A10_Life in the Universe_1st (1).docx - Old Dominion...

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Old Dominion University Physics 103N Laboratory Manual, 1stEdition65Life in the UniverseExperiment A10Stephen Goytia, Ira Lind, LoganFulcherFriday 11AMNameLab SectionObjectivePart A – NanoCam: A Trip into BiodiversityPart B – The Drake EquationPart C – The Fermi ParadoxMaterialsNanoCamPlanetarium MovieComputer with Internet AccessTheoryThe abundance and characteristics of planets around other stars has long been a topic of great interest inastronomy. It has direct implications on our understanding of our own planet and solar system. It is also directlylinked with the broader philosophical question “are we alone in the universe?” If other stars commonly haveplanets, this would greatly increase the likelihood of us discovering life elsewhere in the universe.Planets around other stars proved very elusive to find. In 1995, astronomers had infrared observations ofprotosolar systems and had detected planets around pulsars. However, no planets around regular stars were knowndespite the considerable effort that had been exerted to find them. All that we knew about planets came fromthose in our own solar system.All of that changed beginning in 1995 when an extrasolar planet was discovered using the radial velocity technique.As of 2014 nearly 1800 extrasolar planets are known, with more being found at an increasing rate. Several largeprograms are still underway to find more extrasolar planets, including the Kepler space mission. Launched in 2009,Kepler is staring at over 100,000 stars, waiting for a planet to cross in front of one of them.ProcedurePart A: NanoCamNanoCamexplores the kingdoms of bacteria, protists and their stunning mechanisms of motility, the amazingstructure of fungi, the specializations of plants and the incredible complexity of the animal kingdom. All of theseare seen through an electron microscope and takes you through a breathtaking trip into the five kingdoms of livingthings.1.What kind of magnification can an electron microscope achieve?

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Term
Spring
Professor
DANNYW.CHARLES
Tags
Extraterrestrial life

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