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Formation of Our Solar System Formation of Our
Formation of Our Solar System Formation of Our

... • As the disk began to cool, different elements and compounds were able to condense depending on their distance from the Sun – determined compositions of the forming planets. Hotter Cooler ...
If you wish to a copy of this months Night Sky News
If you wish to a copy of this months Night Sky News

... its waxing gibbous illumination is diminishing, so its magnitude hardly changes this month at around -3.88. In our skies, Venus moves rapidly away from the Sun and as the month progresses it enters Aries from Pisces on the 16 th and can be seen higher in the south-west at sunset. This is the best ti ...
Astronomy 2232G: Sun, Earth and Planets
Astronomy 2232G: Sun, Earth and Planets

Activity 1: What Planet Earth looks like from Space
Activity 1: What Planet Earth looks like from Space

... From space planet Earth looks like a blue and white disc against a starry background. The colour comes from the world’s oceans which reflect the blue colour back into space. The white colour comes from the clouds. The clouds are just huge amounts of water vapour existing as very tiny droplets in the ...
Planetary Rings
Planetary Rings

... view, they become the most remarkable bodies in the heavens. [..] When we have actually seen that great arch swung over the equator of the planet without any visible connection, we cannot bring out minds to rest. […] We must explain its motion on the principles of mechanics. ...
The Sun
The Sun

Science Framework for California Public Schools
Science Framework for California Public Schools

... stand scale, know the speed of light, and be familiar with units typically used for denoting astronomical distances. For example, Pluto’s orbital radius can be ex­ pressed as 39.72 AU or 5.96 × 1012 meters or 5.5 light-hours. An astronomical unit (AU) is a unit of length equal to the mean distance o ...
What is your real star sign - student brief
What is your real star sign - student brief

AST 301 Introduction to Astronomy
AST 301 Introduction to Astronomy

... Also, the Moon’s shadow is very small when it hits the Earth, and only those people in the shadow see a solar eclipse. ...
light years - Physics and Astronomy
light years - Physics and Astronomy

... The Moon Planets Perhaps a meteor shower, comet, or other rare event Stars - about 3000 visible Patterns of stars - constellations 88 of them Useful for finding our way around the sky, navigating the oceans Satellites, airplanes, clouds, lightning, light pollution ... ...
The Solar System - Thomas County Schools
The Solar System - Thomas County Schools

... to the sun, and have rocky surfaces (Mercury, Venus, Earth, Mars) – The outer planets are larger, farther from the sun and do not have solid surfaces (Jupiter, Saturn, Uranus, Neptune) ...
How Telescopes Changed our Universe
How Telescopes Changed our Universe

... Understanding of the Universe ...
Overview of Our Solar System
Overview of Our Solar System

... Overview of Our Solar System • Earth is one of nine planets revolving around, or orbiting, the Sun. • All the planets, as well as most of their moons, also called satellites, orbit the Sun in the same direction, and all their orbits, except Pluto’s, lie near the same plane. • The planets of our sola ...
PDF version
PDF version

... with the pretty dust rings around it. Saturn has moons as well – 62 of them. Uranus is the seventh planet, with 27 moons, and appears to be blue in telescopes. The last planet, Neptune, has only 13 moons and takes 164 years to rotate around the sun once. There was one more planet, Pluto, but due to ...
The Galilean Moons of Jupiter
The Galilean Moons of Jupiter

... Largest is bigger than Maryland - emits more energy than all Earth volcanoes combined! Most geologically active object in the solar system. Causes a thin atmosphere and smooth surface. Io is about the size of our moon. Why is it's volcanic activity surprising? ...
Working with the Illinois Learning Standards: A Constructivist
Working with the Illinois Learning Standards: A Constructivist

... adequately accommodate new information related to that preconception. The following preconceptions are related to Goal 12 of the Illinois Learning Standards – Concepts and Principles. Consider eliciting these preconceptions from your students and confronting them before moving on to teach new relate ...
Basic Observations of the Night Sky
Basic Observations of the Night Sky

... • In our summer, we are tilted toward the sun – as you can see in the illustration on the preceeding slide, this has the effect of making the Sun appear to rise higher in the sky and provides a longer period of daylight • In winter, we are tilted away – lower height to the ...
Lecture week 5 File
Lecture week 5 File

... • At any one moment in time, one half of the Earth is in sunlight, while the other half is in darkness. When the earth rotates we get day and night. ▫ The part of the earth facing the direct sunlight has a day ▫ The part of the earth not in the direct path of the sunlight has a night ...
Introduction and some basic concepts
Introduction and some basic concepts

... eyeballs, a protractor, and some relatively simple calculations, one can determine the clock time to within 10 minutes. ...
Solar System 2010 - Science Olympiad
Solar System 2010 - Science Olympiad

... Newton, upon observing an apple fall from a tree, began to think along the following lines:The apple is accelerated, since its velocity changes from zero as it is hanging on the tree and moves toward the ground. Thus, by Newton's 2nd Law there must be a force that acts on the apple to cause this acc ...
Ptolemy, Copernicus - Berry College Professional WordPress Sites
Ptolemy, Copernicus - Berry College Professional WordPress Sites

... They are guided to discover the following observational facts: •  The Sun drifts eastward relative to the stars along a great circle on the Celestial Sphere. The Sun completes one circuit around this path, known as the Ecliptic, in a one sidereal year. •  The five visible planets (Mercury, Venus, Ma ...
Solar System 2010 - Science Olympiad
Solar System 2010 - Science Olympiad

... What Really Happened with the Apple? Newton, upon observing an apple fall from a tree, began to think along the following lines:The apple is accelerated, since its velocity changes from zero as it is hanging on the tree and moves toward the ground. Thus, by Newton's 2nd Law there must be a force tha ...
powerpoint version
powerpoint version

... • Mass about half that of Jupiter • Just 0.05 AU from star (1/20th of Earth-Sun) • Surface temperature probably about 1300 K • Confirmed by Marcy and Butler Nothing like Mercury / the solar system. How did it get there? Massive planet formed further out and dragged in by gas and dust? If so, any ter ...
DaysSeasnsYears
DaysSeasnsYears

... • “The time it takes for the Earth (or any planet/moon) to make one complete rotation.” • 24 hours • Part of each 24-hour day is lighted (daytime), part is dark (night). • The length of daytime and nighttime varies depending on how the Earth is tilted. ...
PART 1 OBJECTS IN THE SOLAR SYSTEM 4.1 INTRODUCTION
PART 1 OBJECTS IN THE SOLAR SYSTEM 4.1 INTRODUCTION

... (thus their medium density) that are very far from the Sun. These are precisely the characteristics of the objects in what is known as the Kuiper belt. First proposed by Gerard Kuiper in 1951, many small icy objects, which have also been called “trans-Neptunian” objects and “ice dwarfs,” have now be ...
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Orrery



An orrery is a mechanical model of the solar system that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; but since accurate scaling is often not practical due to the actual large ratio differences, a subdued approximation may be used instead. Though the Greeks had working planetaria, the first orrery that was a planetarium of the modern era was produced in 1704, and one was presented to Charles Boyle, 4th Earl of Orrery — whence came the name. They are typically driven by a clockwork mechanism with a globe representing the Sun at the centre, and with a planet at the end of each of the arms.
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