Astronomy The story of Larry ReavisWho (the hell) is Larry Reavis? Larry Reavis has not been famous or otherwise been ... Read More
Astronomy Precession of the earth’s axis(Continuation of the post "Path of the zenith of the sun") At the deepest night ... Read More
Astronomy Path of the zenith of the sunDue to the inclination of the earth's axis (if we "think away" the earth's ... Read More
