 | John Lee Comstock - 1813 - 448 pages
...light, may be readily comprehended. An eclipse of one of these satellites appears, by calculation, to take place sixteen minutes sooner, when the earth is in that part of hei orbit nearest to Jupiter, than it does when the earth is in that part of her orbit at the greatest... | |
 | Levi Washburn Leonard - 1827 - 398 pages
...have led to the discovery, that light is about eight minutes in coming from tho sun ta 114 6ATURW. the earth ; for an eclipse of one of these satellites...place sixteen minutes sooner, when the earth is in the part of her orbit nearest Jupiter, than when in the part farthest from him. Hence light is sixteen... | |
 | Thomas Morell - 1827 - 614 pages
...the time which a ray of light occupies in traversing the earth's orbit ; for the obscuration begins sooner when the earth is in that part of its orbit nearest to the planet, and later when at its greatest distance. By this important discovery, a rule was obtained... | |
 | Levi Washburn Leonard - 1828 - 368 pages
...minutes in coming from the sun to 10* the earth ; for an eclipse of one of these satellites appeal1* to us to take place sixteen minutes sooner, when the earth is in the part of her orbit nearest Jupiter, than when in the part farthest from him. Hence light is sixteen... | |
 | Levi Washburn Leonard - 1830 - 350 pages
...places. They have led to the discovery, that light is about eight minutes in coming from the sun to 114 the earth ; for an eclipse of one of these satellites...place sixteen minutes sooner, when the earth is in the part of her orbit nearest Jupiter, than when in the part farthest from him. Hence light is sixteen... | |
 | John Lee Comstock - 1830 - 308 pages
...light, may be readily comprehended. An eclipse of one of these satellites, appears, by calculation, to take place sixteen minutes sooner, when the earth is in that part of her orbit nearest to Jupiter, than it does, when the earth is in that part of her orbit, at the greatest... | |
 | Henry Fergus - 1833 - 294 pages
...can be exactly calculated ; and Roemer, a Danish astronomer, observed that these eclipses are seen sixteen minutes sooner when the earth is in that part of its orbit which is nearest Jupiter, than when it is farthest from him. This shows that light takes sixteen minutes... | |
 | John Lee Comstock - 1835 - 308 pages
...light, may be readily comprehended. An eclipse of one of these satellites, appears, by calculation, to take place sixteen minutes sooner, when the earth is in that part of her orbit nearest to Jupiter, than it dot's when the earth is in that part of her orbit at the greatest... | |
 | R T. Linnington - 1837 - 274 pages
...stated periods, it was found that they were visible about sixteen minutes earlier when the earth was in that part of its orbit nearest Jupiter, than when in the opposite part, showing that light is about sixteen minutes in passing across the diameter of the earth's... | |
 | John Lauris Blake - 1838 - 160 pages
...with which light moves through space. An eclipse of one of these satellites, appears, by calculation, to take place sixteen minutes sooner, when the earth is in that part of its orbit nearest to Jupiter, than it does, when the earth is in that part of its orbit most distant from Jupiter. It... | |
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By these eclipses also, it has been ascertained that light is about eight minutes in coming from the sun to the earth. For, an eclipse of one of these satellites appears to us to take place sixteen minutes sooner, when the earth is in that part of its... 
