Classical planet Classical planet In classical antiquity, the seven classical planets were the seven non-fixed astronomical objects in the sky visible to the naked eye: Mars, Jupiter, Venus, Saturn, Mercury, the Sun, and the Moon. The word "planet" comes from two related Greek words, πλάνης "planēs" (whence πλάνητες ἀστέρες "planētes asteres" "wandering stars, planets") and πλανήτης "planētēs", both with the original meaning of "wanderer", expressing the fact that these objects move across the celestial sphere relative to the fixed stars. The term "planet" in modern terminology is only applied to natural satellites directly orbiting the Sun, so that of the seven classical
The Man from Planet X 11:00pm to rescue them. He sneaks up to the alien ship and learns from Mears that the spaceman intends to use its ship as a wireless relay station in advance of an invasion coming from the approaching planet, which we also learn is a dying world. Lawrence orders the enthralled villagers to leave and attacks the alien, shutting off its breathing apparatus, then escapes with Enid and the professor. Mears, however, returns to the spaceship and is killed when the military opens fire and destroys it, shortly before the planet is nearest Earth. No invasion happens and the mysterious Planet