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Universe

en.wikipedia.org/wiki/Universe

The size of the Universe is somewhat difficult to define. According to a restrictive definition, the Universe is everything within ...

How Big is the Universe? - Space.com

www.space.com/24073-how-big-is-the-universe.html

Dec 24, 2013 ... This might seem to imply that the entire universe lies within our view. But the size of the universe depends on a number of things, including its ...

How to Picture the Size of the Universe | WIRED

www.wired.com/2011/12/universe-size/

Dec 6, 2011 ... Scientists argue over the exact shape and size of the universe but they can calculate one thing with good precision: how far away we can see.

www.ask.com/youtube?q=What Is the Size of the Universe?&v=4S69zZwYrx0
Dec 31, 2014 ... From the quantum size to the cosmic scale, the size comparison of the entire universe will show you how large things really are! This is an ...

The Next 209 Seconds Will Blow Your Mind | IFLScience

www.iflscience.com/space/how-big-our-place-universe

Dec 22, 2014 ... Check out this video by BuzzFeedBlue that compares the size of the Earth ... Despite our microscopic presence in the Universe, it's pretty cool ...

Measuring the age and size of the Universe | ESA/Hubble | ESA ...

www.spacetelescope.org/science/age_size/

The top ranked scientific justification for building Hubble was to determine the size and age of the Universe through observations of Cepheid variables in distant ...

How Big is the Universe? - Universe TodayUniverse Today

www.universetoday.com/113786/how-big-is-the-universe-2/

Aug 11, 2014 ... Are we talking about the size of the Universe we can see, or the Universe's actual size right now? The Universe is big, but how big is it?

Why is the Scale of the Universe so Freakishly Large? - io9 - Gizmodo

io9.gizmodo.com/why-is-the-scale-of-the-universe-so-freakishly-large-1719048488

Jul 20, 2015 ... It's hard to wrap our heads around the size of our galaxy, let alone the Universe. At 100,000 light-years across, it would take the New Horizons ...

Sizes of the Universe Poster - Number Sleuth

www.numbersleuth.org/universe/size/

Sizes of the Universe. Have you ever wondered how big the universe is? ... This infographic from Number Sleuth is intended to show you the size of the universe  ...

How can it be understood that the universe is 93 billion light years ...

www.quora.com/How-can-it-be-understood-that-the-universe-is-93-billion-light-years-across-and-yet-only-13-8-billion-years-old-1

So it was not a problem for the observable universe to reach a size of 90+ billion light years in the timespan of 13.8 billion years. There was nothing to stop it ...

Answer
The actual size of the entire universe is unknown.
The estimated the size of the observable universe--the part of the universe that can be seen—can theoretically be measured, however. Estimates vary based on different models of the universe’s expansion.
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NASA - How Big is Our Universe?

www.nasa.gov

Jul 15, 2004 ... Imagine that our entire Solar System were the size of a quarter. ... Go on the full exploration of the size of our universe at: How big is our ...

The Scale of the Universe 2 - HTwins.net

htwins.net

Zoom from the edge of the universe to the quantum foam of spacetime and learn about everything in between.

Size Comparisons of the Largest Objects in the Known Universe

futurism.com

Sep 5, 2015 ... Here's How Big Our Cities Really Are. Los Angeles seems like a relatively big town. In fact, it is the second largest city in the United States.