The Planetary And Stellar Worlds: a Popular Exposition of the Great Discoveries And Theories of Modern Astronomy
The Planetary And Stellar Worlds: a Popular Exposition of the Great Discoveries And Theories of Modern Astronomy
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In our eReader you can find the full English version of the book. Read The Planetary And Stellar Worlds: a Popular Exposition of the Great Discoveries And Theories of Modern Astronomy Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Planetary And Stellar Worlds: a Popular Exposition of the Great Discoveries And Theories of Modern Astronomy
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To quickly assess the difficulty of the text, read a short excerpt:
The moon could not be arrested in its career , but is this necessary ? Is not the moon, in one sense, F 114 STRUCTURE OF THK UNIVERSE.
constantly falling towards the earth? Newton asserted this to be true, and thus did he prove it.
Stand upon the earth, and stretching outward into space 240,000 miles, there let the moon be located, poised and fixed in space, on a point of its present orbit. There let us suppose it to re- ceive an impulse in a direction perpendicular to the line which joins it t...o the eartn. By the first law of motion, being free to move, it will sweep off in a straight line, tangent to its present orbit, and will pass over a space in the first second of time, proportioned to the intensity of the impulse received. Mark that space, and bring the moon back to its primitive position. Now drop it to- wards the earth, and as it descends freely under the earth^s attraction, mark the space through which it falls in the first second of time. This being known, bring back the moon once again to its starting point.
What to read after The Planetary And Stellar Worlds: a Popular Exposition of the Great Discoveries And Theories of Modern Astronomy?
You can find similar books in the "Read Also" column, or choose other free books by O M Ormsby Macknight Mitchel to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The moon could not be arrested in its career , but is this necessary ? Is not the moon, in one sense, F 114 STRUCTURE OF THK UNIVERSE.
constantly falling towards the earth? Newton asserted this to be true, and thus did he prove it.
Stand upon the earth, and stretching outward into space 240,000 miles, there let the moon be located, poised and fixed in space, on a point of its present orbit. There let us suppose it to re- ceive an impulse in a direction perpendicular to the line which joins it t...o the eartn. By the first law of motion, being free to move, it will sweep off in a straight line, tangent to its present orbit, and will pass over a space in the first second of time, proportioned to the intensity of the impulse received. Mark that space, and bring the moon back to its primitive position. Now drop it to- wards the earth, and as it descends freely under the earth^s attraction, mark the space through which it falls in the first second of time. This being known, bring back the moon once again to its starting point.
What to read after The Planetary And Stellar Worlds: a Popular Exposition of the Great Discoveries And Theories of Modern Astronomy?
You can find similar books in the "Read Also" column, or choose other free books by O M Ormsby Macknight Mitchel to read onlineMoreLess
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