Growing pains: old, massive galaxies when none should be
Article Abstract:
Galaxies, according to the standard dark matter scenario, should have formed hierarchically where sub galactic scraps came first and slowly consolidated into full-fledged galaxies. Dark matter may seem exotic, but cosmologists regard it as the essence of simplicity.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2004
User Contributions:
Comment about this article or add new information about this topic:
Earth-shattering theory
Article Abstract:
Issues concerning the moon's angular momentum are discussed. Particular attention is given to scientific explanations of the moon's angular momentum, including calculations involving the Earth's mass and the angle of impact.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2001
User Contributions:
Comment about this article or add new information about this topic:
Magnetic anomalies
Article Abstract:
Issues concerning the importance of magnetic fields in shaping the universe are presented. The properties of the magnetic fields associated with the Milky Way and other galaxies are discussed.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Stability of metal-organic complexes in acetone- and methanol-water mixtures. Oxidation kinetics of Co(II)-EDTA in aqueous and semi-aqueous goethite suspensions
- Abstracts: Modeling aerosol formation from alpha-pinene + NO(subx) in the presence of natural sunlight using gas-phase kinetics and gas-particle partitioning theory
- Abstracts: Bioremediation of an experimental oil spill on the shoreline of Delaware Bay. Parameter estimation in biofilter systems
- Abstracts: Golden Gate update. Researchers subject largest test building to simulated quake. Geologists find evidence of faults that crisscross upstate New York
- Abstracts: Digital camcorders: limited appeal? Digital snapshots from my vacation. Digital music 24/7