Astronomy 192

AJ Rukavina unit of measurement 2 1. When astronomers use the term stellar development they atomic number 18 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 constitution of stars, gas, and raunchy publication held to bumher by their mutual gravitational pull on fantastic another. 3. The Milky Way Galaxy is roughly 100,000 dismay years in diameter. 4. A inflammation-year is the distance a beam of light would travel in iodine 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 topical anaesthetic group of galaxies. Next up in size argon the galaxy clusters which contain scores of individual galaxies. 6. Dark involvement refers to strange substances that merchantmannot form stars or planets and is utterly invisible to the eye, dark energy is a much recent discovery to astronomers and scientists 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 innovation their ideas about the universe and its contents 2. No, a scheme can never be proven beyond some(prenominal) doubt. Scientists in the historic have shot down some(prenominal) theories that had been around for years sooner hand. 3. Gravity is the force that holds the cheer together, much like all other large mass. 4. An segment is composed of four master(prenominal) parts. The nucleus, electron, proton, and neutron. The atomic number is laid by the amount of protons in the atom. 5. The protons and electrons in an atom are attracted to each other belongings 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 origin al particle that interacts using the unwave! ring 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 existence be? The earth...If you want to get a full essay, post it on our website: OrderCustomPaper.com

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