... 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 (>3624) - www.sai.msu.su/ )

• APOD Index - Stars: Globular Clusters
• APOD: 2005 September 5 - Globular Cluster 47 Tucanae from SALT
• Sternberg Astronomical Institute

... Our Milky Way galaxy is host to a number of companions. These companions are gravitationally bound to the Milky Way and are stellar systems in their own right. They include a population of about 150 globular clusters (GCs) and some 30 dwarf satellite galaxies (DSGs). ... These DSGs are more extended and diffuse compared to GCs. In fact the larger satellites of the Milky Way (and other galaxies, for that matter) host their own small systems of GCs. ...

Еще в разделе: (Показать все результаты (>1641) - www.astrosociety.org/ )

• Astronomical Society
• ASP: Big Clusters, Tiny Galaxies
• ASP: Black Holes to Blackboards: Drifting Through Andromeda

... Observations . Objects . ... Canis Major . ... Canis Minor . ... Leo . ... Leo Minor . ... Ursa Major . ... Ursa Minor . ... Herschel 2500 . ... Herschel 400 (I) . ... Globular Clusters . ... AL Globular Club . ... AL Planetary Club . ...

Еще в разделе: (Показать все результаты (>538) - www.wro.org/ )

• http://www.wro.org/neumann/observations.html
• http://www.wro.org/neumann/astronomical_lists.html

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 (>2781) - www.armaghplanet.com/ )

• Omega Centauri: globular cluster of 300,000 stars | Astronotes

... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... RV Tau Variables in Globular Clusters - clues on their nature? ... This is a report of the detailed elemental abundances of RV Tau variables that reside in globular clusters, and how they compare with RV Tau variables in the field. ...

Еще в разделе: (Показать все результаты (>11120) - www.atnf.csiro.au/ )

• Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or
• Blind HI Survey in the Centaurus and Fornax Clusters
• ATNF Colloquium

... 22.09.2000 . ... Credit: B.J. Mochejska , J. Kaluzny ( CAMK ), 1m Swope Telescope Explanation: The fifty-fifth entry in Charles Messier's catalog, M55 is a large and lovely globular cluster of around 100,000 stars. ... Astronomers who make detailed studies of globular cluster stars can accurately measure the cluster ages and distances. ... Publications with keywords: star cluster - cluster - globular cluster - m55 . Publications with words: star cluster - cluster - globular cluster - m55 . ...

Еще в разделе: (Показать все результаты (>106272) - www.astronet.ru/ )

• Астронет > M55: Globular Star Cluster
• M15: Dense Globular Star Cluster
• Астронет > M15: Dense Globular Star Cluster

... 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 (>5852) - www.arcetri.astro.it/ )

• APOD: 2000 August 4 - M15: Dense Globular Star Cluster
• APOD: 2001 March 11 - NGC 1818: A Young Globular Cluster
• HAEBE Clusters Analysis (Abstract)

... Commission 37: Star Clusters and Associations . Home Page . Commission 37 of the International Astronomical Union deals with all aspects of Globular Cluster, Open Cluster, and Stellar Associations research. With Commission 33 it forms Division VII of the IAU. Commission Structure . ... IAU Home Page . Open Clusters Database (maintained by J.-C. Mermilliod ) . Catalogue of Milky Way Globular Cluster Parameters (maintained by W. E. Harris ) . ...

Еще в разделе: (Показать все результаты (>421) - www.mso.anu.edu.au/ )

• Dougal Mackey - Conference Proceedings
• Gary Da Costa's Preprints Page
• GSAOI Super Star Clusters Science Page

... Radio source identifications . The Web-server of the Astronomical Institute of the St.-Petersburg University opens the experimental service on assignment of clusters data. At present only the data about radio sources in ACO clusters of galaxies are reasonably complete, while only restricted optical information is in our database. Later on, we also intend to include X-ray data and data about brightest cluster galaxies (BCG). ... ACO: radio optic ( for example, A0690 and " optic "), . ...

Еще в разделе: (Показать все результаты (>491) - www.sao.ru/ )

• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies
• A VLA Survey of Rich Clusters of Galaxies I.
• A VLA Survey of Rich Clusters of Galaxies III

.

Еще в разделе: (Показать все результаты (>52232) - www.eso.org/ )

• Anja Feldmeier-Krause
• The globular star cluster NGC 6362 in the constellation of Ara (The Altar) |...
• The globular star cluster Messier 4 in the constellation of Scorpius | ESO

A Canadian and American team of Astronomers have used the 305-m wide Arecibo radio dish, the world's largest and most sensitive radio telescope, to uncover a dozen new super-fast-spinning pulsars. The team directed their search for these rare and exotic stars by pointing the Arecibo radio telescope towards massive star clusters, called Globular Clusters, orbiting our Milky Way galaxy. ... One of the most exotic residents in the Globular cluster system are the millisecond pulsars. ...

Еще в разделе: (Показать все результаты (>1611) - www.naic.edu/ )

• Catalogs and Publications

... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...

Еще в разделе: (