Star-land; being talks with young people about the wonders of the heavens (1899)
Ball, Robert Stawell, Sir, 1840- [from old catalog] · Boston and London, Ginn & company · leaf 380
y kindled from invisibility into brilliancy.How is a change so rapid in the lustre of a star to beaccounted for ? In a few days its brightness had under- THE DISTANCE OF A NEBULA. 367 gone an extraordinary increase. Of course, this doesnot tell us for certain that the star lay in the glowinggas ;… … Fig. 91. — To show how Small the Solar System is compared witha Great Nebula. on the same principles as those by which we explain theignition of meteors in our atmosphere. If a dark star,moving along with terrific speed through space, weresuddenly to plunge into a dense region of the nebula,heat…
Astronomy
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