Venus or Mars is a phrase used to refer to the two planets in our Solar System that are most similar to Earth. The first crossword solution, ORB, is a three-letter word meaning a spherical object in space, such as a PLANET. The second solution, DEITY, is a five-letter word referring to a god or goddess, which is often associated with Venus and Mars in mythology. The third solution, PLANET, is a six-letter word meaning a celestial body orbiting a star, which is what Venus and Mars are. Together, these solutions refer to the two planets Venus and Mars, which are both ORB-shaped celestial bodies orbiting the Sun and have been associated with deities in mythology.