Earth and Space Crossword

a black hole
a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as a normal planet
the rapid expansion of matter from a state of extremely high density and temperature and a theory of the creation of the universe
a region of space having a gravitational field so intense that no matter or radiation can escape
the displacement of the spectrum to shorter wavelengths in the light coming from distant celestial objects moving towards the observer.
a planet that orbits a star outside the solar system
a region of the solar system beyond the orbit of Neptune
a cloud of gas and dust in outer space
a celestial object of very small radius and very high density, composed predominantly of closely packed neutrons
a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy
a ring-shaped nebula formed by an expanding shell of gas around an aging star.
a contracting mass of gas which represents an early stage in the formation of a star.
the displacement of spectral lines towards longer wavelengths
Planet that is composed primarily of silicate rocks or metals EX. Mercury, Venus, Earth, Mars
passing through
a small very dense star typically the size of a planet
unsteady movement from side to side
a small rocky body that orbits the sun
a celestial object consisting of a nucleus of ice and dust (has a tail)
the increase in light sound or other waves that causes sudden change in pitch noticeable in a passing siren, as well as the redshift seen by astronomers.