Airapetian, V. S. (2014). Rocking stories of the universe Effects of Impact Crat

Question

Airapetian, V. S. (2014). Rocking stories of the universe

Effects of Impact Cratering on Earth

1) How common are the impact cratering processes in the solar system?

2) Asteroid Impacts on Earth More Powerful Than Nuclear Bomb, address the following topics for this discussion:

a) Explain if such an impact can be more damaging than a nuclear bomb.

b) An asteroid of 1 kilometer will make a crater of about 10 km diameter. Identify how much kinetic energy the asteroid has if it strikes Earth's surface at 20 km/s.

c) Compare the energy of this impact to the energy released in the largest impact nuclear weapons (100 megatons of energy, 1 megaton = 4 x 1015 joules).

Mission to Mars

3)

The conditions that exist today on Mars are vastly different from those on other terrestrial planets. For example, despite its fiery red appearance, the surface temperature on Mars is, on average, a bone chilling negative 81 degrees Fahrenheit. However, Mars harbors some of the most magnificent and unique geological features found anywhere in the entire solar system.

Assume for a moment that you have been fortunate enough to be selected to brave the cold and participate in a manned mission to Mars. Which of Mar's magnificent geological features would you want to visit first? Describe your choice in detail.

Explanation / Answer

1. Craters are most common features on the solid surface planets due to impacts caused by meteoroids and other debris. These impact craters are common in solar system since our solar system comprises the debris along with the nine planets. Large debris in solar system hit the solid surface and leads to craters.

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