21.1 Structure of the Solar System The sun is the center of our solar system The sun and 9 planets make up our solar system Planets “wander” or orbit around the sun at different distances Sometimes when we view stars, we actually see planets that appear to be stars Venus is the closest planet to Earth and is easily seen most nights Stars ...
OBJECTIVE S Identify planets by observing their movement against background stars. Explain that the solar system consists of many bodies held together by gravity. MAIN IDEA The solar system consists of the planets, their moons, and many other bodies orbiting the Sun. VOCABULA RY planet moon solar system inertia asteroid comet meteoroid meteor meteorite WHAT IS THE SOLAR SYSTEM? • Before telescopes were invented people ...
SOLAR SYSTEM MERCURY Distance from the Sun: Diameter : 57.91 million km Length of orbit: 4,879 km 88 days Climate: History of name: Its surface Its named after temperature can the Roman reach 801 degrees messenger god Fahrenheit during Mercury the day and can FUN FACTS: drop to Mercury is closest to the -279 degrees Sun Fahrenheit at night and is also the ...
Our Solar System has: • A Sun • It’s the center of our solar system • It’s a ball of hot gases that produce light • Planets • Some bigger than others • Some, such as Earth, have moons • Some, such as Saturn, have rings, • ALL revolve around the sun • ALL reflect light • Moons • Reflect light • Revolve ...
SOLAR SYSTEM Solar system consists of the sun,the eight planets and their satellites and millions of smaller celestial objects such as Asteroids, comets and meteorites. According to their order, the planets are Mercury, Venus,Earth,Mars,Jupiter, Saturn,Uranus,Neptune. THE SUN The sun is a star having a system of planets around it. The sun is an extremely hot object having temperature 6000 ...
Eqyptian Calendar Followed Solar Calendar consisting of 12 thirty-day months plus 5 lucky days. (12x30=360 + Lucky days 5 = 365 days) Roman Calendar Roman Calendar 12 lunar months have (6x29) + (6x30) = 354 days Tropical or solar year is about 365.25 days Julian Calendar (adopted officially in 44 BC He assigned Sosigenes, Greek Astronomer to reform Roman calendar and to design new ...
Controversial Topic (CT) Definition “Issues that deeply divide a society, that generate conflicting explanations and solutions based on alternative value systems, are considered controversial” (Harwood & Hahn, 1990). “Controversial issues are important policies or proposals on which conflicting views are held by large numbers of people in schools, community and nation” (The School District of Philadelphia, 1990) Identified Earth System Controversial Topics ...
Used with permission of V.Morris, Phillips Preparatory School A. What is Astronomy? 1. Astronomy is the study of the universe. –This includes planets, stars, galaxies, black holes, moons, meteors, comets, asteroids and all of the matter that exists in space. 2. Astronomers are scientists who observe & study space. Used with permission of V.Morris, Phillips Preparatory School B. Modern Calendar 1 ...
The Planets Do you know a saying to remember the planets in order? My Very Eager Mother Just Severed Us Nine Pizzas Do you know the planets in order? Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto (dwarf planet) Solar System Data Pluto 2,300 What do you know about the planets? Planet Sizes Relative to Each Other Inner Planets Characteristics of the inner ...
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