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Sep 29, 2020 · The Sun is one astronomical unit (AU) away from us. One astronomical unit is 149,598,000 km / 92,955,887 miles, and in our top shape, we could reach it in 25 days. Now, the Universe is 93 billion light-years across, and one, just one light-year, is equivalent to 63,000 astronomical units.
May 16, 2023 · This website shows how generations of explorers have taken us, step by step, ever farther into the vast expanse of the universe. It is a journey of discovery that has only just begun.
Mar 29, 2021 · Today's estimates put it at somewhere between 67 and 74 km/s/Mpc (42-46 miles/s/Mpc). Part of the problem is that the Hubble Constant can be different depending on how you...
Jan 28, 2022 · How big is the universe? Based on what we can observe, the universe appears to be almost 28 billion light-years across. However, it is far larger than that.
Today the universe has expanded into an age and size that is physically only in parts observable as the observable universe, which is approximately 93 billion light-years in diameter at the present day, while the spatial size, if any, of the entire universe is unknown. [3]
Sep 26, 2023 · The universe could, indeed, be infinite. How large is the universe? Put simply, we don’t know. The best current estimate is that the universe’s diameter is at least 93 billion...
Scientists have been trying to measure the size of the universe for centuries. And while the exact size is still a mystery, we have a pretty good idea about the size of the observable universe - the part of the universe we can see from Earth.
