| 41. | Also Divini had noticed in 1657 the satellite of Saturn, which previously he had considered a simple fixed star.
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| 42. | The ancient astronomy taught that above the seven planetary spheres was an eighth, the sphere of the fixed stars.
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| 43. | He also maintained that one can use a frame of reference in which the fixed stars are at rest.
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| 44. | As a practical matter, inertial frames often are taken as frames moving uniformly with respect to the fixed stars.
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| 45. | It can show nearly 50 fixed stars, and animate the chart in real time synchronized with the OS clock.
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| 46. | But it has long been known that the Sun moves eastward relative to the fixed stars along the ecliptic.
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| 47. | In the Mercury to Saturn, and thence to the sphere of the fixed stars and the heavens of the angels.
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| 48. | The star catalogue compiled by Claudius Ptolemy in the 2nd century CE lists 1, 022 fixed stars visible from Alexandria.
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| 49. | The concept of inertial frames of reference is no longer tied to either the fixed stars or to absolute space.
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| 50. | If there is one fixed star in his political constellation, it is that income tax rates must never, ever be reduced.
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