Dark Matter Does Not Emit Energy Or Light Making?

The existence of black holes was first theorized by John Mitchell in 1783. Mitchell accepted Newton’s laws of gravity and suggested that light escaping from the surface of a star would have its speed reduced due to the gravitation pull of the star, and therefore if a star’s gravitation pull was strong enough even light would not be able to escape.[1] Using the approximate speed of light he reasoned that if an object was approximately 500 times the mass of the sun light would not be able

Dark matter and dark energy are two entities that have very little known about them, except that they make up about 95 percent of the universe. Even though this is a large part of the universe, it wasn’t even thought about until the 1960’s or the 1970’s. This is because of the fact that it is very hard to detect and almost impossible to see. Although it is impossible to see, we can see the effects of them both in our galaxy.

There is perhaps no current problem of greater importance to astrophysics and cosmology than that of "dark matter". The controversy, as the name implies, is centered on the notion that there may exist an enormous amount of matter in the Universe that cannot be detected from the light that it emits. The evidence of dark matter is from the motions of astronomical objects, specifically stellar, galactic, and galaxy cluster/supercluster observations.

With all our knowledge of everything around us, overwhelming as it may be, there are still a lot of aspects that are unknown to even the smartest scientists. Did you know that humans know only 5% of the entire universe? Yes, everything we know about the Earth, the Milky Way, and all the planets is barely even a fourth of what comprises the entirety of the universe. Knowing that, it would be illogical to say that the creatures on Earth are the only forms of life in the universe. Today I will tell you about unidentified object sightings, close

We live in a universe that is about 46 billion light years old. In a world, as massive as ours there must be some form of extraterrestrial life out in the galaxy. For thousands of years ancient peoples, such as the Greeks, have wondered the same question. Are we alone? As our technology advances, things such as videos and photographs are surfacing of people claiming to see such alien life. Whether it is an unidentified flying object, or if it’s from someone claiming to see an actual alien, there are thousands of people that believe they have seen proof. Some also claim that the government is hiding things behind our backs, like the Roswell UFO incident for example. Though many people refuse to believe in the existence of alien life forms until they see evidence, the fact that multitudes of people have eye-witness accounts, the improbability that we are alone, and the idea that we have thought of aliens so long, bring forth the evidence that proves something is out there.

Astronomers believe there is enough dark matter in the universe to slow its expansion gradually toward a stop.

On 1947 at Roswell, New Mexico unknown debris was found by a rancher named Mac Brazel. Brazel believed that the debris belonged to an Alien aircraft and many others believe the government know something of aliens. Though many think it is true there is lots of evidence showing that the debris and the possible sighting of the incident are false. There are many possibilities of what the debris is if it has nothing to do with aliens.

It was Shapley’s argument that some of the stars in the spiral nebulae had to be huge because of how bright they were and that they had to be very far away. He was correct in this argument; however Curtis was also correct that the same stars might be doing something different than what Shapley thought they were. Curtis suggested that these stars could be undergoing something new and different. Today we call the anomaly that the enormous stars were having a supernova. It had been known for a while that some stars go nova when they are dying, however these supernova were a different class by

we do know can’t but be a fraction of what is out there! There is just so much unknown

In 1920, two astronomers named Harlow Shapley and Heber Curtis had a big public debate. They argued about a lot of things, but the main thing they were arguing about was the size of the Milky Way and whether or not there were other galaxies like ours in the universe. Shapley had figured out that the Milky Way was a lot bigger than people thought before, and he was right, but because of that he also believed that there couldn't be other galaxies like ours out there. Curtis, on the other hand, thought the Milky Way was smaller than it actually is, but argued that there might be other galaxies like ours out there.

Basak, Tanushree, and Tanmoy Mondal. "Constraining Minimal U(1) B − L Model from Dark Matter Observations." (2013): n. pag. Cornell University Library. Web. 10 Nov. 2015.

She is most notable for providing a great deal of compelling evidence, alongside Dr. Kent Ford, that proved Fritz Zwicky’s Theory of the existence of Dark Matter.2 Zwicky stated that individual galaxies within the Coma Cluster were moving so fast that if they were only held by the gravity of its visible mass that it would escape. Since he found no evidence of the cluster falling apart he concluded that there must be something else holding it together that was nearly 10 times that of visible matter, he called this Dark matter.2 While working with Dr. Ford, they began analyzing the light coming from stars in spiral galaxies. They used what is called the “Doppler effect” which states the wavelength shift is proportional to the speed of the light source relative to the observer. This uses the wavelength of light in how it is approaching or moving away from the observer. When a light source moves away from you it presents a red color and when it comes toward you it presents a blue light. After measuring several stars in different parts

Dark Matter and Dark Energy are important. They can help us know how the universe began. These two are the mysteries of the universe; they compose about 90% of the universe. They are mysteries because we believe that they exist but we can’t see them or detect them. People question whether they manifest to be the same thing. Astronomers know very little about their constitution so they cannot assume they are related.

This observation means that it has taken every galaxy the same amount of time to move from a starting position to its current position. This observation is called "Hubble's Law," named after Edwin Hubble (1889-1953) who discovered this in 1929. Edwin Hubble’s evidence supports the expansion of the universe and suggests that the universe was once compacted. Third, if the universe was insanely hot as the Big Bang suggests, scientists should be able to find some of this heat left over. In 1965, Arno Penzias and Robert Wilson discovered a 2.725 degree Kelvin Cosmic Microwave Background radiation which infuses the observable universe. This is thought to be the remnant that scientists were looking for. Finally, the discovery of great amounts of Helium and Hydrogen lead to support the Big Bang Theory. (LaRocco)

A galaxy, also called a nebula, consists of billions of stars, interstellar gas, dust, and dark matter which are all bound to form a massive cloud in which we live in. Although it cannot be very well explained, dark matter makes up at least 90% of a galaxy’s mass.