As a child, we could not understand the magnificent miracle that takes place for a star to be born. Now we know stars initially form from clouds of dust and gas. The force of gravity makes the dust particles come spiraling in together. As they do, the gravitational energy converts into heat energy and the temperature rises. When the temperature gets high enough, hydrogen nuclei undergo nuclear fusion to form helium nuclei and give out massive amounts of heat and light.
Star-Shredding Black Holes In the article “Star-Shredding Black Holes” by Monica Young provide the information about how the Astrophysicist Suvi Gezari and other astronomers have gathered the most direct evidence yet of a supermassive black hole shredding a star that wandered too close and for the first time, a black hole has been caught in the act of tearing apart and swallowing a star that got too close. The author reports how dormant black holes turn into ravenous beasts when renegade starts waking them up from their slumber. According to Gezari, occasionally a star wanders too close, and that's when a feeding frenzy begins. The start is ripped apart by the gravitational forces. The friction heats the gases and causes them to glow from the stellar gas falling into the black hole over time.
This field is said to be active and frequently interrelating with the solar wind and channelling plasma into Mercury’s surface from the sun. The chemicals captured from the solar wind include Hydrogen and Helium, which help create Mercury’s extremely thin atmosphere. Scientists would argue that there is ‘no’ atmosphere on Mercury at all. The little amount of gas found on Mercury is trillions of times thinner than the gasses found on earth, and would not be able to be detected without exceptionally sensitive equipment. Although very thin, Mercury’s atmosphere is made up of trace amounts of gasses including 42% Oxygen, 29% Sodium, 22% Hydrogen, 6% Helium, and 0.5% Potassium.
The Geology of the Moon Approximately 4.5 billion years ago a large asteroid struck Earth and thus resulted in the Moon. This impact theory suggests that the collision ejected raw materials which in time became the Moon. With the Moon having no significant atmosphere, it can reserve a good record of the impact history. This information can provide geologists with clues to the history of the Earth. The crust of the Moon is composed of a variation of primary elements, including uranium, oxygen, thorium, potassium, silicon, magnesium, iron, titanium, calcium, aluminum and hydrogen.
Red shift occurs when light radiation moves away from an observer. The red shift is seen due to the expansion of the universe and distant light sources (millions of light years away) show red shift corresponding to the rate of increase in their distance from earth. If the universe was very, very hot, as scientists seem to think it was, there must be some remnants of heat left over from the beginning of the universe. In 1965, radio astronomers Arno Panzias and Robert Wilson discovered a 2.725 degree Kelvin Cosmic
They changed because the molecules of hydrogen and helium were moving so fast that they eventually escaped the Earth. 14. Explain how the greenhouse effect works and how it relates to global warming. The greenhouse effect is when radiation at visible wavelengths passes freely through the atmosphere and is absorbed at the ground. The ground heats up and emits infrared radiation.
There are also four outer objects which are use to serve as the gas giants. Each of outer planets such as Jupiter, Saturn, Uranus, and Neptune were encircled by planetary rings of dust and other particles. Lastly, the farthest of all is that the gray in color sphere which is said to be the Pluto. Let’s observe and look all around us! Looks like a real solar system.
Introduction: A sphere that is of gas and held together by its own gravitational force is known as its most common name, star. Stars are always continually trying to collapse by the force of gravity, this is contracted by the pressure of hot gas/ or radiation in the stars interior. This is called Hydrostatic support. Another thing about stars would be they sometimes come in groups known as clusters. (Dr. Barbara Mattson, 28-Dec-2010) A star cluster or star clouds are groups of stars.
Phobos will eventually crash into Mars or break up and form a ring around the planet. Deimos (which means fear) was named after the Greek God Deimos who was the twin brother of Phobos. Deimos is the outer moon so it is further away from Mars and takes about 30 hours to orbit. It is small and lumpy and has lots of craters and is covered in dust and loose rocks. Although it has many craters it’s surface is much smoother than Phobos’ Deimos has an average radius of 6.2
BETA PARTICLES Beta rays are much lighter energy particles. The beta particle is an energetic electron given off by the nucleus of unstable isotopes to restore an energy balance. They leave the nucleus at a speed of 270,000 kilometers per second. They can be stopped, for instance, by an aluminum sheet a few millimeters thick or by 3 meters of air. The RS-500 can detect most energetic beta particles through the case.