Back to the article index


Article Contents

ABSTRACT

1.INTRODUCTION

2.ZWICKY'S DISCOVERY OF DARK MATTER IN THE COMA CLUSTER

3.KAHN & WOLTJER (1959)

4.TWO DISCOVERIES THAT HAD AN IMMEDIATE IMPACT

5.SLIPHER'S CONTRIBUTION TO NEBULAR SPECTROSCOPY

6.HUBBLE AND THE DISCOVERIES OF OTHERS

REFERENCES