How can the visible universe be 46 billion light-years in radius when the universe is only 13.8 billion years old? How can the visible universe be 46 billion light-years (BLY) in radius when the universe is only 13.8 billion years old?
And how can we detect light 46 billion light-years away when the universe has been in existence for only a fraction of that time?
Astronomers widely accept that the universe formed in a Big Bang [with no precedent, everything blowing up into existence out of nothing, with scientists claiming to be superior to religieux IF they be given just this one miracle to explain how everything began] approximately 13.8 billion years ago.
It has been expanding ever since [which it has not but how else to explain the Doppler effect redshift than to say everything is moving apart when it is not].
This expansion explains how a 13.8-billion-year-old universe can be so much larger than 13.8 billion light-years across.
First of all, [scientists] should explain that the light-speed limit that relativity imposes on objects within the universe does not apply to the universe itself.
- [Why? God doesn't follow His own rules imposed on everyone else like "thou shalt not kill" because as God and the model, He kills everyone he wants like the Demiurge of which the Gnostics speak.]
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| UFO or capsule debris on the surface of Mars |
In fact, we can't refer to an absolute expansion speed of the universe because we can't measure it in reference to anything external.
We can only gauge the "speeds" of distant galaxies that are receding from us relative to our own position.
Apart from those that are gravitationally bound (such as, say, the Milky Way and Andromeda galaxies), all galaxies appear to be moving away from each other as the "space-time" in which they're embedded expands.
The more distant the galaxy, the faster its recession velocity, as noted by the Hubble Law. As a consequence of this expansion, a galaxy's location changes considerably during the period of time that its light requires to travel to us.
More- Southworth Planetarium Director Edward Herrick-Gleason, University of Southern Maine, Portland, Maine, Astronomy Magazine staff (MSN.com) How can the visible universe be..., June 12, 2024; Sheldon S., Seth Auberon (eds.), Wisdom Quarterly
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