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The Solar System: An Insider`s Guide
The Solar System: An Insider`s Guide

... planet Jupiter. Just as he’d done with Venus, Galileo became the first witness to a dynamic spectacle around this large gas giant. He observed four tiny points of light, now known as the Galilean satellites, which moved around Jupiter (and not around the Earth). Moreover, their periods and distances ...
Planet Math
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... Planets have different characteristics. Some are related and others are not. Using the Solar System Update program, complete all but the last column of this table for each planet. Note that in the software, a value given as 2.5 E 7 is a shorthand for the scientific notation 2.5 x 107. ...
The Sky
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... • The stars are fixed relative to one another. • The constellations you see today are the ones that ancient peoples saw long ago. • Over thousands to millions of years even these constellations will change as stars move through the galaxy. • On time scales of weeks to years, however, five ``stars’’ ...
History of astronomy
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... elevation angle of the Sun reached 83 degrees (just like College Station). But he heard that in Syene, to the south, the sunlight went straight down wells and reflected off of the water in the bottom on that day, so he knew that Sun reached the zenith at Syene. Therefore, the two locations were 7 de ...
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... nebula of the Sun (mainly H2, He); ♦ II - outgassing of the planet (volcanoes, geysers,…); formation of an ocean (perhaps?); material from meteorites and comets; ♦ III – evolution of the atmosphere due to the presence of life and human activity. The early atmosphere of the Earth is very different fr ...
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... Begins the summer season in northern hemisphere Earth’s northern hemisphere is tilted toward the sun. Sun appears higher in the sky for most of northern hemisphere and cause the time between rise and set to be longer. At our latitude we experience: about 14 .5 hrs of daylight & 9.5 hrs of night Peop ...
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... we know very little about Pluto and Charon. In 2006, the spacecraft New Horizons began a 10-year trip to study Pluto and Charon. The figure below shows an artist’s idea of the view from Pluto. The sun looks like a very bright star beyond Charon. The sun is so distant that the temperature on Pluto on ...
Simon P. Balm Astronomy 5, Test #1, Sample Questions
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Origin of the Solar System
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... smaller particles, and very quickly, the large objects have accumulated all of the solid matter close to their own orbit. How big they get depends on their distance from the star and the density and composition of the protoplanetary nebula. In the solar system, the theories say that this is large as ...
(1)In bold text, Knowledge and Skill Statement
(1)In bold text, Knowledge and Skill Statement

... 9 (C) relate the role of Newton's law of universal gravitation to the motion of the planets around the Sun and to the motion of natural and artificial satellites around the planets ...
The Terrestrial Planets
The Terrestrial Planets

... – Earth’s axis is tilted and has a wobble. – Precession is the wobble in Earth’s rotational axis. – It takes Earth’s rotational axis about 26 000 years to go through one cycle of precession. – The sideways pull that causes precession comes from the Moon’s gravitational force on Earth, as well as to ...
Comet Hayukatake
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... out how fast planets moved. He found out that planets don’t move in circles, as Ptolomeus said, but in ellipses. Due this he also found out that the planets closer to the sun move faster than planets far away. The last thing he discovered was that the time it took for a planet to go around the sun i ...
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... Create a booklet with different pages or a scrapbook type format. Build the creature and take a photograph of it and attach the written list and letter. Draw the creature and label it or attach the written list and letter. Make a slideshow from images, documents, PowerPoint slides, etc. Use a word f ...
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... vary in size, mass, and brightness, but they all convert hydrogen into helium, also known as nuclear fusion. While our sun will spend 10 billion on its main sequence, a star ten times as massive will stick around for only 20 million years.  Red Dwarf -- most common stars in the universe. These star ...
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... The classroom contains roughly 20 fifth graders. The genders in the classroom are about even. These students have had one prior lesson on the solar system and its planets which was presented in a lecture form, with pictures, by the teacher. The setting of the school is rural. 5.2.1 Recognize that ou ...
Mercury, Mars, Venus and the Earth : when worlds collide !
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... The problem of stability of the Solar System was enunciated by Isaac Newton after establishing his law of gravitation. If we consider a single planet around the Sun, we well retrieve the elliptical motion of Kepler. However, once several planets orbit around the Sun, they are subject to their mutual ...
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Chapter 19 The Solar System Overview

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the sun

... Newton- explained that gravity keeps the planets in orbit around the sun and satellites in orbit around the planets. Every object in the universe experts a gravitational force on every other object. Proposed that everything in the universe follows the same rules and acts in a predictable way. ...
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Late Heavy Bombardment



The Late Heavy Bombardment (abbreviated LHB and also known as the lunar cataclysm) is a hypothetical event thought to have occurred approximately 4.1 to 3.8 billion years (Ga) ago, corresponding to the Neohadean and Eoarchean eras on Earth. During this interval, a disproportionately large number of asteroids apparently collided with the early terrestrial planets in the inner Solar System, including Mercury, Venus, Earth, and Mars. The LHB happened after the Earth and other rocky planets had formed and accreted most of their mass, but still quite early in Earth's history.Evidence for the LHB derives from lunar samples brought back by the Apollo astronauts. Isotopic dating of Moon rocks implies that most impact melts occurred in a rather narrow interval of time. Several hypotheses are now offered to explain the apparent spike in the flux of impactors (i.e. asteroids and comets) in the inner Solar System, but no consensus yet exists. The Nice model is popular among planetary scientists; it postulates that the gas giant planets underwent orbital migration and scattered objects in the asteroid and/or Kuiper belts into eccentric orbits, and thereby into the path of the terrestrial planets. Other researchers argue that the lunar sample data do not require a cataclysmic cratering event near 3.9 Ga, and that the apparent clustering of impact melt ages near this time is an artifact of sampling materials retrieved from a single large impact basin. They also note that the rate of impact cratering could be significantly different between the outer and inner zones of the Solar System.
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