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 ...
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 ...
Universe. What is your Cosmic Address? Size and Scale of the Universe .... of an
object to relate an angular size with a physical size to determine distance ...
Feb 1, 2013 ... Is our universe infinite or closed? Because the visible Universe is expanding, the
most distant visible things are much further away than its ...
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.
The centre of the balloon does not correspond to anything physical. The universe
may be finite in size and growing like the surface of an expanding balloon, but ...
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.
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 ...