A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar
gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias ...
Apr 15, 2016 ... Our galaxy, the Milky Way, is typical: it has hundreds of billions of stars, enough
gas and dust to make billions more stars, and about six times ...
There are billions of Galaxies in the Universe. Some are very small with only a
few million stars. While others could have as many as 400 billion stars, or even ...
Interactive project that allows the user to participate in a large-scale project of
galaxy research: classifying millions of galaxies found in the Sloan Digital Sky ...
Nearly all stars belong to gigantic groups known as galaxies. The Sun is one of at
least 100 billion stars in our galaxy, the Milky Way. And there are billions of ...
May 14, 2012 ... Galaxies are composed of stars, dust, and dark matter, all held together by gravity
. They come in a variety of shapes, sizes, and ages.
The name of our galaxy is the Milky Way. Our Sun and all of the stars that you see
at night belong to the Milky Way. When you go outside on a dark night and ...
News and research on the formation of galaxies. From the Milky Way to
Andromeda Galaxy, see astronomy images of splendid galaxies in the universe.
In this educational animated movie about Science learn about the stars, the
Milkyway, redshift, Hubble telescope, and Andromeda.
Oct 29, 2015 ... The Milky Way is our neighborhood in the universe. It's a galaxy and there are
many others out there. Galaxies contain gas, dust, and billions of ...