Mass: 1.99 x 10 Diameter : 1 392 000 km Temperature of the surface : 5200 i Ê Time of rotation : 25h (poles) 34h ( equator) The sun shines and warms our planet, without it life on Earth would be impossible not just for human , but for microorganisms as well. The sun is the main (though...

Near-Earth Objects are comets and asteroids that have been pushed by the gravitational attraction of nearby planets into orbits that allow them to enter the Earth's neighborhood. They are about 4.5 billion years and can range in size from pebbles or lumps of ice, to rocky or icy worlds nearly 1,000...

Geology (AS Level) The Internal Structure of the Earth Geologists have looked at many different ways of trying to understand the internal structure of our earth, but each piece of evidence on their own is questionable. It is when geologists take all the evidence they have uncovered and put it ...

The literal translation of the word atmosphere is "sphere of vapors." The Earth's atmosphere is a protective sphere of vapors or air that surrounds the Earth and provides it with a layer of insulation from the harmful rays of the sun. It is a vital part of the Earth and has changed dramatically s...

Earth-Like Planet Discovered 50 Light Years Away European astronomers have discovered a planet less than 50 light years away. This planet has come to be known as a sort of super Earth. It takes only ten Earth days to orbit its sun (much like our own) and the surface of the planet is scorc...

In the novel " The Naked Sun " by Isaac Asimov, the main character in the novel is a New York police officer, Elijah Baley, who is sent to another planet called Solaria to solve a murder mystery. He is a young police officer who choosen by government of Solaria because of his e...

One Man's Struggle to the Top The Good Earth, by Pearl S. Buck, is a novel in which the main character, Wang Lung, encounters numerous challenges and struggles. These challenges and how he resolves them affect his life in profound ways. As Wang Lungs story unfolds amidst the great revolution ...

Comparative Response: Sun-Tzu and Dalai-Lama In the two passages assigned to me I read how Sun-Tzu focuses how to attack the weak and Dalai-Lama's points of views on compassion. These completely contrasting points of views can be similar in certain ways. If you think about, Sun-Tzu and ...

The crust is the outermost layer of Earth, it covers the entire planet. The crust floats on top of the molten mantle. There are two types of crust, the continental crust and the oceanic crust. The oceanic crust is part of the Earth's crust that covers the ocean basins. Its made up of dark-color...

Art plays a very important role in our society. Most individuals enjoy art of some form, whether it is a painting, an opera, or a carefully crafted statue. Reactions to art also vary from person to person. People may argue over whether a piece of art is inherently good or bad, beautiful or ugly. ...

The Good Earth In the novel, The Good Earth, many themes emerge. One of the most significant themes is relationship: 1.) the relationship between Wang Lung and his land, 2.) between Wang Lung sand the women in his life, and 3.) between rich and poor. The land is the source of Wang Lungs life....

Earth Forgotten Poetry has always been a powerful way of communicating society's feelings, concerns, and discomforts without directly stating their inspiration. A good example of such poetry is William Wordsworth's "The world is too much with us". This poem expresses concern a...

One of the most amazing sites to see are the Polar Auroras which occur between the Sun and the Earth’s magnetic fields. Before scientific studies began which wasn‘t until the mid-1800s, people watched the auroras but worried about the danger that they may possess. While learning abo...

Space Rock . Eros Eros is an asteroid but can be called a minor planet. It orbits the sun that sometimes causes it to closely pass as 14,000,000 miles next to Earth. Scientists believe that Eros comes this close to Earth every 31 years. The last time Eros came close to Earth was back in 19...

For many years NASA has been dedicated to developing knowledge with the red planet, Mars. Many missions have been conducted by NASA to learn about Mars. Some aims of these missions have been carried out to learn about whether water exists on this planet, or whether life can survive under its harsh c...

THE BEGINNING OF ASTRONOMY Early races believed that the earth was flat and stationary, with the sky rotating round it once a day. The early races also believed things that sound weird to us today like the Vedic priests of India believed that the earth was supported upon 12 massive pillars and duri...

THE BEGINNING OF ASTRONOMY Early races believed that the earth was flat and stationary, with the sky rotating round it once a day. The early races also believed things that sound weird to us today like the Vedic priests of India believed that the earth was supported upon 12 massive pillars and duri...

Towards the end of our solar system lies the smallest of all the nine planets, Pluto. In 1905, Percival Lowell, an American astronomer, found the force of gravity of some unknown planet to be affecting the orbits of Neptune and Uranus. In 1915, he predicted the location of a new planet, and began se...

Synchronous Orbits of Communication Satellites The orbits of communication satellites vary for the type of satellite it is. The type of satellite it is depends on the work it is designed for. For example spy satellites (and most of the LEO satellites) need to be close to earth to take clearer pi...

In the late 1400's to the mid 1500's, people believed that the earth was the center of the universe. Ptolemy stated that the Earth was stationary and that the sun, moon, planets, and stars revolved around imaginary points, which in turn revolved around the Earth. Copernicus knew that natu...

Aristarchus was not just a man of astronomy. He was also actively involved in mathematics as well as astronomy. He used his knowledge in both fields to discover great advances in the astronomy world like the fact that the earth rotates on its own axis and that the sun is in a fixed position and...

Geography- Data Analysis 1) The greatest temperature ranges are between Timbuktu and Cape Town Timbuktu has the highest temperature and Cape town has the lowest. Timbuktu's highest temperature is in Mat and Cape towns lowest temperature is in June. This is because at this time of year the sun...

In certain polar regions of the earth, a rare and fascinating phenomenon occurs in the dark season of winter. This phenomenon is called the Northern Lights, or auroras. In areas where auroras can be seen, the sun shines brightly for six months and then disappears for the next six. The sun fol...

Galileo Galilei was born in Pisa, Tuscany in 1564 and was the son of Florentine musician Vincenzo Galilei. Galileo was a very intelligent boy and at age 17, due to his fathers influence, he went to the University of Pisa. He was enrolled as a medical student but later turned to math after...

Throughout the history of astronomical theory, there have been two main theories on the setup and placement of the heavenly bodies within our observed universe. The two theories are the geocentric model, our earliest theory, wherein the earth is at the center of everything, and everything rotates ar...