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Lecture Exam 1 Review
Lecture Exam 1 Review

... Credit for such a calculation will be awarded on your ability to set up the formula with the values substituted properly, carry through the calculation correctly, write your  in scientific notation and provide proper units. response Solar System Formation What is the composition of the gas and dus ...
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... How the Solar System Works Video Worksheet - Key 1. The planets, moons, asteroids, comets and what make up the Solar System? d. the Sun 2. What holds the Solar System together? a. Sun’s gravity 3. How old do cosmologists believe the Solar System is? b. 4.5 billion years 4. What force pulls an apple ...
Kepler`s Laws of Planetary Motion
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... orbits, and their motion around the sun. Kepler had always been convinced that there was some unifying order in the solar system. His laws not only gave an accurate description of what was, but explained why previous models had not been able to exactly describe the observed motions of the planets. 3 ...
AST 101 Lecture 15 Is Pluto a Planet?
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... Titius-Bode Law A mathematical relation published by J.E. Bode in 1772 a = (2n x 3 + 4) / 10 •  a is the semimajor axis of the orbit in AU •  n is an index: –  Mercury: -1 (set 2-1 = 0) –  Venus: 0 –  Earth: 1 –  Mars: 2 –  Jupiter: 4 –  Saturn: 5 ...
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01 - Ionia Public Schools
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... 1. The sun and all of the planets and other bodies that revolve around it make up the ______________________ 2. Celestial bodies that orbit the sun, such as Earth and Jupiter, are called ______________________ 3. In 1796, the French mathematician Pierre-Simon, marquis de Laplace, advanced the ______ ...
ES Lesson Plans
ES Lesson Plans

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Chapter 9 Notes
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... Why are there planets? Why so many different types of planets? How do planets evolve? We can use physics and chemistry to ...
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... b. The apparent center of the arcs is Polaris (north star) WHY? i. Since Polaris is located above the Earth’s axis of rotation, the stars and planets seem to rotate counterclockwise around Polaris at approximately 15o per hour. WHY 15o per hour? ii. The apparent daily motion of stars, moon, and pla ...
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AN INTRODUCTION TO ASTRONOMY Dr. Uri Griv Department of Physics, Ben-Gurion University

... Origin of the Moon: A Disk Instability or a Megaimpact? Peculiar Composition and Unconventional Dynamical Features of the Moon • The fraction of iron in the Moon is 10% • This is lower by a factor of 3 than the iron content of the Earth and Venus, lower by a factor of 2.5 than that of Mars • The lu ...
The Solar System
The Solar System

... Earth is the third planet from the Sun and it takes 365 days 5 hours 48 minutes and 46 seconds to complete the orbit. The Earth rotates on its axis once every 23 hours 56 minutes and 4.1 seconds. It has one natural satellite, the Moon, which is about 384,000 km away. Sometimes the Moon passes betwee ...
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... from Earth? Use the control to compare. Star A is moving away. Star B is moving towards 15. What does a spectra of a star tell an astronomer about a star? The composition of the star or the direction it’s moving. 16. Why does our Sun have a bright apparent magnitude but a dim absolute magnitude? Thi ...
The Inner Planets
The Inner Planets

... • Relative Distance from Sun (kilometers) • 108,000,000 km ...
Life in the Universe - Academic Computer Center
Life in the Universe - Academic Computer Center

... • Life is present on Earth nearly everywhere even under the most extreme conditions. • Life survives in boiling hot springs and in permanently frozen tundra. • Life can be found in the perpetual darkness and crushing pressures on the ocean floor. • Given these extremes, can life exist on other plane ...
ASTR 101 Deming EXAM II November 18 OFFICE HRS in CSS
ASTR 101 Deming EXAM II November 18 OFFICE HRS in CSS

... Stellar properties—how do astronomers determine motion, distance, brightness, luminosity, temperature, size, mass? (handouts) What did you do in labs 6, 7 and 8? What stellar properties were used/determined? How are studies of binary stars useful? How does the HR diagram help astronomers understand ...
Planets and Other Space Rocks Notes
Planets and Other Space Rocks Notes

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History of Solar System formation and evolution hypotheses



Ideas concerning the origin and fate of the world date from the earliest known writings; however, for almost all of that time, there was no attempt to link such theories to the existence of a ""Solar System"", simply because almost no one knew or believed that the Solar System, in the sense we now understand it, existed. The first step towards a theory of Solar System formation was the general acceptance of heliocentrism, the model which placed the Sun at the centre of the system and the Earth in orbit around it. This conception had been gestating for thousands of years, but was only widely accepted by the end of the 17th century. The first recorded use of the term ""Solar System"" dates from 1704.
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