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1. Collision Between Galaxies

 
   Apparently each other galaxies can "eat" each other. Even more surprising is the Andromeda galaxy is moving closer to our Milky Way galaxy. The picture above is a simulation of Andromeda and our galaxy collisions, which will occur in about 3 billion years.




2. Dark Matter (Dark Matter)

 
   Scientists think that dark matter (dark matter) is the largest constituent of the universe, but can not be seen and detected directly by current technology. Candidates varied from heavy neutrino to invisible black holes. If dark matter really exists, we still must require a better knowledge of gravity to explain this phenomenon.




3. Extrasolar planets (Explained)

 
   Until the early 1990s, we only know the planets in our solar alone. However, today astronomers have identified more than 200 extrasolar planets outside our solar system. Search the Earth both seem to have succeeded until now. Astronomers generally believe that better technology is needed to find some of the world as on earth.


4. Quasar
 
   Quasar glow at the edge of the universe that we can see. Quasars release energy equivalent to hundreds of galaxies combined energy. It may be that quasars are a very big black hole in the hearts of distant galaxies. This image is the quasar 3C 273, which was photographed in 1979.



5. Gravity Waves (Gravity Waves)

 
   Gravitational waves are distortions fabric of space-time predicted by Albert Einstein's theory of general relativity. Wave propagates at the speed of light, but weak enough so that the scientists hope to detect them only through a colossal cosmic events, such as the merging of two black holes like in the picture above. LIGO and LISA are two detectors designed to observe these elusive waves.



6. Mini Black Hole

 
   If the theory of gravity "braneworld" radically new and proven correct, then the thousands of mini black holes scattered in our solar system, each about the size of the atomic nucleus. Unlike black holes in general, these mini black holes are the remnants of the Big Bang and affect space and time in different ways.


7. Neutrino
 
   Neutrinos are elementary particles are massless and uncharged
which can penetrate the metal surface. Some of the neutrino is penetrating your body while reading this paper. Particles "phantom" was produced in the core of the star and a supernova explosion. Detector placed beneath the surface of the earth, below sea level, or into a large chunk of ice as part of Ice Cube, a special project to detect the presence of neutrinos.


8. Cosmic Background Radiation
 
   Radiation is also called the Cosmic Microwave Background (CMB), which is the remnant radiation that occurs when the Big Bang birth of the universe. First detected in the decade of 1960 as a radio noise that appear scattered throughout the universe. CBM is considered as the most important evidence of the truth of the Big Bang theory. Accurate measurements by the WMAP project showed that the CMB temperature is -455 degrees Fahrenheit (-270 Celsius).


9. Antimatter
 
   As the evil Superman, Bizarro, the particle (normal matter) also have opposite versions of themselves called antimatter. For example, an electron has a , but the antimatter positrons have a positive charge. Matter and antimatter annihilate each other when they collide and their mass is converted into energy via Einstein's equation E = mc2. Some futuristic spacecraft designs incorporate anti-matter machine.


5. Vacuum Energy
 
 

10. Vacuum Energy
   Quantum physics tells us that contrary to appearances, empty space is a bubble made ​​of subatomic particles "virtual" who are constantly created and destroyed. The particles that occupy each cubic centimeter of space with a certain energy, based on the theory of general relativity, produces anti-gravity force that makes more space to expand. Until now no one really knows the cause of the expansion of the universe.


Source: Space.com

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