The Hollow Moon theory is a hypothesis proposing that Earth's Moon is either wholly hollow or otherwise contains a substantial interior space. No scientific evidence exists to support the idea.
The concept is related to or derived from the better-known Hollow Earth theory, and was an infrequent but recurring plot device in pre-spaceflight science fiction.
Read more about Hollow Moon: Two Versions, Scientific Perspective, In Literature
Famous quotes containing the words hollow and/or moon:
“I often look upon a face
Most ugly, grisly, bare and thin;
I often view the hollow place,
Where eyes and nose had sometimes been;”
—Robert Southwell (1561?–1595)
“Romeo. Lady, by yonder blessed moon I vow,
That tips with silver all these fruit tree tops—
Juliet. O, swear not by the moon, th’ inconstant moon,
That monthly changes in her circled orb,
Lest that thy love prove likewise variable.”
—William Shakespeare (1564–1616)