Energy Star

degenerate dwarf. White dwarf stars are very dense, its mass is compared to the sun while it’s volume is compared to the Earth. White dwarfs are one of the densest objects of matter. White dwarfs are unable to create internal pressure. Because they are unable to create the internal pressure gravity has to compact the matter towards the middle until the electrons are smashed together to form the white dwarf. Electrons that are similar can not occupy the same energy level. Because the density is

The Sun Introduction: The sun is the main star in the solar system and is the most important source for energy for earth to have life. The suns diameter is 109 times earth and it is has a mass 330,000. 3 quarters of the suns mass is hydrogen, the rest is mostly made up of helium, with much smaller quantities of heavier elements, including oxygen, carbon, neon and iron. The sun is a G-type main-sequence star and it is referred to as a yellow dwarf. It formed approximately 4.567 billion years ago from

How are the heavier naturally-occurring elements in the Periodic Table formed? Light elements are formed through the process of fusion of nuclei in stars and provides the energy to counter the gravitational attraction through outward pressure. Hydrogen is the first of the elements that will fuse either via the proton-proton chain reaction, in which hydrogen fuses to form helium or the CNO cycle where carbon, oxygen and nitrogen act as catalysts in the fusion of hydrogen. Since these 3 elements are

waves in outer space 3.What are the challenges of looking for Dyson spheres? One of the challenges are that Dyson spheres emit radiation just like the Earth's atmosphere so to find a Dyson sphere you would have to use infrared but even then dead stars also give off the same radiation as the Dyson Spheres 4.Astronomers

using many of the star's energy so it can evolve.Black holes you can rarely find them in space they are, so common in space that they are hard to find and since space is really dark than black holes are going to be even harder to find. The way black holes form is by them beginning of as a star and then using all the other stars energy to start evolving and growing bigger. And the cycle is pretty complicated because it will take days to gather enough energy from all the other stars it may even take years

The universe contains many galaxies and the galaxies have millions and billions of stars, here are 10 well known stars from the universe. First one is a stellar nebula , a stellar nebula is is a cloud of superheated gases and other elements formed by the explosive death of a massive star. A stellar nebula is not only massive clouds of dust , it’s also the place where stars are born. A nebula is latin for “fog”. A stellar nebula is also really big,it’s a huge interstellar cloud of dust and hydrogen

Stars are very unique when they are born, aging, and dying. Stellar evolution is a description of how stars are born, how they age, and how they eventually die. Stars live for so long that in a person’s lifetime they will probably not see of or hear of any changes to our star. A change in a star's mass is the easiest way to tell it’s aging. Stars are born in a very complicated way. First the gravitational collapse of a cool, dense molecular cloud sends fragments into space. The fragments then

15. Dark Matter and Dark Energy (1500 to 2000 not including references) Explain both concepts and the differences between them. Describe the observations that led to the hypothesis that dark matter is an important component of the Universe. Describe the suggested constituents of the dark matter. There have been many attempts to understand the world we live in, ranging from studies of objects as small in size as DNA to the study of massive objects as galaxy clusters and even the whole universe.

when a star is dying. Some scientists speculate that there can be black holes just 1 centimeter large. There are multiple types of

elements came from the Earth, but how did these elements end up on Earth? First, we have to look at the star cycle. Around 14 billion years ago, a giant nebula concentrated into a single tiny point, then proceeded to enlarge rapidly in a hot explosion and continues to expand. This explosion is said to have created the Universe, and is called the “big bang”. This same process happens when a star is being created. A large cloud of dust and gas, called a