Back to the article index

ArticleContents

ABSTRACT

1.THE BEGINNING

2.THE EARLY YEARS

2.1.The First Palomar Discoveries

2.2.Baade's Program Proposed

3.STELLAR EVOLUTION

3.1.Stars Move Off the Main Sequence Rather Than Up or Down

3.2.The Chemical Composition Connection

4.CALIBRATION OF THE CEPHEID P-L RELATION

5.COSMOLOGY

5.1.Large-Scale Distribution

5.2.The Velocity-Distance Relation

6.THE EXTRAGALACTIC DISTANCE SCALE

6.1.The First Step from the Local Group to NGC 2403

6.2.The Steps Series from NGC 2403 to the Global Expansion Field

7.EARLY DEVELOPMENTS IN HIGH ENERGY ASTROPHYSICS

7.1.Initial Identification of Radio Sources

7.2.The Discovery of Quasars and the AGN Phenomena

7.3.M82 and NGC 1275 as Prototypes of Starburst Galaxies and Other Violent Events

8.CONCLUSIONS

REFERENCES