... Shapley 1: An Annular Planetary Nebula . ... The center condenses into a white dwarf while the outer atmospheric layers are expelled into space and appear as a planetary nebula. ... NGC 1818: A Young Globular Cluster . ... Back in the old days, back when our Galaxy first formed, perhaps thousands of globular clusters roamed our Galaxy. ... More Jets from Comet Hale-Bopp . ... The prominent dust lane and halo of stars and globular clusters give this galaxy its name. ... Comet Hale-Bopp Returns . ...

Еще в разделе: (Показать все результаты (>126799) - www.astronet.ru/ )

MAP 7 COMA BERENICES, Virgo, Leo (Virgo Cluster of Galaxies) M3, M49, M53, M58, M59, M60, M61, M64, M65, M66 M84, M86, M87, M88, M90, M91, M98, M99, M100 M3 Blackeye Galaxy Coma Berenices M 53 M 85 M 100 M 98 M 91 88 M M 90 MM 84 86 M 89 M 87 M 58 M M 59 60 M 99 MM 65 66 M 49 M 61 Virgo 10° STARS <2 4.5 2.5 5 3 5.5 3.5 >6 4 SYMBOLS Comet Globular Cluster Asteroid Planetary Nebula Galaxy Quasar Open Cluster Other Object Bright Nebula

Еще в разделе: (Показать все результаты (>548) - www.atmob.org/ )

• http://www.atmob.org/library/member/skymaps/MAP14.PDF
• http://www.atmob.org/library/member/skymaps/MAP9.PDF
• http://www.atmob.org/library/member/skymaps/MAP2.PDF

... We sometimes use the word "nebula" to refer to galaxies, various types of star clusters and various kinds of interstellar dust/gas clouds. ... Early in this century, there was a great debate as to the nature of the nebulae like this one which at that time could not be resolved into individual stars. ... A typical galaxy is 100,000 light-years in diameter. ... M 42 shown) Reflection nebulae are clouds of dust which are simply reflecting the light of a nearby star or stars. ... M 1 shown) . ...

Еще в разделе: (Показать все результаты (>5427) - www.sai.msu.su/ )

• APOD: 2010 October 26 - Comet Hartley Passes a Double Star Cluster
• APOD Index - Stars: Open Clusters
• APOD: 2007 April 29 - NGC 6302: Big, Bright, Bug Nebula

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Image credit:ESO/J.Emerson/VISTA. ... However others are less pessimistic and it has even been claimed that the mysterious ?Wow! signal? received in 1977 originated from the direction M55.б  Sadly, this still unexplained pulse of radio energy originated from a location rather to the northwest of M55 so I doubt if the source was this cluster (if indeed the signal was genuinely of extraterrestrial origin). ... Mysterious Wow! ...

Еще в разделе: (Показать все результаты (>2772) - www.armaghplanet.com/ )

• NGC4666: Secrets of a Starburst Galaxy | Astronotes
• Omega Centauri: globular cluster of 300,000 stars | Astronotes
• Our Galaxy | Astronotes - Part 5

... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... A trio of open clusters in Cygnus, planetary nebula NGC 7139, and elliptical galaxy NGC 7103 . September 3 10, 2015: A trio of open clusters in Cygnus offers small-telescope owners a nice view, while large-telescope owners can seek out planetary nebula NGC 7139 in Cepheus and elliptical galaxy NGC 7103 in Capricornus. ...

Еще в разделе: (Показать все результаты (>6696) - www.astronomy.com/ )

• Globular cluster M28, open cluster M25, and planetary nebula NGC 6781 |
• Two open clusters in Canis Major, emission nebula NGC 2316, and spiral galaxy
• globular clusters | Astronomy.com

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. ...

Еще в разделе: (Показать все результаты (>528) - www.mso.anu.edu.au/ )

• http://www.mso.anu.edu.au/seminars/abstracts/20150804-1100.html
• Blue Straggler Stars

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

Еще в разделе: (Показать все результаты (>155) - zebu.uoregon.edu/ )

• Astronomy HyperText Book: Stellar Clusters

Program number . ... Infrared Snapshots of 3CR Radio Galaxies . Abstract . ... Holland Ford, The Johns Hopkins University . ... An ACS H-alpha Survey of the Carina Nebula . ... A Snapshot Survey of the most massive clusters of galaxies . ... An ACS Imaging Survey of the Galaxies Hosting Strong Mg II Absorption . ... ACS observations of the galaxies in a giant Ly-alpha nebula at z~2.7 . ... An ACS Survey of a Complete Sample of Luminous Infrared Galaxies in the Local Universe . ... Past weeks: . ...

Еще в разделе: (Показать все результаты (>11007) - www.stsci.edu/ )

• HST this week: 096
• Target Category and Target Description [Description]
• Surface Brightness Profiles

... In typical nightly use, the wide field and planetary telescope and cameras record images of favorably placed objects in the sky, including constellations, bright variable stars, nebulae through narrow-band filters, comets, the Moon, and planets. ... Shared Skies telescopes are available for use by students at the University of Louisville and the University of Southern Queensland, and by teachers and students in middle and high schools mentored by faculty at the universities. ...

Еще в разделе: (Показать все результаты (>215) - www.astro.louisville.edu/ )

... STScI-PRC00-25 A DYING STAR IN GLOBULAR CLUSTER M15 The globular cluster Messier 15 is shown in this color image obtained with the NASA Hubble Space Telescope's Wide Field Planetary Camera 2 (WFPC2). ... Known as Kuestner 648, this was the first planetary nebula to be identified in a globular cluster. ... At the present time, the most massive stars remaining in M15 have about 80 percent of the mass of our Sun, a fact that makes the existence of a planetary nebula like K 648 something of a mystery. ...

Еще в разделе: (Показать все результаты (>7297) - www.arcetri.astro.it/ )

• APOD: May 22, 1996 - Star Cluster in the Rosette Nebula
• APOD: 2000 August 4 - M15: Dense Globular Star Cluster
• APOD: November 12, 1996 - Comet Hale-Bopp Passes M14

... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Survey Telescopes . ... Galaxy Clusters . ... Star Clusters . ... Stars@ESO . ... This zoom video starts with a view of the central parts of the Milky Way. We zoom in towards the bright constellation of Scorpius (The Scorpion) and we see a fuzzy spot close to the tail. This is the bright star cluster Messier 7 and is visible with the naked eye. ... 208.1€аMB . ...

Еще в разделе: (Показать все результаты (>65725) - www.eso.org/ )

• Zooming in on the planetary nebula IC 1295 | ESO
• The bright star clusters Messier 47 and Messier 46 in the constellation of
• Zooming in on the bright star cluster NGC 3293 (fulldome) | ESO

... Non-NGC Images . ... Globular cluster in Scorpius (M80)..... image ..... caption . ... Globular cluster in Scorpius (M4)..... image ..... caption . ... Globular cluster in Oph (M107)..... image ..... caption . ... Nebula..... image . ... Globular cluster in Hercules (M13)..... image ..... caption . ... Globular cluster in Ophiuchus (M12)..... image ..... caption . ... Infrared-bright galaxy in Ophiuchus..... image ..... caption . ... Globular cluster in Ophiuchus (M10)..... image ..... caption . ...