Helium

Ever wanted to know more about nebulae or galaxies? A nebula is a cloud of interstellar dust, stars, and gas (usually hydrogen and helium). A nebula is less dense than a vacuum and mass less than a few kilograms although it is usually the size of the earth or bigger. A galaxy is gravitationally pulled system of stars, stellar remnants, interstellar gas, dust and dark matter. Galaxies range in size in lightyears. Galaxies, they are what holds our solar system and many, many more. We may not be…

Discovered in 1898, the element neon has helped produce a staple of American cities and everyday night life: neon lights. Neon was first proved to exist by William Ramsay and Morris Travers of London, who decided to name the newly discovered element after the Greek word neos, or new. This finding was “vital in proving the existence of isotopes” (McCormick 1). The Periodic Table of Elements shows neon on the farthest right column, meaning it belongs to the noble gas family. As a part of the…

The Purpose of Mendeleev’s lab was to try to understand and identify the 9 unknown elements that were given. We had to relate it to Mendeleev’s lab of 1869, using his perspective and his methods. For example , he did things like laying out the elements from lightest to heaviest and by the colors. By studying its physical properties and observing the examples given we could identify the elements that were given. Using his methods really helped me understand his point of view, he used the…

There is a planet that has 90% hydrogen and 10% helium. This planet is Jupiter, also known as the gas planet. According to coolcosmos.com Jupiter is name after the Greek god Zeus and the location is between Saturn & the Asteroid belt. Italian scientist Galileo Galilei discovered Jupiter in 1601. The celestial objects surrounding Jupiter are Saturn, 67 moons, and the Asteroid belt, Although Not only Jupiter is a outer planet, but also near Mars. Italian scientist Galileo Galilei was the first…

Without carbon, our universe would be made of only hydrogen and helium and the absent items would range from rocks to trees to humans. Carbon is an important building block of the elements and is essential to almost all life. Not only is the element carbon important in its solid form, but carbon dioxide is a gas that…

When hydrogen is used up, helium begins to fuse to carbon and the larger element such as calcium and magnesium. Once the main hydrogen supply is used up the outer layers of the star begins to collapse inward toward the core. This process generates heat which temporarily counteracts…

to it as a massive nuclear reactor that burns numerous amounts of hydrogen; and just like an actual nuclear reactor, hydrogen is the essential fuel in nuclear fusion reactions. The hydrogen in these fusion reactions fuse together to form beryllium, helium, and lithium atoms. “The temperature on the surface of the Sun is approximately six thousand degrees Celsius. While at its core, it is about a million degrees Celsius” (Solarsystem.nasa.gov,2013). The Sun, just like all other stars in the…

The paradox Olbers Heinrich Wilhelm Olbers German astronomer by 1826 in formulated physical paradox that was previouslyJohannes Kepler (1610 in), and Halley and Cheseaux (the 18th century described) as well. The paradox is that if the universe is infinite, we'd have an infinite number of stars light of the result The combination of the sky at night it should be clear to all.However, experience to the contrary. [1] Assumptions [edit | edit source text] If 1. the universe is infinite, 2. an…

V. The Cat’s Eye Nebula One of the most famous nebulae is the Cat’s Eye Nebula (NGC-6543); it was discovered by William Herschel in 1786. NGC-6543 is located in the northern constellation of Draco; it appears as a blooming center with surrounding and expanding rings. The NGC-6543 has a historical importance because it was the first nebula to be studied spectroscopically by the astronomer William Huggins in 1864; this study revealed the distinctions between PNe and the other gaseous nebulae.…

Neptune is the most dense, even though it is the smallest out of the gas giants. Neptune was named after the Roman god of sea because it looked like a giant ocean, due to its blue appearance. Neptune is composed of many gases such as hydrogen (80%), helium (19%), and methane (1.5%). It is also overall composed of 25% rock and 60-70% ice. Neptune is 3.9 times bigger than earth. The mass of Neptune is 1.02 x 1026 kg, or 17.15 times as much as the mass of earth. The radius is 15,299 miles.…