20 ASTRONOMY • DECEMBER 2015
Unfettered by tales of science fiction,
the cosmos is almost incomprehensibly
large. by David J. Eicher
THE
COSMIC
DISTANCE
SCALE
20 ASTRONOMY • DECEMBER 2015
Unfettered by tales of science fiction,
the cosmos is almost incomprehensibly
large. by David J. Eicher
THE
COSMIC
DISTANCE
SCALE