Quasars are distant objects that are powered by black holes and are massive in size. They are billion times bigger than our sun. Quasars are very bright and that makes our scientists more curious to learn about them. Space has lots of interesting things that has been discovered and also yet to discover. Space has billions of galaxies and a galaxy has billions of stars and stars have planetary system.
From early Greeks, to early Romans, to Arostotle, to Capernicus, to Galileo, to Edwin Hubble, they have all have asked themselves how the Universe starts, how the planets gets into the Universe, and how did human beings get here. In the last century, stronger telescopes and advanced supercomputer have led to more discoveries and knowledge of how the Universe came to be as it is today faster than before. Many astronomers accepted the fact that the Universe was formed about 14 billion years ago by a Big Bang, an explosion that also created protons, neutrons, and electrons. This report will describe the five theories and processes involved in the formation of the solar system. Planets are formed by the process of new layers on top of existing layers.
Introduction The Universe is a collection of millions of galaxies and extends beyond human imagination. After the big bang, the universe was found to be composed of radiation and subatomic particles. Information following big bang is arguable on how galaxies formed, that is whether small particles merged to form clusters and eventually galaxies or whether the universe systematized as immense clumps of matter that later fragmented into galaxies (Nasa World book, 2013). A galaxy is a massive area of empty space full of dust, gases (mainly 75% Hydrogen and 25%Helium), atoms, about 100-200 billion stars, interstellar clouds and planets, attracted to the center by gravitational force of attraction. Based on recent research, 170 billion galaxies have been estimated to exist, with only tens of thousands been discovered (Deutsch, 2011).
Some examples of these exoplanets are gas giants, pulsar planets, hot jupiter, and many more. Exoplanets are difficult to find, but there are different methods that can be used to find exoplanets. Some of these methods are the Doppler spectroscopy, Telescopes, and looking at parent stars. Exoplanets give us hope that there could be a planet in the Universe that is similar to Earth and is able to support life. Exoplanets are unique and there is still a lot that we do not know about them.
The first black hole was discovered in 1971 and John Wheeler, an American astronomer, coined the term black hole in 1967 (“Black Holes: Facts”). Black holes are formed out of pieces of a star that have exploded in a supernova explosion (“Black Holes – NASA”). They are also formed when two stars have a stellar collision to form bigger black holes (“Black Holes – NASA”). A star, about three times the size of the sun, cannot collapse due to the effects of gravity (“Black Holes – NASA”). When the star is collapsing it nears the event horizon where time slows down (“Black Holes – NASA”).
Evolution: Just More Proof of God The world around us changes. This simple fact is obvious everywhere we look. Streams wash dirt and stones from higher places to lower places. Untended gardens fill with weeds. - National Academy of Sciences Humans are inquisitive creatures.
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