Irving, [Christopher], d. 1856. [from old catalog], Ortmann, Anselm. [from old catalog] · Baltimore, Md., New York, J. Murphy company · leaf 25
travel through space ?A. Light travels with a velocity of 186,330 miles asecond. Q. 4. What causes the planets to circle aroundthe sun ?A. It is the suns attraction. Q. 5. If the law of gravitation according to whichbodies attract each other would suddenly cease toexist, how would the planets then… … Fig. 3. Were Gravitation to Cease. Q. 6. How far is the sun.distant from the earth? THE SUN. 15 A. The mean distance of the sun from the earthis 92,900,000 miles. Q. 7. What is the length of the suns diameter? A. The suns diameter is 866,500 miles, which is109.5 times the diameter of the earth. Q.…
Astronomy
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