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1. APOD: 2005 August 8 - Mars to Appear Normal this August
... 2005 August 8 . Mars to Appear Normal This August . ... Regardless of numerous urban legends circulating, Mars will appear relatively normal in August. October is the best month to see Mars this year. ... As Earth catches up to Mars in their respective orbits around the Sun, Mars will keep rising earlier in the night. On 2005 October 30, Earth will have caught up to Mars and the planets will be the nearest to each other in their orbits -- this time around. ... About APOD | ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap050808.html -- 5.8 Кб -- 02.10.2012
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2. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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3. APOD: May 1, 1996 - Comet Hyakutake and a Cactus
... May 1, 1996 . Comet Hyakutake and a Cactus . ... Today Comet Hyakutake reaches its closest approach to the Sun . Comet Hyakutake is now at its intrinsic brightest, but because of its distance from the Earth , it will appear less bright to us than it did during its closest approach to the Earth in late March. ... Latest Comet Hyakutake images: APOD Hyakutake Archive , JPL , Fayetteville Observer-Times , NASA's Night of the Comet , ICSTARS , Jerry Lodriguss , ScienceWeb , Crni Vrh Obs. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap960501.html -- 5.2 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sistemasolare/Comete/ap960501.html -- 4.7 Кб -- 20.12.2000
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4. WFPC2 Instrument Handbook Update
... To be read in conjunction with Section 4.11 of the WFPC2 Instrument Handbook , -Version 4.0. ... 1 The second study found evidence that CTE loss for faint stars has increased with time (Whitmore, 1998). The primary observational consequence of CTE loss is that a point source at the top of the chip appears to be fainter than if observed at the bottom of the chip, due to the loss of electrons as the star is read out down the chip (see Figure 1 ). ... Last updated: 06/16/98 10:38:00 . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/instrument-news/handbooks/wfpc2/98update/update0698.fm1.html -- 6.8 Кб -- 23.06.1998
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5. Hale-Bopp Brightest Comet This Century
... 25.03.1997 . ... Credit: Angel Sanchez ( AAGC ) Explanation: A comet as bright as Comet Hale-Bopp is very rare indeed. ... However, since Comet Hale-Bopp is across the inner Solar System from us, it does not appear as bright as Comet West did in 1975. The Great Comet of 1996, Comet Hyakutake , was relatively dim but also appeared bright since it passed close to the Earth. ... Publications with keywords: century - Comet Hale-Bopp . Publications with words: century - Comet Hale-Bopp . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/1163423 -- 13.8 Кб -- 22.06.2003
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6. Why do some stars appear to flash a variety of different colors when you look
... Tonight's Sky . ... Sky this Month . ... Star Atlas . ... stars . ... The Sky This Week: April 1 - 10 . ... Observing springtime deep-sky objects with a large telescope . ... Why do some stars appear to flash a variety of different colors when you look at them through a telescope? ... So, Earthт??s atmosphere will bend some colors from especially bright stars more so than others, which makes the source look like itт??s flashing colors. Get instant access to subscriber content on Astronomy.com! ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2012/05/atmospheric-effects -- 63.0 Кб -- 10.04.2016
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7. Leonid meteors 2011 | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... Leonid meteors seen from 13 km altitude aboard an aircraft during the 1999 Leonids Multi-Instrument Aircraft Campaign (Leonid-MAC). Comet Tempel-Tuttle provides the cometary debris for the Leonid meteor shower. ... Every 17-19 November Earth crosses Tempel-TuttleтАЩs orbit and the Leonids become visible. With clear, dark skies observers may see 10 to 15 Leonid meteors every hour on those mornings. ...
[ Сохраненная копия ]  Ссылки http://www.armaghplanet.com/blog/wonders-of-the-november-sky-leonids-meteor-shower.html -- 43.4 Кб -- 09.04.2016
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8. ESO - The reduced science spectrum displayed in the Reflex window appears good
... Data Reduction FAQ > The reduced science spectrum displayed in the Reflex window appears good but when I try to plot it, it is quite different. How can I get it? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Reflex . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... ESO Annual Reports . ... Seminars at ESO Santiago . ... Seminars at ESO Garching . ... ESO Telescope Bibliography . ... Last Update: 01.04.14 ESO . ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/data-processing/faq/the-reduced-science-spectrum-displayed-in-the-reflex-window-appears-good-but-when-i-try-to-plot-it-is-different.html -- 22.2 Кб -- 10.04.2016
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9. First X-Rays From a Comet Discovered
A team of U.S. and German astrophysicists have made the first ever detection of X-rays coming from a comet. ... Following the initial detection, the team reported repeated X-ray emissions from the comet over the next 24 hours. ... One preliminary theory is that X-ray emission from the Sun was absorbed by a cloud of gaseous water molecules surrounding the nucleus of the comet, and then were re-emitted by the molecules in a process physicists call "fluorescence." ... Comets . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/solar/eng/hyakutak.htm -- 5.3 Кб -- 15.10.1997
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10. Главная - Астрономия и Телескопостроение
... Главная . ... Новости . ... Проекты . Любителям астрономии . Проект ISON . ... Подробнее . ... Категория: Новости проекта ISON . ... Метки: Космический мусор ,љ Астероиды ,љ Гамма-всплески ,љ Любителям астрономии ,љ Кометы љ . ... Метки: Космический мусор ,љ Астероиды ,љ Любителям астрономии љ . ... Новости обсерваторий проекта] - Обсерватория Кубанского государственного университета от Иванов А - 09.04.2016 11:08:49 . ... 1999-2013 Copyright "Астрономия и Телескопостроение" . ...
[ Сохраненная копия ]  Ссылки http://www.astronomer.ru/ -- 31.6 Кб -- 09.04.2016
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11. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . See also images taken on November 22nd . Image taken by Andy McCrea who says, . To me the comet appears yellowish and it has gone from star-like to a . ... More images from Andy McCrea here . ... The true explanation is that a very faint comet, known as periodic comet Holmes, produced a massive outburst of material and became a million times brighter than it was just a day earlier. ... More images from Andy McCrea . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/press/2007/cometholmes/ -- 9.9 Кб -- 10.10.2012
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12. ASP: Accidental Astrophysics: The Devil's In the Magnitudes, Part II
... SEARCH ASP SITE: Match ALL words Match ANY word . ... ASP Conference Series . ... Accidental Astrophysics: The Devil's In the Magnitudes, Part II . ... The star second to the Sun in brilliance is Sirius. ... Recall the magnitude system, passed down to us through a hundred generations of sky watchers, as a means of quantifying stellar brightness ("Accidental Astrophysics," May/June, p. 9). ... Yes, it is a magnitude difference, but that difference is due to the distance between us and the star. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/pubs/mercury/9804/accidental.html -- 20.1 Кб -- 20.04.2012
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13. What is HISA?
... self-absorption - the absorption of light shining on an object by a process similar to that which produced the light originally; if a cloud emits less light than it absorbs from other clouds behind it, this net loss of light, termed self-absorption , causes the foreground cloud to appear darker than the background field (the term is from spectroscopy, where small absorption dips sometimes occur in larger emission lines, making the latter look as if it is absorbing part of itself) . ... HISA Main ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~gibson/hisa/hisa_expl.html -- 8.6 Кб -- 26.02.2005
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14. The Galaxy Gallery: Messier Objects
M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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15. Optical component of GRB080319B
Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 02.10.2012
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16. C/2006 P1 (McNaught)
Check out the new images (Jan 18-25) and (Jan 26-Feb 05) of the comet by Rob McNaught. ... Every few years a comet becomes bright enough to be easily seen with the naked eye but only every decade or so are these comparable with comets like Halley. ... Before Jan 13, the comet is not visible in the Australian sky after sunset. ... SOHO images . ... On Jan 12 at approximately 09:00 UT (8pm NSW time), comet C/2006 P1 McNaught appears at the 11 o'clock position in the images. ... STEREO images . ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~rmn/C2006P1.htm -- 25.4 Кб -- 13.06.2007
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17. http://jet.sao.ru/jet/~goray/838/v838ecl.htm
... V838 Mon is a member of a new class of eruptive variables which appear as a peculiar novae having late K-M type spectra in their outburst. Before its outburst, it was a wide binary system of B3V type stars. ... The B3V companion was seen in the outburst in the UV spectrum taken with HST (Rauch et al., ... In the latest spectra, the light of B3V companion was predominating in the short-wave photometric bands. ... CCD blue frames of V838 Mon before the eclipse (left) and in the eclipse (right). ...
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/jet/~goray/838/v838ecl.htm -- 7.3 Кб -- 08.01.2007
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18. Doppler Shift
... Observers looking at an object that is moving away from them see light that has a longer wavelength than it had when it was emitted (a redshift), while observers looking at an approaching source see light that is shifted to shorter wavelength (a blueshift). ... By measuring the amount of the shift to the red, we can determine that the bright galaxy is moving away at 3,000 km/sec, which is 1 percent of the speed of light, because its lines are shifted in wavelength by 1 percent to the red. ... Part 2...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/~satr/cosmo/doppler.htm -- 3.7 Кб -- 17.10.2000
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19. Supernova 1999cl in M88
Supernova 1999cl in M88 . This page is devoted to information on Supernova 1999cl in M88 Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main supernova page. Information on the original web pages for many of these images can be found on the Supernova links web page. ... M1 Supernova Search has a 1999cl page . ... Pedro Re' Animated gif image . ... DAX Observatory . ... vsnet-obs 21040 ] (fwd) Observation of Supernova 1999cl in M88 . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/mirrors/isn/snimages/sn1999/sn1999cl.html -- 20.1 Кб -- 22.12.2007
[ Сохраненная копия ]  Ссылки http://www.rochesterastronomy.org/SNIMAGES/sn1999/sn1999cl.html -- 20.6 Кб -- 19.04.2014
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20. Comet Hyakutake: The Great ?Earthgrazing? Comet of 1996 ? Amateur Astronomers
... Home Articles Comet Hyakutake: The Great ?Earthgrazing? Comet of 1996 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... Comet Hyakutake: The Great "Earthgrazing" Comet of 1996 . A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
[ Сохраненная копия ]  Ссылки http://www.aaa.org/articles/comet-hyakutake-the-great-earthgrazing-comet-of-1996/ -- 104.2 Кб -- 10.04.2016
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