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1. Bright Stars and Dark Clouds
Astronomy Picture of the Day . ... 25.09.1996 . ... Well don't feel bad - this even happened to the bright young stars of the open cluster NGC 6520. On the left are the cluster's bright blue stars. They formed only millions of years ago - much more recently than our ancient Sun which formed billions of years ago. ... Information: Thursday, September 26 - A Total Lunar Eclipse . ... September 1996 . ... Publications with keywords: clouds - stars . Publications with words: clouds - stars . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/1193733 -- 15.0 Кб -- 05.10.2003
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2. The Large Magellanic Cloud
... The Large Magellanic Cloud is a Dwarf Irregular galaxy in orbit around our own Milky Way. It is a large object, several degrees in size, and easily visible to the unaided eye in Southern Hemisphere skies. The LMC is located in the constellation of Doradus at about 5h30m Right Ascension, -68 degrees Declination, and lies at a distance of roughly 50 kiloparsecs (160,000 light years) from Earth. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~gibson/30dor/lmc.html -- 2.7 Кб -- 23.01.2006
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3. Neptune
... Rings of Neptune . ... Methane gives Neptune its blue cloud color. Neptune is a dynamic planet with several large, dark spots reminiscent of Jupiter's hurricane-like storms. ... One of the great cloud features, dubbed the Great Dark Spot by Voyager scientists, can be seen toward the center of the image. ... This Voyager 2 image has been processed by computers so that both the clouds' structure in the dark regions near the pole and the bright clouds east of the Great Dark Spot are visible. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/solar/eng/neptune.htm -- 19.2 Кб -- 15.10.1997
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/neptune.htm -- 20.3 Кб -- 15.03.1998
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4. Low Surface Brightness Galaxy Gallery
In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/sb2.html -- 4.8 Кб -- 26.05.2000
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5. APOD: September 25, 1996 - Bright Stars and Dark Clouds
... September 25, 1996 . Bright Stars and Dark Clouds . Credit: Anglo-Australian Telescope photograph by David Malin . ... Well don't feel bad - this even happened to the bright young stars of the open cluster NGC 6520. On the left are the cluster's bright blue stars. They formed only millions of years ago - much more recently than our ancient Sun which formed billions of years ago. On the right is an absorption nebula from which the stars might have formed. ... About APOD | ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap960925.html -- 4.1 Кб -- 02.10.2012
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6. The Sun
The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. ... Such abrupt events were named solar flares , and what made them especially interesting was that occasionally, after a prominent flare, a magnetic storm would erupt on Earth. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wsun.html -- 8.2 Кб -- 15.03.1999
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7. venerae
Venus under the clouds. ... Venus is the second from the Sun and the nearest to the Earth planet of solar system. ... As for Venus, it has the densest atmosphere, the smallest rotation around the axis and the least eccentricity of the orbit Venus is the only planet whose own rotation is opposite it’s rotation around the Sun. ... The radiolocation survey of Venus by the soviet station "Venera - 15" and "Venera - 16" brought out in 1984 in the planets satellite`s orbit shoued the tarces of long walls. ...
[ Сохраненная копия ]  Ссылки http://www.space.vsi.ru/venerae.htm -- 8.9 Кб -- 14.10.2000
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8. HIPASS Bright Galaxy Catalog
B?rbel Koribalski (ATNF) + HIPASS and ZOA teams . The properties shown below were derived from the measurd HI properties. Displayed here are the Local Group velocities of all sources from -300 to +8000 km/s (bins are 100 km/s). Displayed here are the distances of all sources (assuming Ho = 75 km/s/Mpc). ... Displayed here are the HI masses of all sources (assuming point source distribution). Extended galaxies and pairs/groups need to be re-measured. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/bkoribal/BGals/histograms2.html -- 2.6 Кб -- 23.12.2007
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9. Unusually bright 12CO(3-2) condensations in the tidally perturbed Small
We report on recent observations of molecular clouds in the tidal Magellanic Bridge; specifically, the Ы?kpc-long, tidally extended "tail" of the Small Magellanic Cloud. In particular, we identify an unusually high 12CO(3-2)/12CO(1-0) ratio of 2-3 to 1, toward one of the clouds, suggesting a warm and dense molecular material associated with imminent or current formation of stars. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~kgordon/papers/2014PASJ...66....4M.html -- 4.1 Кб -- 21.01.2016
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11. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... These noctilucent "night-shining" clouds (or NLCs) are believed to form by sunlight reflecting off ice crystals high in the atmosphere, and usually appear in the northwest to northeast. ... NLCs occur at very high altitudes, in excess of 50 miles high, in the region above the stratosphere known as the mesosphere and at first sight they look like cirrus clouds. ... Noctilucent Clouds, July 2006 . ... NLCs from Space . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/press/2009/NLC0906.html -- 8.4 Кб -- 09.03.2010
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12. ASP: The Comet About to Smash into Jupiter
What will happen when the fragments hit Jupiter? ... All the fragments will enter Jupiter's atmosphere at an angle of 42 degrees from the vertical and impact near a latitude of 44 degrees south, but on the back side of the planet as seen from Earth (about 10 degrees in longitude behind the edge of Jupiter, as seen from Earth). ... Any body moving through an atmosphere is slowed by atmospheric drag, by having to push the molecules of that atmosphere out of the way. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/27/jupiter2.html -- 12.6 Кб -- 02.10.2012
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13. The Sun
... Energy . ... Solar Wind . ... Field . ... The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. For some reason the field slows down the flow of heat from the Sun's interior and keeps sunspots slightly cooler than their surroundings. ... Solar Eclipses . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/wsun.html -- 13.8 Кб -- 18.04.2006
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/Education/wsun.html -- 13.8 Кб -- 18.04.2006
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14. The AstroStat Slog Blog Archive Magnitude [Eqn]
... Archives . ... Differential Emission Measure [Eqn] . ... Astro 301, class 1, and it took all of 20 minutes of talk about stellar magnitudes to put that notion to permanent rest. ... Now, it turns out that the human eye perceives brightness on a log scale, so magnitudes are numerically similar to log (brightness). ... frac{5}{2}\log_{10}\left(\frac{f_{object}}{f_{standard}}\right) \,,$$ . ... frac{5}{2}\log_{10}\left(\frac{L_{object}}{4 \pi d^2}\frac{1}{f_{standard}}\right) \,.$ ... Chandra Blog . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2008/eotw-magnitude/index.html -- 22.9 Кб -- 01.03.2014
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15. Astrophysics Group Research and Instrumentation
... Search . ... Astrophysics Group . Research . ... Research and Instrumentation . ... While this seems an extraordinary endeavour, in light of what we have learnt about Solar System planets, only a handful of key ingredients are required to start characterising an exoplanet. ... The NGTS project is a partnership between the University of Cambridge, Queen?s University Belfast, University of Warwick, University of Leicester, Observatoire de Geneve, DLR (Berlin) and Universidad Catolica de Chile. ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/research/exoplanets/research/ -- 22.7 Кб -- 10.04.2016
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16. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B8F32D309-A990-469D-9C65-3EA69C612D95%7D
Strange clouds are visible in this pair of images made during the October 25 Titan flyby. ... This pair of images was made at a distance of 9,300 miles (15,000 km) from Titan and shows two views of the area riddled by mountain ranges. ... These clouds probably resulted when methane in Titan's atmosphere cooled and condensed into fog over the mountains, similar to the process that forms orographic clouds on Earth. NASA/JPL/University of Arizona ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B8F32D309-A990-469D-9C65-3EA69C612D95%7D -- 4.2 Кб -- 10.04.2016
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17. Stellar Astronomy
... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/courses/zor_astron_e.html -- 8.0 Кб -- 23.02.2005
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18. http://www.mso.anu.edu.au/~bessell/thumbnails/images.txt
GALAXIES cenA .tiff 40 Bright Radio Galaxy M31.tiff Nikon Andromeda Galaxy (note HII regions in spiral arms) ngc6744.tiff 40 NGC 6744 a face-on spiral clouds_20d.tiff H'blad The Magellanic Clouds our nearest neighbours Lmc_7.tiff Nikon The Large Magellanic Clouds Lmc_zoom.tiff Nikon Detail of previous image smc_7.tiff Nikon The Small Magellanic Clouds smc-zoom.tiff Nikon Detail of previous image 30dor_40_BVR.tiff 40 The 30 Dor ... B [OIII] Halpha trifid.tiff 40" The Trifid Nebula. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~bessell/thumbnails/images.txt -- 8.7 Кб -- 27.01.2004
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19. Bright Supernova Bright Supernova
. Please standby and you will be automatically connected to the new location of the unframed Supernova page. Or, click on the link above. If you have questions or problems, please email me at David Bishop dbishop@vhdl.org . Last modified: Mon Aug 27 12:40:15 EDT 2001
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/mirrors/isn/snimages/ -- 2.4 Кб -- 05.02.2013
[ Сохраненная копия ]  Ссылки http://www.rochesterastronomy.org/snimages/ -- 2.5 Кб -- 18.01.2015
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20. Results scientific researchs 5
Clouds of gas between spiral arms . ... In the region of galactic longitudes 60 - 74 degree, latitudes +-15 degree and distances from centres of Galaxy 11 - 12 kpc 81 HI clouds are found and their parameters (figure 1) are measured. ... Average concentration of gas within clouds is 0.15 -3 cm. The life time of the clouds with such concentration between spiral arms permits to evaluate the velocity of ionization and to choose model of heating interstellar matter satisfying to these data. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/lrs/res5a.html -- 2.5 Кб -- 09.04.2016
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lrs/res5a.html -- 2.5 Кб -- 09.04.2016
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/lrs/res5a.html -- 2.5 Кб -- 09.04.2016
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