Astronomy 192

AJ Rukavina social unit 2 1. When astronomers use the term stellar growth 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 agreement of stars, gas, and depressed emergence held to bumher by their mutual gravitational pull on odd another. 3. The Milky Way Galaxy is roughly 100,000 dismay eld in diameter. 4. A get away-year is the distance a beam of light would travel in bingle 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 anaesthetic group of galaxies. Next up in size argon the galaxy clusters which contain scores of individual galaxies. 6. Dark content refers to strange substances that deposenot form stars or planets and is utterly invisible to the eye, dark energy is a much recent discovery to astronomers and scientis ts 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 make water their ideas about the universe and its contents 2. No, a scheme can never be proven beyond some(prenominal) doubt. Scientists in the historical have shot down some(prenominal) theories that had been around for years before hand. 3.

Gravity is the force that holds the cheer together, much like both other large mass. 4. An segment is composed of four main(prenominal) parts. The nucleus, electron, proton, and ne utron. The atomic number is laid by the amo! unt of protons in the atom. 5. The protons and electrons in an atom are attracted to each other holding the atom in balance. 6. A neutrino is a tiny nonsubjective particle with little to no mass, produced when stars fuse hydrogen into helium. A quark is a original particle that interacts using the upstanding 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 earth be? The earth...If you want to get a full essay, identify it on our website: OrderCustomPaper.com

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