ABC's of Science by Charles A. (Charles Alexander) Oliver
page 10 of 17 (58%)
page 10 of 17 (58%)
|
Magnitude is very uneven and irregular, and beyond this there is no
end. 2. Many constellations have more than one sun, while others are double, quadruple, and multiple. It is estimated a brilliant star, and can be seen; of these over a million have been catalogued and only about 25 whose distance have been measured. CHAPTER V FLOURISHMENT OF THE EARTH 1. The earth reached its state of concentration, and the vapor in great clouds enveloped the heavier substance. The earth being heaved up by volcanoes (caused by the vapor coming in contact with the heated material); as the vapor reached its state, rain fell on the earth crust, and thus rivers, lakes, and oceans were formed. 2. Here animal and vegetable matter began to flourish. 3. Great deposits of protoplasm became concentrated over the earth's surface; from the deposits sprang all kinds of vegetables and animals that flourish, and many more families than inhabit the earth to-day became extinct. 4. |
|