The noun form for the adjective zealous is zealousness.   The word zealous is the adjective form of the noun zeal.   Related noun forms are zealot and zealotry. 1 person found this useful.
Gravity on Jupiter: Jupiter is the largest and most massive planet in the Solar System. Its mean radius, at 69,911 Â± 6 km, makes it 10.97 the times the size of Earth, while its mass (1.8986Ã1027 kg) is the equivalent of 317.8 Earths.
Even though Mars is considered the most Earth-like planet in the Solar System, conditions on mars are quite harsh compared to Earth. Any astronaut going to Mars would have to face several obstacles in order to stay long term on Mars. Mars. The most important aspect of what makes a planet is its atmosphere.