Is an area containing no air or any other matter.
A spiral galaxy in which the spiral arms are attached to a straight "bar" that runs through the center of the galaxy.
The North Star, found in the constellation Ursa Minor.
Are large clouds of gas and space dust.
A group of stars which seems to outline the shape of a person, an animal, or something else.
Is the cluster of about 40 galaxies that the Milky Way belongs to.