The Universe is all of time and space and its contents. It includes planets, moons,
minor planets ... The size of the entire Universe is unknown, but there are many
hypotheses about the composition ...
Jul 31, 2009 ... If the Universe is 13.7 billion years old, and nothing can go faster than the .... 13.7
billion years but the 46.5 billion number is the physical size.
Bear in mind though that 10<sup>9</sup> is ten times the size of 10<sup>8</sup>, and 10<sup>18</sup> is ten billion
... Lengths smaller than this are considered not make any physical sense in our ...
The period of these variations depends on physical properties of the stars such
as their ... which have, in turn, given a measure for the scale of the Universe.
Jul 26, 2012 ... With the proper definition of the "size" of the universe, this question does .... light-
cone, and this is the physical size, and it's the size of a galaxy.
Nov 30, 2011 ... Physical size. The size of the Universe is immense. It is estimated that the
Universe is 156 billion (156,000,000,000) light years across.
Size and Scale of the Universe ... of physical and/or geometric properties of an
object to relate an angular size with a physical size to determine distance.
This value, however, only makes sense if our Universe's size were constant. ...
the time of flight or the distance traveled if you knew the other physical quantity.
Apr 3, 2014 ... An engineer, a mathematician and a physicist walk into a universe. ... the notion
of unseen extra dimensions in the physical universe. (In the ...
Zoom from the edge of the universe to the quantum foam of spacetime and learn
the scale of things along the way! Press left or right or drag the scroll bar to ...