Other Worlds Their Nature Possibilities And Habitability In The

Mars is the fourth planet in the order of distance from the sun, and the outermost member of the terrestrial group. Its mean distance is 141,500,000 miles, variable, through the...

Very naturally the moon has always been a great favorite with those who, either in a scientific or in a literary spirit, have speculated about the plurality of inhabited worlds....

We come now to a planet which seems, at the first glance, to afford a far more promising outlook than Mercury does for the presence of organic life forms bearing some resemblanc...

There is no reason why everybody should not know the principal planets at sight nearly as well as everybody knows the moon. It only requires a little intelligent application to...

Beyond Mars, in the broad gap separating the terrestrial from the Jovian planets, are the asteroids, of which nearly five hundred have been discovered and designated by individu...

One of the first things that persons unaccustomed to astronomical observations ask to see when they have an opportunity to look through a telescope is the planet Saturn. Many te...

Mercury, the first of the other worlds that we are going to consider, fascinates by its grotesqueness, like a piece of Chinese ivory carving, so small is it for its kind and so...

When we are thinking of worlds, and trying to exalt the imagination with them, it is well to turn to Jupiter, for there is a planet worth pondering upon! A world thirteen hundre...

Other worlds and their inhabitants are remarkably popular subjects of speculation at the present time. Every day we hear people asking one another if it is true that we shall so...

It is easy to make acquaintance with the planets and to follow them among the stars--The first step a knowledge of the constellations--How this is to be acquired--How to use the...

The moon a favorite subject for intellectual speculation--Its nearness to the earth graphically illustrated--Ideas of the ancients--Galileo's discoveries--What first raised a se...

A planet that matches ours in size--Its beauty in the sky--Remarkable circularity of its orbit--Probable absence of seasons and stable conditions of temperature and weather on V...

Resemblances between Mars and the earth--Its seasons and its white polar caps--Peculiar surface markings--Schiaparelli's discovery of the canals--His description of their appear...

The wonder of the great rings--Saturn's great distance and long year--The least dense of all the planets--It would float in water--What kind of a world is it?--Sir Humphry Davy'...

Only four asteroids large enough to be measured--Remarkable differences in their brightness irrespective of size--Their widely scattered and intermixed orbits--Eccentric orbit o...

Grotesqueness of Mercury considered as a world--Its dimensions, mass, and movements--The question of an atmosphere--Mercury's visibility from the earth--Its eccentric orbit, and...

Jupiter compared with our globe--His swift rotation on his axis--Remarkable lack of density--The force of gravity on Jupiter--Wonderful clouds--Strange phenomena of the great be...

Remarkable popular interest in questions concerning other worlds and their inhabitants--Theories of interplanetary communication--The plurality of worlds in literature--Romances...