Uranus is the seventh planet in the solar system. The evolution of the early Uranus was influenced by a cataclysmic collision with a gigantic object, twice the size of the earth. The object is believed to have been a young proto-planet that was composed of igneous rock and ice. The collision transpired approximately four billion years ago when the solar system was formed. The collision forced the planet Uranus to tilt on the side and led to a sharp decline in the temperatures (Kegerreis et al., 2018). The freezing temperatures in the planet Uranus are due to the cataclysmic collision. The resultant debris trapped the heat emanating from the planet’s core and caused the planet’s atmosphere to be extremely cold (Kegerreis et al., 2018). Unlike other planets in the solar system, the axis of the planet Uranus points at right angles, making the planet spin on its side. A collision between the planet Earth and any of the solar system planets is unlikely to take place because of the large space between the planets, which eliminates any chance of putting them on a collision path (NASA, 2020). Besides, in the unlikely event that planet Earth collided with another solar system planet or extra-solar system bodies, the impact would be imperceptible or only felt after a long time because of the absorbent effect of the liquid water on the earth’s outer surface. The planet Earth is unique because its outer surface is covered by water and air, which makes it able to support life. The vast oceans and seas on the planet Earth made it possible for life to evolve on it billions of years ago (NASA, 2020). Additionally, the planet Earth is the only planet with a single moon, and this enhances stability in the climatic conditions on earth. Lastly, the gaseous atmosphere protects the earth from incoming meteoroids, which disintegrate before hitting the surface of the earth. Future extraplanetary explorations could mostly be based on the structure of the planet earth, because of its uniqueness. In other words, the understanding of other planetary bodies in the future is likely to be achieved only through an earthly lens because of the relative advancement of geological science that is relevant to the planet earth.
References
Kegerreis, J. A., Teodoro, L. F., Eke, V. R., Massey, R. J., Catling, D. C., Fryer, C. L., . . . Zahnle, K. J. (2018). Consequences of giant impacts on early Uranus for rotation, internal structure, debris, and atmospheric erosion. The Astrophysical Journal, 861 (1), 52. DOI:10.3847/1538-4357/aac725
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NASA. (2020). In Depth/Earth. Retrieved October 27, 2020, from https://solarsystem.nasa.gov/planets/earth/in-depth/
