Physics Of The Moon And Mercury - 1525 Words

Nadia Szijjarto 101019833 PHYS 1901 Tuesday November 17, 2015 Professor Maybury Assignment 2 1. At first glance, the Moon and Mercury have similar surface features yet on closer inspection we find that significant differences exist. Compare and contrast the surfaces of the two bodies and outline their respective geological histories. The geology of the moon and mercury are very similar due to certain key aspects, but there are also a few qualities that differentiate the two bodies. The Moon has a radius of 1738km in comparison with Mercury, the smallest of the major planets with a radii of 2440km. The average density of the Moon is 3.37 g/cm3 that is consistent with basaltic silicates. Like Earth the Moon has a layered system, consisting of a crust, mantle, and core. From the radius and the mass Mercury has a mean density of 5.4 g/cm3 which implies a dense iron (Fe) core. Just as the Moon consists of an iron core with a softer molten liquid iron outer core. The outer core is believed to extend out as far as 500km. The Moons core only holds 2% of its mass. Since Mercury is low in mass there is less heat stored from formation its core is probably sold rather than liquid. The lunar surface of the Moon is grey and tan, with a low albedo. Albedo is the reflective properties of planets, satellites, and asteroids. Mercu ry also has a low albedo, which signifies that theShow MoreRelated the study of aerodynamics and gravity Essay1515 Words   |  7 Pages My topic for the science fair is â€Å" Which falling objects fall the fastest? â€Å". Many factors affect the speed of aerodynamics such as the different forces on the object. The aerodynamics of the object and the physics surrounding the object. Great scientists have studied falling objects such as Galileo Galilei and Sir Isaac Newton. I will discuss their lives, experiments and scientific findings. Aerodynamics is the study of force on an object. It has been called the science of flight. 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