... 2008 February 7 . NGC 4013 and the TidalStream . ... Astronomers argue that the newly discovered tidalstream also explains a warped distribution of neutral hydrogen gas seen in ...
... The Sagittarius Dwarf TidalStream . Drawing Credit Copyright: David Martinez-Delgado ( MPIA ) Gabriel Perez ( IAC ) . ... galaxy, is now seen to be part of a larger Sagittarius TidalStream , a loose filament of stars, gas, and possibly dark matter ...
... The Sagittarius Dwarf TidalStream . Drawing Credit Copyright: David Martinez-Delgado ( MPIA ) Gabriel Perez ( IAC ) . ... galaxy, is now seen to be part of a larger Sagittarius TidalStream , a loose filament of stars, gas, and possibly dark matter ...
... In fact, the faint extended features below (and above) NGC 4631 are now recognized as tidal star streams. ... Even in nearby galaxies , the presence of tidal star streams is predicted by cosmological models of galaxy formation, including ...
... Arcing near the top of the novel cosmic portrait lies M83's northern stellar tidalstream , debris from the gravitational disruption of a smaller, merging satellite galaxy. ...
... The giant cosmic umbrella is now known to be composed of tidal star streams . ... to image faint structures around bright galaxies suggests that even in nearby galaxies , such tidal star streams are common ...
... The remarkable collaborative image is a mosaic constructed using data from small and large ground-based telescopes to bring out large-scale and faint tidalstreams, composited with the bright cores imaged in extreme detail by the Hubble Space Telescope. ...