Word by Word Definitions. icingplay. : a sweet flavored usually creamy mixture used to coat baked goods (such as cupcakes) âcalled also frosting. : an illegal act by an ice hockey player of shooting a puck from within the defensive zone or defensive half of the rink beyond the opponents' goal line but not into the goal.
A study suggested that there are 100 million black holes in the Milky Way Galaxy, but X-ray observations have only found dozens so far. Most of the black holes may be âdarkâ and difficult to see directly at any wavelength.
There are an estimated 100-300 billion galaxies in the observable universe. The number of stars in a galaxy depends on its size. The Milky Way Galaxy has between 200 and 400 billion stars. Dwarf galaxies may contain as few as 10 million stars, while the largest galaxies consist of more than a trillion. This is usually due to the merging of smaller galaxies into one big galaxy.