All Questions
Tagged with fundamental-astronomy space-time
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Could space time curve from the vantage point of earth and out into the universe, and would d = 1 / P in that case give false estimates?
The seventeenth century saw a revolution in astronomy. The invention of the telescope and the acknowledgement of the heliocentric system triggered a race amongst astronomers to measure the parallax of ...
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In layman's terms, why do we put the "time" in space-time?
What does "time" mean in the term space-time? I am trying to understand why anything that travels through space, from a proton to massive galaxies, is always referred to as traveling in space-time, ...
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Do astronomers, in principle, have more information about older phenomena than younger?
The further away we see, the older states of the world we observe. And the volume of the part of space which is observable, increases by the square of the distance to it. So there should basically be ...