... Astronomical Data Analysis Software and Systems X . ASP Conference Series, Vol. 238, 2001 . ... Cover Illustration : SAOImage ds9 image display tool shows an X-ray image of supernova remnant Cassiopeia A, as presented by Stephen S. Murray . SAOImage ds9 is an astronomical imaging and data visualization application that supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and color maps. ... adass-editors@head-cfa.harvard.edu ...
... AstroGuide | ... Constellations | ... Canis Major . Canis Minor . ... Corona Australis . Corona Borealis . ... Leo . Leo Minor . ... Ursa Minor . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...
... This gives us another handle on how distant the stars are. ... Stars differ not only in distance, but also in apparent brightness. ... Ranking stars by brightness . ... The brightness of the star decreases as the square of the distance. ... At what distance would a 100-watt light bulb have the same brightness as the brighter stars? ... So if the distance of the 100-watt light bulb was 5 kilometers, the distance of the brighter stars would be 10,000,000,000,000 kilometers, or about a light-year. ...
Astronotes Armagh Planetarium's Stellar Blog! ... Milky Way . Stars . ... July . ... The area rising from the teapotтАЩs spout in Sagittarius is the centre of the Milky Way and scientists believe a supermassive black hole is hiding here, but no need to panic as it is too far away to cause us any wrinkles of worry!But this view of the Milky Way has multiple fantastic treats for us to behold, but binoculars or small telescopes will be need to enjoy them.Around the centre of the Milky ...
... 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. ...
... ARTICLE: Ein aussergewЖhnlicher Abend mit John Dobson in Saarlouis . ... John L. Dobson, der Erfinder des weltbekannten Dobsonteleskops und BegrЭnder der „Sidewalk Astronomers“ zu Beginn der 60er Jahre in San Francisco Эberraschte sein Publikum am vergangenen 14.September 2006 bei einem Vortrag in Saarlouis mit seinem direkten und unverblЭmten Stil. ... Hierzu braucht man Oeffnung, was Anfang der 60er Jahre im Amateurbereich fehlte. ... Ein aussergewЖhnlicher Abend mit John Dobson in Saarlouis . ...
... Recherche dans le site : . Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualit†йs . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Un astre au cЉУur liquide dans la constellation de Cassiop†йe . ... L'astre se situe †а 11 000 ann†йes-lumi†иre de la Terre, dans la constellation de Cassiop†йe . ...
... Events . Gallery . ... click image to view discuss) . Aurora on June 22-23, 2015 . This aurora image was taken after midnight from Harvard, MA after the clouds cleared. ... Submitted by Eileen Myers on 07/26/2015 17:06:51 . Picture Galleries . Astronomy Galleries . Club Events . Other Galleries . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
... Bad Astronomy . ... Bitesize Astronomy . ... If you even glance at the night sky from a dark site, you'll see that stars are not evenly spread out across the heavens. ... When you look up in the sky, it's hard not to see patterns formed by stars. ... We call these patterns of stars ``constellations'', meaning ``groups of stars''. Different people see different shapes, so it's no surprise that different cultures have different names and even boundaries for the constellations. ... 2008 Phil Plait. ...
... It appears that, billions of years after the big bang, following the formation of galaxies, some form of dark energy that is causing the expansion rate to accelerate overtook the Universe. ... The transition from big crunch to big bang automatically replenishes the Universe by creating new matter and radiation. ... By dispelling the myth that the big bang is a beginning of space and time, superstring theory opens up new possibilities for the cosmological history of the Universe. ...
[
Текст
]
Ссылки http://www.princetonastronomy.org/newsletters/dec_times.pdf -- 270.6 Кб -- 27.04.2003 Похожие документы
... VINOGRADOV PAVEL VLADIMIROVICH . ... ISS flight engineer . Roskosmos 1st class test-cosmonaut and cosmonaut-instructor (Russia) . ... From August 1996 to August 1997 Vinogradov trained as a flight engineer of the Mir-24 prime crew. ... By the decision of the Russian Space Agency Panel, though, Vinogradov was withdrawn from the ISS crew team and assigned to the Mir-28 Expedition as a backup crew flight engineer and to the Mir-29 Expedition as a prime crew flight engineer. ...
... High Energy Astrophysics: Synchrotron Radiation I 1/106 A 20 cm radio image from the VLA of the radio galaxy IC 4296. ... High Energy Astrophysics : Synchrotron Radiation I 11/ 106 3.2 Emissivities The basic relation is: dW c 0 * -------------------- = ------- r 2 E E d d dt T (6) High Energy Astrophysics : Synchrotron Radiation I 12/ 106 In terms of I Q U V dW 11 dW 22 j I = -------------------- + -------------------d d dt d d dt dW 22 dW 11 j Q = --------------- ...
[
Текст
]
Ссылки http://www.mso.anu.edu.au/~geoff/HEA/3_Synchrotron_Radiation_I.pdf -- 1170.7 Кб -- 03.03.2015 Похожие документы
Star Groups Tour // //(c) 1999 Meade Instruments //////////////////////////////////////////// TITLE "Star Groups" AUTO SELECT TEXT "Star Groups" "Stars, stars, and more stars! ... AUTO SELECT USER 20:46:39 16d07m27s "Double Star" "Gamma Delphinus is a close" "double star system that is about 100 light years away, with the two stars" "separated by 300 A.U. Press MODE to continue the tour." ... PICK END AUTO SELECT TEXT "Open Cluster" "An open cluster is a group of 50-500" "stars. ...
Report by the ESA-ESO Working Group on The Herschel-ALMA Synergies Introduction & Background Following an agreement to cooperate on science planning issues, the executives of the European Southern Observatory (ESO) and the European Space Agency (ESA) Science Programme and representatives of their science advisory structures have met to share information and to identify potential synergies within their future projects. The agreement arose from their joint founding membership of EIROforum
[
Текст
]
Ссылки http://www.stecf.org/coordination/esa_eso/alma-herschel/report.pdf -- 1000.5 Кб -- 04.09.2008 Похожие документы