... Credit Copyright: J-P Mets vainio ( Astro Anarchy ) Explanation: NGC 6888, also known as the Crescent Nebula, is a cosmic bubble about 25 light-years across, blown by winds from its central, bright, massive star. ... NGC 6888's central star is classified as a Wolf-Rayet star (WR 136). ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: Crescent Nebula - Wolf-Rayet star - stellar wind . Publications with words: Crescent Nebula - Wolf-Rayet star - stellar wind . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 August 16 . NGC 6888: The Crescent Nebula . ... Explanation: NGC 6888, also known as the Crescent Nebula, is a cosmic bubble about 25 light-years across, blown by winds from its central, bright, massive star. ... NGC 6888's central star is classified as a Wolf-Rayet star (WR 136). ... New APOD Mirror: In Farsi from Iran . ... About APOD | ...

... Colors of Sunlight . S-4A.Color Expts. ... Here is your opportunity to demonstrate the three-color theory by using your computer. I am indebted for this to Joe Burns , on whose color demonstration file it is based. ... You see below two tables with colored fields. ... blue . ... D0FBFF gives the intensity of the three colors which make up the background: D0 is the intensity of red , FB is the intensity of green and the second FF is the intensity of blue , the maximum blue you can get. ...

... IC1396 . IC1396 - The "Elephant Trunk" Nebula . ... There is a bright central star cluster, also designated IC1396, which will interfere with your ability to see the faint nebulosity while visually observing this area with a rich-field telescope. ... 9/12/2006 through 10/21/2006 . ... Ha: 7 hours of 30 minute subs . OIII: 14 hours of 30 minute subs . SII: 9 hours of 30 minute subs ...totalling 30 hours . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

We present observations of the star formation region NGC 7129 taken with the Multiband Imaging Photometer for Spitzer (MIPS). ... Combining Infrared Array Camera (IRAC) and ground-based near-infrared images, we have obtained colors and spectral energy distributions for some 60 objects. The [3.6]-[4.5] versus [8]-[24] color-color plane shows sources clustered at several different loci, which roughly correspond to the archetypal evolutionary sequence Class 0, I, II, and III. ... ADS Citation Query . ...

... STScI-PRC98-11A STARING INTO THE WINDS OF DESTRUCTION: HST/NICMOS IMAGES OF THE PLANETARY NEBULA NGC 7027 The Hubble Space Telescope's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) has captured a glimpse of a brief stage in the burnout of NGC 7027, a medium-mass star like our sun. ... The material settles into a wind of gas and dust blowing away from the dying star. ... During this phase, intense ultraviolet radiation from the central star lights up a region of gas surrounding it. ...

home education > activities . ... Quick math activity that asks students to calculate scale models of a binary star system with a black hole in it. [h] . ... Students use a radiometer and a light bulb with a dimmer switch to make connections between the temperature, color, and radiation output of a star. ... This demonstration, similar to the above, from the Exploratorium Snack-book of science activities, lets students demonstrate how molecules scatter light and change the colors of the beam. [m,h] . ...

. 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.

G impact from Keck . G impact from MSSSO . This exposure was sufficiently long that the image is saturated on the detector (making it look pretty spectacular). The Keck image also is quite impressive. ... Optical CCD image after Fragment G impact . ... The central black spot represent the initial impact. ... Finally not the obvious fan of dark material to one side which is the ejecta blanket. ... I think the ejecta blanket is probably larger in scale than was anticipated. ...

... 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. ...

... The massive star forming complex G333 . ... Color-composite image of the massive star forming complex G333 , observed as part of a large project with the 22-m Mopra radio telescope near Coonabarabran, NSW. The colors depict the following temperature and density sensitive molecular line tracers: HCN tracing warm gas (around 20 to 40 K) , HCO + tracing warm gas with outflow/infall , and N 2 H + tracing really cold gas (less than 20 K) . ... today * ATNF | ... ATCA | ...

Next: To produce a region Up: Image Display in Xwindows Previous: General usage. ... Menu items are chosen by clicking any mouse button (cf. ... save current cursor as an include region (counts within region will be included in subsequent calculations) . ... When another image is displayed, the earlier one can be compared with it by pressing its respective mouse button with cursor in the main display window. ... Table 1: Detailed list of menu options . ... color . ... enter/leave region sub-menu . ...

... News . Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... The Helix in new colors . ... The European Southern Observatoryт??s (ESO) VISTA telescope, at the Paranal Observatory in Chile, has captured a striking new image of the Helix Nebula (NGC 7293). ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... SSAU History . ... The Ground Control Complex for Small Spacecraft of Samara State Aerospace University took control of the satellites Aist-1 . ... The data received from SSAU scientific equipment on board of the satellites Aist-1 was processed by the engineers of the Rocket and Space Centre and then was transferred to the university scientists. ... On April 19, 2013 the first small spacecraft Aist-1 was launched from the space-launch complex Baykonur together with a research satellite Bion-M No. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Meade 4M Community . ... Meade Instruments . ... Telescopes . LX850 Series . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Coronado Accessories . ... LS 3.5" Color LCD Video Monitor . ... This full color monitor plugs directly into the built in camera on the Meade LS-6 and LS-8 LightSwitch telescopes. ...

... The history of star formation was successfully analyzed for the first time based on the spectra of the stellar population of dwarf galaxies of low surface brightness outside the Local Group. We have investigated the stellar population of two dwarf spheroidal galaxies KDG61 and KDG64 in the central part of a close group of galaxies M81. ... These galaxies are dominated by the old stellar population (12-14 billion years) of low metallicity ([Fe/H] ~ -1.5). ... KDG61 . ... KDG64 ...

... Astronomy news . ... Double Engine Fuels Star's Remarkable Nebula . ESO has just released a stunning new image of a field of stars towards the constellation of Carina (the Keel). ... Interactions in this double system, surrounded by a dusty disc, may be the engine fuelling the star s remarkable nebula. The new image, showing a very rich field of stars towards the Carina arm of the Milky Way, is centred on the star HD 87643, a member of the exotic class of B[e] stars [1]. ...

... As an experiment, I made some three-color images of Messier 42, more commonly known as the Great Nebula of Orion. ... green enhanced . ... halfsize or fullsize . ... Each image is a ``true color'' composite of three monochromatic images, in which the red, green, and blue intensities each correspond to the intensity of one of the original images. ... The HST image is assembled from different filters than mine: red is Nitrogen [II] at 6583 , green is H-alpha at 6563 , and blue is O [III] at 5007 . ...

OptInt PmWiki : Pm Wiki / Wiki Style Examples . Wiki styles | ... PmWiki uses WikiStyles for styling text with color and other attributes. PmWiki 2.0 introduced the ability to control the styling further and to even place styles on blocks. ... In addition, an author can define a style "shortcut" by using the define= property. For example, to define a style of %red% , one can use: . define=mystyle color=red% Here is some %mystyle% red text created using a style shortcut. ...

... drei Table 1 : Tables are as easy as one, two, three . ... Harriet Smythe Armchair . ... A very stylish reclining armchair. ... 5000 . A very comfortble sofa with a high back, detachable cushions, and loose fitting upholstery. Antique Finish Bookshelf . ... This stained pine bookshelf is 5 feet tall and 3 feet wide. ... Cosmic Walnut Table . ... This four foot diameter walnut table has a finely polished finish, and will be the center piece of any room. Variety of prints . ...