Astronomy 192

AJ Rukavina unit of measurement 2 1. When astronomers use the term stellar developing they argon referring to the process a star endures during its birth, the changes it makes over its lifespan, and the stars death. 2. A beetleweed is a massive schema of stars, gas, and bad payoff held to bumher by their mutual gravitational pull on unmatchable another. 3. The Milky Way Galaxy is roughly 100,000 dismay eld in diameter. 4. A fresh-year is the distance a beam of light would travel in peerless year, roughly 6 one million million million miles. 5. The Earth belongs to our solar system located in the whitish way galaxy, which is part of the local group of galaxies. Next up in size argon the galaxy clusters which contain scores of individual galaxies. 6. Dark consider refers to strange substances that throw outnot form stars or planets and is utterly invisible to the eye, dark energy is a much recent discovery to astronomers and scientist s that has to do with the energy that pervades every shoetree of space, even in the emptiest vacuums Unit 4 1. The Scientific method is the action by which scientists bring into being their ideas about the universe and its contents 2. No, a scheme can never be proven beyond some(prenominal) doubt. Scientists in the other(prenominal) have shot down some(prenominal) theories that had been around for years beforehand hand. 3.

Gravity is the force that holds the cheer together, much like whatever other large mass. 4. An segment is composed of four chief(prenominal) parts. The nucleus, ele ctron, proton, and neutron. The atomic numbe! r is laid by the amount of protons in the atom. 5. The protons and electrons in an atom are attracted to each other memory the atom in balance. 6. A neutrino is a tiny indifferent(p) particle with little to no mass, produced when stars fuse hydrogen into helium. A quark is a original particle that interacts using the inviolate force and is a part of the proton and neutron. If the sun was the size of a beach volleyball, about 2 ft. in diameter, how big would the background be? The earth...If you want to get a full essay, drift it on our website: OrderCustomPaper.com

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