eight planets‚ their moons‚ and other non-stellar objects. It formed 4.6 billion years ago from the gravitational collapse of a giant 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‚ also called the terrestrial planets‚ are primarily composed of rock and metal. Sun The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists
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Chicxulub Impact report- By Sophia Davis The Chicxulub asteroid hit earth over 65 million years ago‚ killing the vast majority of life.(1) This dramatic event had a great effect on Earth and its inhabitants. The impact included three main stages: the change of pathway which lead the asteroid towards earth‚ the fall of the asteroid and the effects caused. First stage The first stage of the Chicxulub impact was the change in space which lead the asteroid on its path to Earth. In order to get a better
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these two stars are called brown dwarfs witch can be define as stars that are too small in mass to ever become hot enough to ignite hydrogen fusion. Because of this they are very cool and dim and that makes them look more like a giant planet like Jupiter instead of a bright star like the sun. Kevin Luhman‚ an associate professor of astronomy and astrophysics at Penn State University‚ University Park‚ Pa.‚ and a researcher in Penn State’s Center for Exoplanets and Habitable Worlds states that these
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Sun= cantaloupe Earth = ball pen Jupiter= finger tip Pluto= dust * Today we know Solar system has: 1 star‚ 8 planets‚ 5 dwarf planets‚ 139+ moons‚ countless small solar system bodies * A major lesson from all this is that the solar system is almost entirely made of nearly empty space * All planets orbit the sun in the same direction (counter-clockwise) * Most rotate in the same direction * Venus rotates backward * Uranus rotates on its side (equator perpendicular to equator)
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Europa: Potential for life? In 1610‚ the famous scientist‚ Galileo Galilei‚ looked upon a tiny moon of Jupiter later named Europa. A tiny nondescript moon of Jupiter‚ it did not seem like an attractive place for life. Europa is known to be covered in ice and slightly smaller than the Earth’s moon. At first glance this tiny moon seems like an inhospitable place where life cannot exist. However lately the theory that life may be present in Europa has gained momentum. Despite the physical discrepancies
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UNIT: Beyond the Solar System TOPIC: Planets A. Science Concept: Planets are the large celestial bodies which revolve around the sun in closed elliptical paths called orbits. Mercury‚ Venus‚ Earth and Mars are inner planets. Jupiter‚ Saturn‚ Uranus‚ and Neptune are outer planets. B. Science Processes: Communicating‚ Describing‚ Inferring C. Materials: Laptop‚ OHP‚ pictures‚ charts References: Science Web by Laarni S. Sta. Romana pages 426-432 III. Procedure:
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Name: ______________________________________ Date: ________________________ Student Exploration: Solar System Explorer Vocabulary: astronomical unit‚ dwarf planet‚ eccentricity‚ ellipse‚ gas giant‚ Kepler’s laws‚ orbit‚ orbital radius‚ period‚ planet‚ solar system‚ terrestrial planet Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. List all of the planets you can think of in our solar system. Try to list them in order from closest to farthest from the Sun. _______________
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almost circular and contained within a nearly-flat disc called the ecliptic plane. The four smaller inner planets; Mercury‚ Venus‚ Earth and Mars‚ also called the terrestrial planets‚ are primarily composed of rock and metal. The four outer planets‚ Jupiter‚ Saturn‚ Uranus and Neptune‚ also called the gas giants‚ are composed largely of hydrogen and helium and are far more massive than the terrestrials. 1.1 STATEMENT OF PROBLEM Simulation of solar system historically has been a major difficult terrain
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Basics scientific notation for distances Earth-Sun distance = 93 million miles = 8.3 light minutes = 1 AU Celestial Spheres & Motions of Stars Zenith- point on celestial sphere directly overhead Nadir- point on celestial sphere directly below Celestial poles- either of two points at which extensions of earth’s axis intersect celestial sphere Circumpolar stars- stars that never set at a given latitude; all stars between Polaris and northern horizon Diurnal motion of stars Means daily Stars
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Distance in scientific notation Mercury 57‚909‚000 5.7909*10^7 Venus 108‚200‚000 1.082*10^8 Earth 149‚600‚000 1.496*10^8 Mars 227‚940‚000 2.2794*10^8 Jupiter 778‚400‚000 7.784*10^8 Saturn 1‚423‚600‚000 1.4236*10^9 Uranus 2‚867‚000‚000 2.867*10^9 Neptune 4‚488‚400‚000 4.4884*10^9 (dont know about pluto but Im putting it
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