Planets and moons in our solar system share many similar properties‚ but there are also many ways they are different. Some of the main differences come with the different geologic activity‚ composition‚ interior structure‚ magnetic field‚ and atmosphere that distinguish some planets and moons from others. The first way to separate the planets as far as their surfaces is breaking them into their two categories. The Jovian planets (Jupiter‚ Saturn‚ Uranus‚ Neptune) are primarily composed of gas and
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lot through the last years. Especially during the Cold War‚ when the United States and the Soviet Union were competing between themselves and invested a lot of money in that issue. Ever sinse‚ USA continued on with this project and sent ships into outer space to explore the endless universe thinking to bring up something interesting. In these recent 20-30 years space exploration has really affected the world. Billions of money is put into the space exploration business‚ races were made to get to the
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Inevitably‚ the human population remaining on this planet will eventually lead to our demise. Our population is growing exponentially and there will soon not be enough resources to keep us alive. Spreading to other planets‚ whether using its resources or living there‚ can help sustain our species longer. When our planet is out of resources‚ we can rely on another planet to keep our life going. We could also change the way we live on earth‚ because when scientists in exploring the space they keep
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For as long as I can remember I’ve heard many stories of life on other planets‚ people were determined to prove that there are aliens out there. Other forms of intelligence. There are many sightings of flying objects people believed were UFO’s. The argument of whether or not aliens actually do exist is controversial and has been a hot topic of discussion for many years. Many people have come up with their own conspiracy theories as to why there are extraterrestrial creatures out there and there have
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ability to learn. Over the centuries‚ scientists like Galileo and Newton described the structure of the solar system and the movement of the planets. Inventions such as the telescope permitted them to see the moon’s craters‚ the canals on Mars‚ Saturn’s rings‚ and other intriguing details. This knowledge increased their curiosity about the moon‚ sun‚ and planets‚ and they longed for more information. They even dreamed of expeditions across space to encounter them first-hand. In the early years of the
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future may also experience colonization of planets like Mars‚ where life is predicted to be possible. Already‚ satellites have been sent to orbit for possible life on such planets. If life is found to be possible‚ it is highly likely that humans will colonize there‚ making a new life on a new planet. Things like tourist trips and space hotels may also be possible after humans have colonized Mars. Inevitably‚ humans will continue to look for life in the outer-space. We will continue for sci-fi myths
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the edge of the stratosphere (Courtney‚ 1).This spacecraft is one of the reasons the Jet Propulsion Laboratory created the Voyager. In the mid 1960s‚ we figured out that all of the outer planets will align (Bell‚ Interview). The Jet Propulsion Lab (this is the lab that creates all of the rockets) knew that the planets aligning was good because it only happens about 175 years in 1980 for the year (Bell‚ Interview). They figured out that if we
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number of civilizations in our galaxy with which communication might be possible; * R* = the average rate of star formation per year in our galaxy * fp = the fraction of those stars that have planets * ne = the average number of planets that can potentially support life per star that has planets * fℓ = the fraction of the above that actually go on to develop life at some point * fi = the fraction of the above that actually go on to develop intelligent life * fc = the fraction
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Pangaea: The Ancient Supercontinent Throughout Earth’s history‚ fragments of continental crust have floated across the planet’s surface‚ pushed and pulled by plate tectonic motion. At times in the geologic past‚ these fragments (what we may now call continents) came together to form one large supercontinent‚ only to be broken apart once again by tectonic forces. The cycle of supercontinent construction and destruction took hundreds of millions of years. The most recently created supercontinent
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within in the body. Smaller numbers means that the mass is concentrated more and more at the center. Earth is not a uniform shape and most of its mass is concentrated at the center. Gravity can also be an indication of what molecules are held on a planet. The Earth has enough gravity that can hold oxygen‚ water‚ methane‚ ammonia‚ nitrogen and carbon dioxide. Earth can’t hold onto helium and hydrogen at Earth’s temperature they are moving too fast. Holding on
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