... Still, the detailed information available from clusters of galaxies like Abell 1689 gives hope that one day full solutions will be found that will not only fully reveal the dark matter in clusters , but also reveal the amounts of dark energy in the universe needed to lie along the line of sight to the distant arcs . ... Publications with keywords: abell 1689 - galaxy cluster - dark matter . Publications with words: abell 1689 - galaxy cluster - dark matter . ... The Hercules Cluster of Galaxies . ...

... 2010 August 24 . Galaxy Cluster Abell 1689 Magnifies the Dark Universe . ... Explanation: What's the matter with this cluster of galaxies? ... Still, the detailed information available from clusters of galaxies like Abell 1689 gives hope that one day full solutions will be found that will not only fully reveal the dark matter in clusters , but also reveal the amounts of dark energy in the universe needed to lie along the line of sight to the distant arcs . ... About APOD | ...

SMOV still under way, but science observations being made. Program Number . ... Program Title . ... Abstract . ... Andrew J. Levan, The University of Warwick . ... Star Formation in Nearby Galaxies . ... NICMOS Imaging of Protostars in the Orion A Cloud: The Role of Environment in Star Formation . ... In the original Cycle 16 incarnation of this program, NICMOS was used to survey a subset of the protostars; the program has since been transferred to the WFC3-IR camera. ... Past weeks: . ...

... Gravitational microlensing of giant luminous arcs: . a test for compact dark matter in clusters of galaxies . ... This paper discusses a new test for the detection of stellar mass compact dark matter in galaxy clusters by observing its gravitational lensing influence on the surface brightness of giant luminous arcs. ... With the advent of the Next Generation Space Telescope, cluster dark matter in the form of compact objects will induce a ubiquitous `shimmering' of the giant arcs. ... Giant Arcs . ...

... October 21, 1997 This Hubble Space Telescope image provides a detailed look at a brilliant "fireworks show" at the center of a collision between two galaxies. ... A ground-based telescopic view of the Antennae galaxies (known formally as NGC 4038/4039) - so named because a pair of long tails of luminous matter, formed by the gravitational tidal forces of their encounter, resembles an insect's antennae. The galaxies are located 63 million light-years away in the southern constellation Corvus. ...

home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...

... 145Slee,Roy Savage We present detailed radio and optical parameters for the stronger radio sources in 58 Abell cluster fields observed with the Very Large Array (VLA) using scaled arrays at 1.5 and 4.9 GHz. ... The cluster fields were distributed over 24 h of RA and between declinations +35 deg and -30 deg. ... Optical identifications Cluster Source Radio Centroid Optical Position EF Ang. ...

... Kopylov, A.I., Kopylova, F.G. "Structure of galaxy groups and clusters and measurement of their masses", . ... Kopylova, F.G., Kopylov, A.I. "Peculiar motions of galaxy clusters and groups in the Hercules and Leo supercluster regions", . ... Kopylova, F.G., Kopylov, A.I. "Analysis of the properties of clusters of galaxies in the region of the Leo supercluster", . ... Kopylova, F.G., Kopylov, A.I. "Analysis of the properties of clusters of galaxies in the region of the Ursa Major supercluster", . ...