PPT-PHYS 3380 - Astronomy Homework Set #3

91117 Due 91817 1 The eccentricity of a comet is 0967 Its semimajor axis is 178 AU What is its distance from the Sun at perihelion Aphelion 2 An asteroid has a mean orbital radius of 412 AU What is its period. Halleys comet has an orbital period of 76 years It was last seen in 1986 and is due again in about 2061 Based on Keplers third law of planetary motion what is the semimajor axis of Halleys comets orbit in astronomical units AU The eccentricity of th MISCONCEPTIONS:. A mistaken thought, idea, or notion; a misunderstanding . The American Heritage® Dictionary of the English Language. The 5-step process of eliciting, identifying, confronting, resolving, and reinforcing mentioned in Dr. . Astronomy. Professor: Jon Holtzman. TAs: . Sten. . Hasselquist. , Laura . Mayorga. MWF 11:30-12:20. M02: M 3:. 30. -5:. 30. M03: . T. . 1. :. 30. -3:. 30. M04: . T. . 3. :. 30. -5:. 30. Plan for today. . Presented by:-. Mohit. . Shashwat. . Ankit. What is X-ray Astronomy?. X ray astronomy is an observational branch of . astronomy. which deals with the study of x ray observation and detection from astronomical objects.. 1 ASTRON 311 Introduction to Astronomy Prof. Menningen p. 1 / 3 Due: January 3 , 20 1 4 Name: ______ __ __ KEY _________________ 1. Why do the constellations that are visible in the sky at night c B-V color index way of quantifying this - determining spectral class - using two different filters. one a blue (B) filter that only lets a narrow range of colors or wavelengths through centered on the blue colors, . The second exam will be next . Wednesday, . November 9 at the regular class time. It is closed book but you may bring in one 8 1/2 X 11 inch “cheat sheet” with writing on both sides. It will cover everything I have covered in class up through . OUR PLACE IN SPACE. Earth is not special. We do not have any unique place in the Universe. We live on an ordinary rocky planet called Earth, one of nine known planets orbiting an average star called Sun. We are near the edge of a huge collection of stars called the Milky Way Galaxy, which is one galaxy among countless billions of other galaxies spread throughout the observable universe.. Path of the Sun between March 21 and March 22. If no axial tilt, motion of sun horizontal only - at noon every day, sun appears at highest point in the sky (culmination) only drifting slightly east against background of stars - represents Mean Sun that would travel on the celestial equator.. The . first exam will be one week from today . (10/2/17) at . the regular class time. It is closed book but you may bring in one 8 1/2 X 11 inch “cheat sheet” with writing on both sides. . I expect the exam to be done in pencil. You will need a calculator. It . objects outside the Earth (astronomical objects). Ancient Astronomy. “Ancient” means from . time long past, especially before the end of the Western Roman Empire in 476 A.D.. Many ancient peoples, including in ancient China and India, made detailed observations about the objects in the sky. Astronomy. , derived from the Greek words for . star law. , is the scientific study of all objects beyond our world. . Astronomy is not a “stand-alone” science. . It combines areas from a number of other fields, including mathematics, chemistry, geology, biology and physics. . 1. Ancient Astronomy. Many ancient cultures took a keen interest in the changing nighttime sky. The records and artifacts that have survived until the present make that abundantly clear. . 2. Ancient Astronomy. I just realized that I scheduled our next exam for November 3, election day. This could be the most important election in modern history and I want to make sure you have every opportunity to vote. So I am rescheduling the exam for November 5. VOTE!.