This printable crossword puzzle on the topic of Astronomy & Space has 15 clues. Answers range from 4 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
the central or innermost portion of the sun
the luminous envelope of a star from which its light and heat radiate.
the rarefied gaseous envelope of the sun and other stars
the quality of being hot; high temperature.
the natural agent that stimulates sight and makes things visible.
a spot or patch appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings
the continuous flow of charged particles from the sun that permeates the solar system.
a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, usually near the northern or southern magnetic pole
noun: nuclear fusion a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy.
A region of turbulent plasma between a star's core and its visible photosphere at the surface, through which energy is transferred by convection
the strength and vitality required for sustained physical or mental activity
he strength and vitality required for sustained physical or mental activity
a reddish gaseous layer immediately above the photosphere of the sun or another star. Together with the corona, it constitutes the star's outer atmosphere.
a brief eruption of intense high-energy radiation from the sun's surface, associated with sunspots and causing electromagnetic disturbances on the earth
a layer of a star's interior where energy is primarily transported toward the exterior by means of radiative diffusion and thermal conduction, rather than by convection.