB] [ISO MPEG4, 0.9MB] [pre MPEG4 v3, 0.9MB] [pre MPEG4 v2, 0.8MB] [real, 0.9MB] [gif, 1MB] [MPEG1, 0.9MB] [MPEG IM, 0.5MB] . ... Virtual Jets 2003 (Dogliani, Italy) [slides] [proceedings] . ... This page is maintained by Martin Krause ...