'Luminosity relation' diaporamas de présentation

Final exam

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The Milky Way and Beyond

1.02k views • 66 slides

A Practical Introduction to Stellar Nonradial Oscillations

Rich Townsend University of Delaware. A Practical Introduction to Stellar Nonradial Oscillations. ESO Chile ? November 2006. TexPoint fonts used in EMF. Read the TexPoint manual before you delete this box.: A A A A. Objectives. What? Where? Why? How?. Overview.

538 views • 39 slides

On the Acceleration of O ur U niverse and the Effects of I nhomogeneities

On the Acceleration of O ur U niverse and the Effects of I nhomogeneities. Akihiro Ishibashi. Cosmophysics IPNS KEK. RESCEU Symposium Nov 14 th 2008. Introduction. Distant SNe-Ia (at z ? 0.5) appear to be fainter than expected in Einstein-de Sitter model.

508 views • 38 slides

Stellar Death

Stellar Death. Core. He. H burning shell. The Sun in Five Billion Years. Main Sequence Evolution. Hydrogen is depleted in the last fusion zone Reaction rate falls Core can no longer support its weight core shrinks Temperature in the core increases Extra energy produced to -

398 views • 29 slides

The Milky Way Galaxy

The Milky Way Galaxy The Milky Way Galaxy Overview By Claudius Ptolemy:

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Stellar Evolution Life After the Main Sequence

Stellar Evolution Life After the Main Sequence. Stellar Evolution - Life After the Main Sequence Why Do Stars Evolve?. The Changing of Chemical Composition As a star uses fuel, it transforms light elements into heavy elements.

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Quasars and Massive Black Holes

Quasars and Massive Black Holes. Stephen Fine. Outline. What is a quasar How do we study quasar black holes Why do we study quasar black holes What are the current difficulties in studying black holes How can we improve on the current situation. What is a quasar?. This is not a quasar.

382 views • 21 slides

Stars

Stars. Other Suns. Physical Properties. Luminosity Mass Diameter (radius) Must know distance to find out these properties!. Physical Properties. Surface temperature Chemical composition Analyze spectra to infer these properties; distance not required. Distances.

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Multiple Star Systems

243 views • 9 slides