Sentences with phrase «satellite galaxy structures»
David Merritt, professor of astrophysics at Rochester Institute of Technology, co-authored «Co-orbiting satellite galaxy structures are still in conflict with the distribution of primordial dwarf galaxies,» to be published in an upcoming issue of Monthly Notices of the Royal Astronomical Society.
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When the cobe satellite in 1992 mapped the faint microwave glow left over from the Big Bang, it couldn't make out structures as small as individual galaxies, or even clusters of galaxies.
The vast polar structure — a plane of satellite galaxies at the poles of the Milky Way — is at the center of a tug - of - war between scientists who disagree about the existence of mysterious dark matter, the invisible substance that, according to some scientists, comprises 85 percent of the mass of the universe.
This means that the vast polar structure of satellite galaxies may be a transient feature, Chakrabarti noted.
Recent advances in observational technique allow the detection of the extremely faint structure around galaxies, such as loops or debris that are likely made by dynamical interactions with satellite galaxies..
Together with the Galactic Archeology study based on the HSC wide - field survey of the Subaru Strategic Program, we hope to establish the presence and nature of satellite galaxies, and determine the large - scale structure and stellar content of halos of spiral galaxies in general.»
Detection of the spiral's dust in a bi-symmetric structure provides strong evidence of its position deep inside the giant elliptical host while the vast amounts of radio, visual, and x-ray emissions are a result of the energy released by this continuing galactic merger (or «consumption» of a satellite galaxy).