Planets orbiting sun
THE EQUATIONS OF PLANETARY MOTION AND THEIR …
Saturn. The other three planets, Uranus, Neptune, and Pluto were discovered much later after the invention of the telescope. FIGURE 2.1 Apparent trajectories of a planet, and of a star According to the Copernican heliocentric model, these planets, including the Earth, revolve around the sun in …
[PDF File]Mathematics of Motion III The Motion of Planets
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why the planets move as they do. (laws of motion, universal gravity, calculus) Table of variables R radius for a circular orbit a semimajor axis of an ellipse T period of revolution m mass of a planet or satellite M mass of the sun G Newton’s gravitational constant The period of revolution This calculation is for the case of a circular orbit:
[PDF File]Our Solar System
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Q: What’s the difference between planets, satellites, asteroids, and comets? 1. Satellites orbit around planets, planets orbit the Sun. 2. Asteroids and comets also orbit the Sun, but they are not large enough to become planets. 3. Asteroids locate in the asteroid belt between Mars and Jupiter. Comets are in Kuiper belt beyond Neptune. 4.
[PDF File]PLATO: An ESA mission to search for habitable exoplanets ...
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objective is the study of down to Earth-size planets orbiting up to the habitable-zone of Sun-like stars. PLATO will be complementary to TESS, which focuses primarily on shorter period planets and therefore explores the habitable zone of late type dwarf stars.
[PDF File]What the Doppler Effect Tells Us About Distant Stars & Planets
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demonstrated planets orbiting Sun-like stars. OBJECTIVE: Experience the Doppler Effect for sound, first hand. Demonstrate the cosine effect on the Doppler shift as the plane of a source’s orbit changes with respect to . the line of sight. Students can compute the frequency change for motion along the line of
[PDF File]ASTR 101
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The fact that all the planets orbit the Sun in the same direction is cited as support for the nebular hypothesis. Imagine that there’s a di erent hypothesis in which planets can be created orbiting the Sun in either direction. Under this hypothesis, what is the probability that eight planets would end up traveling in the
[PDF File]How Big is Our Solar System? 1
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and sun, which is 93 million miles, as a new unit of measure called the Astronomical Unit. It is defined to be exactly 1.00 for the Earth-Sun orbit distance, and we call this distance 1.00 AUs. Problem 1 - The table below gives the distance from the Sun of …
[PDF File]Revolving Planets Lesson Plan - Space Racers
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Overview: In this lesson, students learn about how planets revolve around the sun and play a game where students take on the roles of different planets, with one student being the sun and others being the planets that orbit the sun. Grades: Preschool and K-3 . …
[PDF File]The Solar System
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(the Sun), the eight planets orbiting the sun, several dwarf planets, moons, asteroids, comets, meteors, interplanetary gas, dust, and all the “space” in between them. • Solar System: a star (sun) together with all the objects revolving around it (planets and …
[PDF File]CALCULATING PLANETARY ORBITS ABOUT THE SUN
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sun much larger mass. Note that the speed of a satellite in a near earth circular orbit will be less by a sqrt(2). In other words 7.9 km/sec or about 26 thousand foot per second for the earth. When e>1 the trajectory will be in form of a hyperbola. Casting the r=Δ/[1-ecos(θ)]
[DOC File]Astronomy 115: Finding New Worlds:
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Science 101 discussion of finding new planets orbiting the Sun Seeing planets close to home: Eclipsing binary stars UNL and/or Transit of Mercury CLEA. Doppler shift and light curve discussion. 6 Finding planets orbiting other stars Methods of finding planets - Kepler’s first look at transiting planets …
[DOCX File]Australian Curriculum Lessons - Lesson Plans, Teaching ...
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The Earth is part of a system of planets orbiting around a star (the sun). Elaborations •identifying the planets of the solar system and comparing how long they take to orbit the sun •modelling the relative size of and distance between Earth, other planets in the solar system and the sun
[DOC File]Learning Objectives:
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Kepler showed that planets orbiting the sun and moons orbiting planets do not travel on circles, but on ellipses, with the central body at one of the two foci: The long axis of an ellipse is called the . major axis. Half of the major axis is called the . semi-major axis, which is usually denoted . a.
[DOCX File]6.E.1 1of3 Solar System 28 questions
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faster than the planets that are . farther from the Sun. Earth's average orbital speed (29.78 km/s) fits this pattern. 7. As a result of the Sun's gravity, planets orbit the Sun . in nearly circular orbits. The shape of each planet's orbit is a special kind of oval called an . ellipse. The shape of …
[DOC File]Detecting Transits of Extrasolar Planets and their Moons
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Stars similar in brightness to the Sun are too bright for an orbiting planet to be seen. The light from the star overpowers the light reflected from the planet. A few images of extrasolar planets have been taken around Brown Dwarfs, which are cooler and smaller than typical stars.
[DOC File]Jupiter and Kepler’s Laws
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Kepler discovered the laws of planetary motion in 1609 by analyzing Tycho Brahe’s extensive data of planetary positions. He discovered that planets revolve in elliptical orbits (not circular) and that the period squared is proportional to the mean radius (distance from the Sun) cubed, such that: Where c is a constant for the orbiting system.
[DOC File]Lesson Plan - Ohio State University
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Lesson Title How Gravity Affects Orbits Grade Level State Indicator(s) Goals and Objectives for Student Learning Students will explore how the force of gravity affects celestial bodies to cause one to orbit around the other (i.e., mimicking the planets orbiting the sun in the solar system).
[DOC File]Sun, Earth, and Moon
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The Sun’s gravity keeps all the planets orbiting around it. The Sun is much larger than the Earth. The diameter of the Sun is 109 times that of the earth. You could fit about 1 million Earths inside the Sun! The word solar means “of the sun.” Wherever the Sun goes in …
[DOCX File]NASA
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(Motion of the Sun, or a star, about the center of mass of its system of planets, is not illustrated here and would not have this appearance.) Planets orbiting other stars are detected by the periodic Doppler shift observed in the motion of the parent star (caused by its orbit about the …
[DOCX File]Lab 4: Looking for Extra-Solar Planets
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Lab 5: Searching for Extra-Solar Planets. Until 1991, astronomers only knew about planets orbiting our sun. Though other planetary systems were suspected to exist, none had been found. Now, thirteen years later, the search for planets around other stars, known as extra-solar planets or exoplanets, is one of the hot research areas in astronomy.
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