This printable crossword puzzle has 20 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
is the galaxy that contains the Solar System.
type of spiral galaxy
a massive and extremely remote celestial object, emitting exceptionally large amounts of energy, and typically having a starlike image in a telescope.
is a type of galaxy with an approximately ellipsoidal shape and a smooth, nearly featureless image.
consist of a flat, rotating disk containing stars, gas and dust, and a central concentration of stars known as the bulge
a galaxy that does not have a distinct regular shape,
a small galaxy composed of about 100 million up to several billion stars, a small number compared to the Milky Way's 200–400 billion stars
clouds of interstellar dust which might reflect the light of a nearby star or stars
another term for dark nebula.
a nebula that shines with its own light.
any of the numerous luminous or dark formations or irregularly distributed dust and gas seen within the Milky Way galaxy and in other spiral galaxies but not including the planetary nebulae.
a substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape (unlike a solid) and no fixed volume (unlike a liquid). "
a disk or circle of light shown surrounding or above the head of a saint or holy person to represent their holiness.
a shape or surface that is round and flat in appearance.
a cloud of gas and dust in outer space, visible in the night sky either as an indistinct bright patch or as a dark silhouette against other luminous matter.
the physical universe beyond the earth's atmosphere.
a distinctive practice, system, or philosophy, typically a political ideology or an artistic movement.
supershell is a cavity which is hundreds of light years across and is populated with hot (106 K) gas atoms, less dense than the surrounding interstellar medium, blown against that medium and carved out by multiple supernovae and stellar winds.
supershell is a cavity which is hundreds of light years across and is populated with hot (106 K) gas