You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...

Our publications in 1996 year . Lindner, U.; Einasto, M.; Einasto, J.; Freudling, W.; Fricke, K.; Lipovetsky, V.; Pustilnik, S.; Izotov, Y.; Richter, G. Astronomy and Astrophysics, v.314, p.1-12 (10/1996) . Thuan, Trinh X.; Izotov, Yuri I.; Lipovetsky, Valentin A . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.607 . ... Edited by Daniel Kunth, B. Guiderdoni, M. Heydari-Malayeri, and Trinh Xu Thuan, 1996., p.587 . ... Thuan, Trinh Xuan; Izotov, Yu. ...

What happens to a star heavier than five solar masses? ... Stars about ten solar masses probably behave like our five solar mass star until they reach the end of core-helium burning. ... The Crab nebula was formed after a massive explosion ripped a star apart in 1054. ... Today, the glowing outer layers of the star are still rushing away from a tiny star in the centre. ... An incredible explosion rips through the outer layers of the star, releasing colossal amounts of energy in a supernova explosion. ...

... Posts tagged ?light curve? ... Posted by hlee . ... Tags: book , Brieman , cigar , Clinton , data mining , Friedman , Hastie , KDD , light curve , machine learning , SCMA , shaking hands , SN , statistical learning , Supernova , Tibshirani . Category: Algorithms , Cross-Cultural , High-Energy , Jargon , Methods , Quotes , Stat , Uncertainty | Comment . ... Click for what was appeared in arXiv this week. ... Category: arXiv , Data Processing , gamma-ray , Objects , Spectral , Timing , X-ray | ...

... Secondary Baffle . ... The outside diameter of the tip of ring 5 (the secondary baffle tip) was 1285.7 mm with a range of 0.8 mm p-v. The specifications were 1284.6 and 7.6 mm respectively. ... The outside diameter of the base of ring 5 was 1273.4 mm with a range of 2.0 mm p-v. The specifications were 1272.1 and 8.1 mm respectively. ... The inside diameter of the tip of ring 19 (the primary baffle tip) was 857.7 mm with a range of 0.8 mm p-v. The specifications were 858.0 and 8.6 mm respectively. ...

There used to be a graying time all alone on the sea You became the light on the dark side of me Love remain a drug gets me high, that's how I feel Did you know that when it snows my eyes become enlarged And the light that you shine can be see Baby , I compare you to a kiss from a rose on the grey The more I get of you, stranger it feels, yeah Now that your rose is is in bloom , a light hits the gloom on the grey There is so ...

... Tiny Tim has been used for generating Hubble Space Telescope ( HST ) point-spread functions (PSFs) for deconvolution, algorithm testing, proposal planning, and optical studies. ... Tiny Tim is a stand-alone program for simulating HST PSFs as viewed with the on-board imaging cameras (WF/PC-1, WFPC2, FOC, COSTAR/FOC). ... The measured aberrations for FOC f/96, WF/PC-1 PC6, WFPC2, and COSTAR/FOC are used by Tiny Tim . ... Figure: FOC f/96 observed and Tiny Tim model PSFs (pre-COSTAR) at 253 nm. ...

... The ancient chronical said about the colour rings around the Sun and the Moon, about three suns in the sky, light columns, bright lightning, different "comets" rushing to the Earth, moving among the stars or round the Earth with the sky. All these occurrences may be divided into three categories: one that occur in the near or far space, processes going on in the Earth atmosphere under the influence of cosmic factors and at last the occurrences connected with the Earth atmosphere. ... Rainbow . ...

... Spectrosc., 90 , 574-579. [ abstract (in English; ASCII file); paper (in Russian; PS file)] . ... Astronomy Letters, 26 , N 10, 679-690. [ abstract (ASCII file); paper (PDF file)] . ... 2001) . ... 72 , N 5, 607-612. [ abstract (ASCII file); paper (PS file)] . ... Scattering and polarization properties of the non-spherical particles. in: Smith W.L., Timofeyev Y.M. (eds.) IRS 2000: Current Problems in Atmospheric Radiation, A.Deepak Publ. (in press) [ abstract (ASCII file); paper (PS file)] . ...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... 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 La premi†иre c†йph†йide de Hubble . ... C'est en observant les †йtoiles variables de type c†йph†йide que l'astronome Edwin Hubble a mesur†й pour la premi†иre fois la distance de la galaxie M31 †а l'aide du t†йlescope Hooker de 2,5 m du mont Wilson, en 1923. ...

... Team . ... The main goal of observations of GRB host galaxies is accumulation of statistics of their spectroscopic and photometric properties. ... The Hubble diagram for 22 GRB host galaxies with known magnitudes and redshifts (GRB 970228, GRB 970508, GRB 970828, GRB 971214, GRB 980613, GRB 980703, GRB 990123, GRB 990510, GRB 990712, GRB 9912008, GRB 991216, GRB 000131, GRB 000210, GRB 000301C, GRB 000418, GRB 000911, GRB 000926, GRB 001109, GRB 010222, GRB 010921, GRB 011121 and GRB011211). ... 600...

... Высокого качества (19.5 MB) . Низкого качества (2.9 MB) MPEG . ... Низкого качества (2.9 MB) This movie shows dynamic rings, wisps and jets of matter and antimatter around the pulsar in the Crab Nebula as observed in X-ray light by Chandra (left, blue) and optical light by Hubble (right, red). ... To produce a movie of reasonable length the sequence was looped several times, as in looped weather satellite images. ... Авторские права: X-ray: NASA/CXC/ASU/J.Hester et al.; ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... 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. ... LX70 Series . ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LightBridge Series . ...

... Тип: бра, . ... Настенные светильники и бра . ... title='Комбинезон Merri Merini 3-6 месяцев Blue Strip MM-02B' border='0' align='left' width='120' style='margin-right: 20px;' hspace='7' vspace='5'/> . ...

... 1994: . Deep CCD images of the bright gamma-ray bursts GRB790418 and GRB790613 localization regions were obtained for the first time. In both cases, a faint blue star-like object (V = 24.5 m , BV m ) was detected within the region of localization of gamma-ray bursts. ... Based on sixty daily instantaneous spectra of the object SS433, obtained on the RATAN-600 in April-May 1994, we traced its variability in four very powerful flares at five frequencies. ... Archive . ...

... Under certain conditions, like those in the nucleus of a QSO, all atoms can be made to emit light at particular wavelengths. ... If that source is approaching the observer, the wave is squashed up onto itself making the wavelength shorter. ... This is redshift. ... You can see how the section of the QSO spectrum which we observe changes with redshift. ... We then see how far we had to slide the observed spectrum along the scale to make it match and that is the objects redshift. ... The 2QZ team . ...

... About meteorites . ... Meteorite Encyclopedia . ... About laboratory . ... On the night of September 24-25, in the north of Irkutsk Oblast, local residents saw a brightly glowing space object draw a line across the sky and fall into the taiga. ... But scientists learned of the heavenly visitor only on October 3, when a fax arrived at the Institute of Sun And Earth Physics from Bodaibo. ... The first thing we did was to interview residents of villages located along the meteor's flight path. ...

Franckly, it is extremly difficult for me to make a list of my favourite books. The problem is: every new book pretends to be the favourite one. Another one: some books, which I liked very much, when I was younger, were not read for years. The last one: I can't explain to myself why I like some books...but I'll try.. ... The book I like to read for years (and I don't know why), when I don't feel well and wanna relax: "Noon. ... My favourite Americane writer: Ernest M. Hemingway . ...

... As then we removed from the Earth, we dived into a sky deeper and deeper. ... We saw immense red-hot spheres, liked suns, in illuminator of our spaceship. ... We saw our Earth, Mars, Mercury, and planets-giants, such as Jupiter, Saturn, Uranus and other. ... Also we saw a comet. ... The planet Upsilon was on our way. ... If we could speak the language of these two peoples, we could explain them what the war did on our home planet "the Earth", how many people were killed because of war conflicts. ...