Observable Earth was flat in the ancient times.
Lord Vishnu covered entire earth with one feet and sky with other feet in Vaman Avatar (in a dwarf human form)
Observable universe is flat in modern times.
https://www.livescience.com/what-is-shape-of-universe
What are your dreams which hold the future?
Additional conversation between two friends on this topic.
Person 1 : Ayya. Ippo enna solla varreengo? (What are you trying to say?)
Person 2: Universe may not be flat. Perhaps we are on the universe bubble though appear to be flat and observable distance is 93 billion light-years away. Perhaps we may have multiple universe bubbles. We do not know what we do not know😀
Person 1: Is it true that the observable distance is only such that the light reaches. If it is beyond 93 billion LY, the light never reaches us. Yeah, we don’t know what we don’t know.
The small little brain of a human trying to fathom the Universe!!
Person 2: Yes, that's correct. The observable universe refers to the region of space from which light has had enough time to reach us since the beginning of the universe. Beyond this distance, light hasn't had enough time to travel to us yet, so we can't observe objects or events that are farther away. This is why the observable universe is often described as having a diameter of about 93 billion light-years – it's the maximum distance from which light has had time to reach us. Anything beyond that distance is currently beyond our observational capabilities.
Person 1: It was Interesting to read that the NASA satellite sent the last picture before shutting down the camera to conserve energy was at 15 billion miles from Earth. The time it took to reach Earth was 21 hours (moves at the speed of light).
Pluto is not even a light-day away!!
With that logic it is almost unimaginable what 93 billion light years distance would be!!!
🤔🙏
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