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What is the size of Neptune in km?
From Universe Today, Neptune, which is one of the giant planets... "...[has] a diameter of 49,500 km."
How many plancks can you fit in the observable universe?
To estimate how many Planck lengths fit in the observable universe, we first note that the diameter of the observable universe is about 93 billion light-years, or approximately (8.8 \times 10^{26}) meters. The Planck length is approximately (1.6 \times 10^{-35}) meters. Dividing the diameter of the observable universe by the Planck length gives roughly (5.5 \times 10^{61}) Planck lengths across the observable universe, indicating an extraordinarily vast number of these tiny units can fit within it.
How many parsecs does the Universe has?
The observable universe is estimated to be about 93 billion light-years in diameter, which translates to roughly 28.5 billion parsecs. However, the entire universe may extend beyond what we can observe, and its true size is still a subject of research and debate in cosmology. Thus, while we can quantify the observable part, the total number of parsecs for the entire universe remains unknown.
How long would it take to travel from the end of the universe to Earth?
Well, since the end of the Universe is constantly expanding, and since it would depend on how fast you are going, it could take 1 year to 10000000000000000000000 years or more. There is also very little evidence that the Universe actually has an ending.
What does observable universe mean?
The observable universe refers to the portion of the universe that can be seen from Earth, limited by the distance light has traveled since the Big Bang, approximately 13.8 billion years ago. This region encompasses all celestial objects whose light has had enough time to reach us, creating a spherical boundary around our planet. Beyond this boundary, there may be more universe that we cannot observe due to the finite speed of light and the expansion of space. The observable universe is estimated to be about 93 billion light-years in diameter.
How large is the known universe?
The observable Universe has a diameter estimated at 93 billion light-years.
What is the diameter of the Universe last year comaped to this year?
About the same, actually. "Unknowable" "Unknowable". We're not even sure that the concept of "diameter of the universe" makes any sense.
Diameter of the largest planet in the universe?
Nobody knows what is the largest planet in the universe, but Jupiter is the largest planet in the Solar System.
How huge is the universe?
The observable universe is thought to be a sphere about 93 billion light years in diameter (see related link).
How many light years is the diameter of the known universe?
The OBSERVABLE Universe has a diameter of about 93 billion light-years. "Observable" means that the light of anything beyond that hasn't had time to reach us, since the time of the Big Bang.
What is the size of Neptune in km?
From Universe Today, Neptune, which is one of the giant planets... "...[has] a diameter of 49,500 km."
How many galaxies are there since the universe is 93 billion light-years in diameter?
300 sextillion.
How long would it take for light to go across the universe?
Answer #1:A long time.......=====================Answer #2:Classically, it would take(the diameter of the universe, in miles)/(5,878,464,424,000) years.
What is circumference of the universe?
There are many things man can not prove. This is one of them.
How many galaxies are there in the universe since it's 93 billion light-years in diameter?
1.5 trillion.
What is univerese?
The universe is all existing matter and space considered as the cosmos. It is at least 10 billion light years in diameter,
How much area does the Andromeda galaxy take up of the universe?
The Andromeda galaxy covers a relatively small fraction of the observable universe. It is estimated to be around 220,000 light-years in diameter, making up just a tiny portion of the vast expanse of the universe.
