A Mystery of Space: S T A R S- [What is the Universe?]

Inside the Universe exists all of the stars, constellations, galaxies, black holes, and other types of objects that surround us. It is very hard for anyone to even imagine how big the universe is. Most scientists believe that either the universe is expanding, or is staying the same size. The expanding concept is the more widely agreed upon, since the Hubble Telescope

Hubble Space Telescope being serviced

has just provided more evidence of an expanding universe. The other dispute under the expanding universe concept, is that will the universe expand forever? Will it collapse, or at least contract? Those are two questions that are still unanswered.