'Bright galaxies' diaporamas de présentation

Marianne Vestergaard University of Arizona

First Steps Toward Constraining Supermassive Black-Hole Growth: Mass Estimates of Black Holes in Distant Quasars. Marianne Vestergaard University of Arizona.

1.01k views • 89 slides

Galaxies

Galaxies. Galaxy Classification. Spiral (S) Elliptical (E) Irregulars (Irr). Normal Spirals. Sa, Sb, Sc From a to c Bulge becomes smaller Arms less tightly wound. Barred Spirals. SBa, SBb, SBc A to b to c similar to normal spirals. Arms at end of a bar passing though bulge.

492 views • 31 slides

Clusters of Galaxies:

Clusters of Galaxies:. Clusters are systems a few Mpc across, typically containing ~ 50-1000 luminous galaxies within the central 1 Mpc Clusters are gravitationally bound with M of ~ 10 14 -10 15 M 8 Clusters are filled with hot x-ray gas

492 views • 30 slides

Watching Galaxies Form Near the Beginning of Time

308 views • 30 slides

Galaxies are not randomly distributed

Large Scale Structure. Clusters and Groups. Stellar systems Stellar Clusters Galaxies Galaxy Groups and Clusters Galaxy Superclusters The Universe. Galaxies are not randomly distributed Concentrations categorized by number of bright galaxies (more than 10% of Milky Way galaxy luminosity)

265 views • 26 slides

Scales in Space and Time in the Cosmos

Scales in Space and Time in the Cosmos. By Dr. Harold Williams of Montgomery College Planetarium http://montgomerycollege.edu/Departments/planet/. The Scale of the Cosmos. Astronomy deals with objects on a vast range of size scales and time scales.

410 views • 22 slides

Clusters and Superclusters

Clusters and Superclusters. Clusters. Galaxies are not distributed randomly through space Concentrated in groups called Clusters Clusters range from about 10 13 M Sun to about 10 15 M Sun Range in size from 2 Mpc to 10 Mpc across

590 views • 19 slides

235 views • 10 slides