
The SciencesJune 21, 1913
The Double and Binary Stars
Over Ten Thousand Twin Stars Are Known

The Double and Binary Stars
Over Ten Thousand Twin Stars Are Known

New Theories of the Evolution of Stellar Systems
Successors of Kant and Laplace

Is Matter Eternal?
An Answer from the Modern Physical Standpoint

Numbering the Stars
The Astrographic Chart and Catalogue

Astronomy and Astrology
The Development of Astrology.

Venus as the Abode of Life
The Mystery of A Cloud - Veiled Planet

Life in other Worlds
The Interpretation of Planetary Markings

Is There a Trans-Neptunian Planet?

Halley's Comet