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FJ The Sun Stars and Galaxies Solar System Grab Bag Planets 1 pt 1 pt 1 pt 1 pt 1 pt 2 pt 2 pt 2 pt 2 pt 2 pt 3 pt 3 pt 3 pt 3 pt 3 pt 4 pt 4 pt 4 pt 4 pt 4 pt 5 pt 5 pt 5 pt 5 pt 5 pt These are a cooler, dark areas on the sun’s surface Sunspots The sun appears to be the brightest star in the sky because it is the _________ to the earth. Closest Solar fusion appears in the ___________ of the sun. Core From the sun’s yellow color, you can infer that it is of average __________ Temperature The Hertzsprung-Russel diagram shows the sun is this G5 star This is the galaxy that contains earth Milky Way These are the colors of the hottest and coldest stars Hottest: bluish-white Coldest: red A stars brightness is related to its distance and its ________ Temperature The three types of galaxies include what? Spiral, Elliptical, and Irregular The amount of light received on earth from a star Apparent Brightness Earth-like planets are known as what? Terrestrial Planets Large chuck of ice, dust, gasses, and rock that orbit the sun Comet A body of matter that travels around the sun Planet The larger planets in the solar system are composed primarily of what? Gasses Name the nine planets in order from the sun starting with the closest to the sun Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto Distances in space are measured in what? Light Years Solar energy is produced in what process? Fusion This is known as the birth place of a comet Oort Cloud He was the first scientist to hypothesize that planets orbit the sun Copernicus To what do some scientist accredit global warming? Greenhouse Effect This planet is known as Earth’s “twin” or “sister” planet Venus The “Red Planet” Mars This is the second largest and lightest planet in the solar system Saturn What is Jupiter’s “Great Red Spot?” A Storm What is the name of Pluto’s moon? Charon What is the term used to Astronomical Unit describe the distance from Distances the sun to the earth? (1 AU) (93,000,000 miles)