Jaime Rudas's latest activity
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Jaime Rudas replied to the thread Undergrad Help Understanding the Hubble Constant's Units.Yes, but to measure the Hubble constant, you need to know the distances. -
Jaime Rudas replied to the thread Undergrad Help Understanding the Hubble Constant's Units.Redshift tells you the distance only if you already know the rate at which the universe is expanding.
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Jaime Rudas reacted to Filip Larsen's post in the thread Undergrad Help Understanding the Hubble Constant's Units with
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The linear expansion rate corresponds to around 7.1⋅10-11 1/year so you can get the "equivalent speed = distance/year" if you multiply... -
Jaime Rudas replied to the thread Undergrad Help Understanding the Hubble Constant's Units.If the Earth were expanding at the same rate as the current expansion of the universe, then two cities 1000 kilometers apart (Paris and...
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Jaime Rudas replied to the thread High School This One Moved Me.I believe that for a model of reality to be predictive, its fundamental principles must correspond to reality and its mathematical...
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Such is Mathematics.
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I think, at rock bottom, math is motivated by an abstraction of physical reality. Why that abstraction was chosen, and even why to...
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I would say (imo) no. But, geometry is definitely an approximation or idealization of what we see in nature. Developing the logical...
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Jaime Rudas replied to the thread High School This One Moved Me.Frenkel says (4:32): "Mathematics does not come to us from physical reality." Is there really anything that could not come from...
