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Plotting the Moon - Altitude and Azimuth
Plotting the Moon - Altitude and Azimuth

... look like? (You may use graphing calculators or printed regular rectangular graph paper). (Advanced: use the fitting function of your graphing calculator to fit the data to a quadratic curve. What do you get? Would you get the same fit for October Moons as you would for January Moons? Try it!) We ca ...
MidTermReview - Milan Area Schools
MidTermReview - Milan Area Schools

... 29. Give an example of Newton’s 1st Law 30. Give an example of Newton’s 2nd Law 31. give an example of Newton’s 3rd Law 32. What is the weight of a 10 kg dog? A 75 kg table? 33. What is the normal force on the 10 kg dog? The 75 kg Table? 34. What is the mass of a 780 N horse? A 1960 N car? 35. What ...
The Celestial Sphere
The Celestial Sphere

... making circles around the other car, but when seen from above, both of you are driving forward all the time and your path will be convex. Another approach is to compute the gravitational forces involved. It can be shown that the Sun's pull on the Moon is about twice the Earth's pull on the Moon. It ...
Document
Document

... What is the Purpose of a Telescope? 1. Increase the amount of light we see. Sensitivity is proportional to Collecting Area. S = constant times D2 If D increases, then S increases by D2 ...
5a: So, what was wrong with Ptolemy`s model to a contemporary
5a: So, what was wrong with Ptolemy`s model to a contemporary

... Details remained in both models. These result because the actual planetary orbits are elliptical and not circular. Ptolemy dealt with this using uniform motion about the equant point for an eccentric (displaced) deferent circle, and Copernicus dealt with it by introducing a small epicycle for each ...
Ellipses, Parallax, and Retrograde Motion
Ellipses, Parallax, and Retrograde Motion

... 19. T or F The closer a planet is to the Sun, the faster it moves in its orbit. 20. T or F The more distant a planet, the longer it will appear in retrograde motion. 21. T or F All celestial objects will appear to move Eastward over a year’s time. 22. T or F During retrograde motion, an object appea ...
ASTR1010 – Lecture 2 - University of Colorado Boulder
ASTR1010 – Lecture 2 - University of Colorado Boulder

... syllabus! Reading happens before topics are presented in class •  Read TCP1 for Thurs; skim TCP2 •  Sample Ch1 reading quiz questions: –  About how old is the universe? –  What is the ecliptic plane? –  Which is larger, 1 AU or 1 light-year? –  What’s the expected workload, according to the syllabus ...
Unit Lesson Plan – Atomic Structure
Unit Lesson Plan – Atomic Structure

... 24. 6.49 In recent years, scientists have discovered hundreds of planets orbiting other stars. Some of these planets are in orbits that are similar to that of earth, which orbits the sun(Msun = 1.99 × 1030 kg) at a distance of1.50 × 1011 m, called 1 astronomical unit (1 au).Others have extreme orbi ...
May 2017 - What`s Out Tonight?
May 2017 - What`s Out Tonight?

... An Open Cluster is a group of several to hundreds of stars The planets are best observed with a telescope using magnifithat were born out of the same nebula cloud. A group often forms cations from 50x to 200x. The five naked-eye planets are Mera pretty pattern. The Pleiades and Praesepe are great ex ...
Escape Velocity and Newton`s Laws
Escape Velocity and Newton`s Laws

... (then adding his own), Newton deduced three laws of motion which: – describe any moving object (from automobiles to galaxies colliding). – were the underpinnings for Newton’s understanding of gravity. • Published in “Mathematical Principles of Natural Philosophy” – 1687. ...
celestial sphere.
celestial sphere.

... Today the Sun is “in” Sagittarius, next month in Capricornus, etc. Sun’s path on the celestial sphere = ecliptic ...
Student Text, pp. 139-144
Student Text, pp. 139-144

... gravitational attraction between two small spheres that hung on a rod approximately 2 m long and two larger spheres mounted independently. Using this equipment, he derived a value of G that is fairly close to today’s accepted value of 6.67  1011 Nm2/kg2. His experiment showed that gravitational f ...
Lecture 5 PHYSICS 201 PHYSICS 201 (sections 521-525) ( )
Lecture 5 PHYSICS 201 PHYSICS 201 (sections 521-525) ( )

... Newton’ss First Law Newton “A body acted on by a zero net force moves with constant velocity (which may be zero) zero), i.e. it moves with zero acceleration” ...
Outline of Lecture on Copernican Revolution: 5b: So, what was
Outline of Lecture on Copernican Revolution: 5b: So, what was

... orbits are elliptical and not circular. Ptolemy dealt with this using uniform motion about the equant point for an eccentric (displaced) deferent circle, and Copernicus dealt with it by introducing a small epicycle for each planet. As a result, the 2 models were equally inaccurate (since both were w ...
Chapter 7 Study Guide
Chapter 7 Study Guide

... 2. How are angular speed and tangential speed related ? (See appendix J, page 902 of H2009) 3. A. Explain how an object moving at a constant speed can have a nonzero acceleration. B. Explain how to subtract two velocity vectors going in different (but not opposite) directions. Use the terminology: a ...
Big idea # 5 * Earth in space in time
Big idea # 5 * Earth in space in time

... SC.8.E.5.2 Recognize that the universe contains many billions of galaxies and that each galaxy contains many billions of stars. SC.8.E.5.3 Distinguish the hierarchical relationships between planets and other astronomical bodies relative to solar system, galaxy, and universe, including distance, size ...
Tides on Earth
Tides on Earth

... Callisto - that were discovered by by Galileo in 1610.  In addition to the four large moons discovered by Galileo, scientists have observed dozens of smaller moons around Jupiter. ...
Cosmic Distance Ladder Terrence Tao (UCLA)
Cosmic Distance Ladder Terrence Tao (UCLA)

... ωEarth – ωMars = 1/780 days ωEarth = 1/year ...
1-Syllabus-Intro
1-Syllabus-Intro

... All makeups are given on study day, May 11. Time and place to be determined. Exam scores will be posted by your course and ID# on the web. If you feel there’s a mistake on the multiple-choice part of an exam, please see the secretary in the astronomy department office, 356 Physics. Questions about e ...
The Ancient Mystery of the Planets
The Ancient Mystery of the Planets

... (Earth could not be moving because objects in air would be left behind): Galileo’s experiments showed that objects in air would stay with a moving Earth. • Aristotle thought that all objects naturally come to rest. • Galileo showed that objects will stay in motion unless a force acts to slow them do ...
6._Motions_in_Solar_System_student
6._Motions_in_Solar_System_student

... (Earth could not be moving because objects in air would be left behind): Galileo’s experiments showed that objects in air would stay with a moving Earth. • Aristotle thought that all objects naturally come to rest. • Galileo showed that objects will stay in motion unless a force acts to slow them do ...
Astronomy
Astronomy

... (b) Describe the similarities and differences of several types of astronomical telescopes. (c) Explain the purposes of at least three instruments used with astronomical telescopes. (d) Describe the proper care and storage of telescopes and binoculars both at home and in the ...
Chapter 19
Chapter 19

... ● A planet’s distance from the sun determines how long the planet take to orbit the sun. ● Pluto, the most distant planet, takes 248 years or 90,000 days to orbit the sun. Pluto is actually closer to the sun than Neptune is, but it’s average distance from the sun is farther. ● Satellite- a natural o ...
Feb 2017 - What`s Out Tonight?
Feb 2017 - What`s Out Tonight?

... An Open Cluster is a group of several to hundreds of stars The planets are best observed with a telescope using magnifithat were born out of the same nebula cloud. A group often forms cations from 50x to 200x. The five naked-eye planets are Mera pretty pattern. The Pleiades and Praesepe are great ex ...
Mission 1 - NC State University
Mission 1 - NC State University

... There are over 100 billion stars in our Galaxy, but on an average dark night we can only see about 1000 to 1500 of them! Stars produce light and heat by changing hydrogen into helium, just like the Sun (remember, the Sun is a star, too!). Constellations are patterns of stars in the sky that have nam ...
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Lunar theory

Lunar theory attempts to account for the motions of the Moon. There are many irregularities (or perturbations) in the Moon's motion, and many attempts have been made to account for them. After centuries of being problematic, lunar motion is now modeled to a very high degree of accuracy (see section Modern developments).Lunar theory includes: the background of general theory; including mathematical techniques used to analyze the Moon's motion and to generate formulae and algorithms for predicting its movements; and also quantitative formulae, algorithms, and geometrical diagrams that may be used to compute the Moon's position for a given time; often by the help of tables based on the algorithms.Lunar theory has a history of over 2000 years of investigation. Its more modern developments have been used over the last three centuries for fundamental scientific and technological purposes, and are still being used in that way.
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