Mars and seasonal cycles of Mars are likewise similar to those of Earth, as is the tilt that produces the seasons. Mars is the site of Olympus Mons, the largest volcano and second-highest known mountain in the Solar System, and of Valles Marineris, one of the largest canyons in the Solar System. The smooth Borealis basin in the northern hemisphere covers 40% of the planet and may be a giant impact feature. Mars has two moons, Phobos and Deimos, which are small and irregularly shaped. These may be captured asteroids, similar to 5261 Eureka, a Mars trojan. There are ongoing investigations
Crash of the Moons Crash of the Moons Crash of the Moons is a 75-minute 1954 American science fiction film, consisting of three consecutive episodes of the television series "Rocky Jones, Space Ranger", which constituted a complete story. It was released only on 16mm for home movie rental and television syndication. It was directed by Hollingsworth Morse. This film is currently in the Public Domain. Rocky Jones attempts to save the inhabitants of Ophiuchus (pronounced "officious" in the film), a planet about to collide with a moon. However, Cleolanta - the empress of the planet - is suspicious. While Rocky and his crew succeed