宇宙真的在膨胀吗
Is the universe really expanding
摘要：
星系的红移一般可以用空间的膨胀来解释。引力的平坦时空理论提出了另一种解释。在这个理论中，引力的解释类似于麦克斯韦的平坦时空度规理论，引力是由一个场（势）来描述的，用这个场来定义适当的时间（原子时）。除了宇宙中的正确时间，观测者的时间也被陈述。观测者的时间间隔是绝对的，而真时间的间隔是依赖于时间的。特别是，遥远天体上的原子钟比现在的时钟走得慢。这解释了遥远物体的红移，而没有假设宇宙膨胀。
英文摘要：
The redshift of galaxies is in general explained by the expansion of space. The flat space time theory of gravitation suggests an additional interpretation. In this theory gravitation is explained analogously to Maxwell's theory on a flat space-time metric and gravitation is described by a field (potentials) with which the proper time (atomic time) is defined. In addition to the proper time in the universe, the oberserver's time is stated. The oberserver's time interval is absolute whereas the interval of the proper time is time dependent. In particular, atomic clocks at distant objects are going slower than clocks at present. This explains the redshift of distant objects without assuming an expanding universe.
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