I WISH to call your atten tion at some length to th e magnitude of the solar system and the relative situation of the sidereal heavens. To comprehend such enormous distances as those which ...

Slightly less than the 24 hours of a solar day (23 hours, 56 minutes, 4.1 seconds). Used in astronomy, sidereal means "when a star crosses the meridian" (the meridian is an imaginary circle around ...