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What part of the sun can we see only during a solar eclipse?
What part of the sun can we see only during a solar eclipse?

... False- Not the distance from the sun, but the tilt of the earth and whether the light hits it directly or indirectly. ...
Astronomers use astronomical units(AU) to measure distances
Astronomers use astronomical units(AU) to measure distances

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1) Name the following: a) The smallest and largest planets of the

... e))The brightest object in the night sky after the moon, which rotates from east to west. f)The planets closest and farthest to the sun. 2) If we join the group of stars shown in the picture below, the resulting figure will look like a hunter with a bow. To which constellation does this belong? ...
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The Solar System. The Inner Planets.

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Solar System Unit Review - Parma City School District
Solar System Unit Review - Parma City School District

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Organize Your Space PowerPoint.

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Clues to the Origin of the Solar System

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Astronomy Unit Notes - sciencepowerpoint.com

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Grade 9 Science Part 3 Other Celestial Bodies

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Our Solar System

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Solar System Study Guide 1
Solar System Study Guide 1

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Our Solar System - After School Astronomy Clubs

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The Daily Telegraph – London… 14th February 2008… New Solar

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Origin of the Universe and of the Solar System

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Grade 9 Science Part 3 Other Celestial Bodies
Grade 9 Science Part 3 Other Celestial Bodies

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Solar System Study Guide 1
Solar System Study Guide 1

... orbit – The path that an object such as a planet makes as it revolves around a second object. phase – One of the different shapes the moon seems to have as it orbits around Earth. revolution – The movement of any object in an orbit, such as Earth moving around the sun. axis – An imaginary line which ...
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Solar System



The Solar System comprises the Sun and the planetary system that orbits it, either directly or indirectly. Of those objects that orbit the Sun directly, the largest eight are the planets, with the remainder being significantly smaller objects, such as dwarf planets and small Solar System bodies such as comets and asteroids. Of those that orbit the Sun indirectly, two are larger than the smallest planet.The Solar System formed 4.6 billion years ago from the gravitational collapse of a giant interstellar molecular cloud. The vast majority of the system's mass is in the Sun, with most of the remaining mass contained in Jupiter. The four smaller inner planets, Mercury, Venus, Earth and Mars, are terrestrial planets, being primarily composed of rock and metal. The four outer planets are giant planets, being substantially more massive than the terrestrials. The two largest, Jupiter and Saturn, are gas giants, being composed mainly of hydrogen and helium; the two outermost planets, Uranus and Neptune, are ice giants, being composed largely of substances with relatively high melting points compared with hydrogen and helium, called ices, such as water, ammonia and methane. All planets have almost circular orbits that lie within a nearly flat disc called the ecliptic.The Solar System also contains smaller objects. The asteroid belt, which lies between Mars and Jupiter, mostly contains objects composed, like the terrestrial planets, of rock and metal. Beyond Neptune's orbit lie the Kuiper belt and scattered disc, populations of trans-Neptunian objects composed mostly of ices, and beyond them a newly discovered population of sednoids. Within these populations are several dozen to possibly tens of thousands of objects large enough to have been rounded by their own gravity. Such objects are categorized as dwarf planets. Identified dwarf planets include the asteroid Ceres and the trans-Neptunian objects Pluto and Eris. In addition to these two regions, various other small-body populations, including comets, centaurs and interplanetary dust, freely travel between regions. Six of the planets, at least three of the dwarf planets, and many of the smaller bodies are orbited by natural satellites, usually termed ""moons"" after the Moon. Each of the outer planets is encircled by planetary rings of dust and other small objects.The solar wind, a stream of charged particles flowing outwards from the Sun, creates a bubble-like region in the interstellar medium known as the heliosphere. The heliopause is the point at which pressure from the solar wind is equal to the opposing pressure of interstellar wind; it extends out to the edge of the scattered disc. The Oort cloud, which is believed to be the source for long-period comets, may also exist at a distance roughly a thousand times further than the heliosphere. The Solar System is located in the Orion Arm, 26,000 light-years from the center of the Milky Way.
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