
The Heavens in July 07, 1914
Are Comets Visitors, or Do They Belong to the Solar Family?

The Heavens in July 07, 1914
Are Comets Visitors, or Do They Belong to the Solar Family?

The Solar System and the Earth's Crust
Essential Similarity in Composition of Sun and Earth

The Heavens in June
New Comet Discovered--Counting the Stars

The Heavens in May
The First Comet of 1914, and Its Orbit

The Heavens in April
Discovery That the Sun as a Whole Possesses a Magnetic Field

The Heavens in March
Is Interstellar Space Transparent? Are There Dark Nebul?

The Heavens in February
Uncertain Orbit of Delavan's Comet--Counting the Nebula

The Heavens in January 1914
Some Notes on the Planets and Their Satellites

The Heavens in December 1913
Return of the Third Comet of 1900

The Heavens in November 1913
Three Interesting Comets now in the Evening Sky

The Heavens in October 1913
The Newly Discovered Comets and Their Orbits

The Heavens in September 1913
The International Union for Solar Research and the Astronomische Gesellschaft

The Heavens in August 1913
The Summer Constellations; Jupiter's Satellites

The Heavens in July 1913
How the Navigator Lays out his Course

The Heavens in June 1913
Some Data on Schaumasse's Newly-discovered Comet

The Heavens in May 1913
Motions of the So-called "Fixed" Stars

The Heavens in April 1913
Do the Pleiades Shine Through a Haze of Star Dust?

The Heavens in March 1913
Eclipse of a Star by One of Jupiter's Moons

The Heavens in February 1913
How Astronomical Predictions Have Been Verified in the Laboratory

The Heavens in January, 1913
Is Venus a Dead or a Living World?

The Heavens in December 1912
Three Comets Now Visible; Directions for Finding the Planet Neptune

The Heavens in November 1912
The Defining Power of Small Telescopes

The Heavens in October 1912
Recapture of the Tiny Planet 1911 MT.

The Heavens in September 1912
Indications of the Sun's motion through Space at 12 Miles per Second