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THE SKY FROM EARTH CHAPTER 11 LESSON 1 WHAT DID ARYBHATA DISCOVER? • He thought that stars moved from east to west because Earth moves from west to east. WHAT 5 THINGS MIGHT YOU SEE IN THE NIGHT SKY ON A CLEAR NIGHT? • Stars • The moon • Planets • Meteors • Comets WHAT IS A NATURAL SATELLITE? • A body that orbits that is not man made WHAT IS EARTH’S NATURAL SATELLITE? • The moon WHAT ARE THE THREE REQUIREMENTS FOR A PLANET? •Orbits the sun •Rounded by gravity •Cleared the area of its orbit WHAT IS A “SHOOTING STAR”? • A meteor WHAT IS THE DIFFERENCE BETWEEN A METEOR AND A COMET? • A meteor is an object that is burning up in the earth’s atmosphere • A comet is a cold mixture of dust and ice WHAT IS KNOWN ABOUT A STARS’ LOCATION IN THE SKY? • The stars position is based on the position of the other stars relative position WHAT ARE THE TWO WAYS THAT SCIENTISTS USE THE WORD “CONSTELLATION?” • A pattern of stars • An area of the sky and all the items in that area HOW MANY WESTERN CONSTELLATIONS ARE THERE? • 88 WHAT IS A STAR CHART? • It is a chart that can help you locate a star in the night WHAT IS POLARIS? • The north star WHAT IS APPARENT MOTION OF ITEMS IN THE SKY BASED ON? • The objects in the sky appear to move based on the motion of earth. WHAT CAUSES THE STARS AND SUNS APPARENT MOVEMENT IN THE SKY? • The earth turning west to east WHAT CAUSES THE SEASONAL CHANGES IN THE OBJECTS IN THE NIGHT SKY? • Causes by earth’s orbit around the sun WHAT CONSTELLATIONS CAN YOU SEE YEAR ROUND? • The constellations close to the north star WHAT IS THE ZODIAC? • The area in the sky where the planets orbit the sun WHEN CAN YOU SEE MARS, JUPITER, AND SATURN? • When the Earth passes between the planets and the sun they become visible WHEN CAN YOU SEE VENUS AND MERCURY? • In the evening and early morning WHAT IS THE BRIGHTEST PLANET IN THE NIGHT SKY? • Venus