PPT-Other than the sun, planets, and moon, what other objects a

In this lesson we are going to be comparing comets meteors and asteroids which are found in the Solar System Essential Question What is the difference between a comet meteor and asteroid. The . Pluto. Files. By Neil Degrasse Tyson. February 18, 1930. Pluto was discovered by Clyde W. Tombaugh, an amateur astronomer from Illinois at Arizona’s Lowell Observatory.. He considered naming the planet Percival, after Percival Lowell.. Emit. Emit means to give off or produce (Ex. Giving off light) .  . Reflect. Reflect means to give back or bounce (ex. reflecting light). Make a table. Location. Emit. Light. Reflect Light. What emits and reflects light in the following places?. Formation of the Solar System. Formation of the Solar System. Scientists claim that 4.5 billion years ago there was just a featureless cloud of . gas..mostly. hydrogen and some helium with a little carbon and iron. ASTR 101. Prof. Dave Hanes. The . Moon. ’. s . Baleful Influence . (?. ). Crime . rates, . homicides, . birth rates, acts of. ‘. lunacy,. ’. t. raffic a. ccidents. , etc…. http. ://skepdic.com/fullmoon.html. Exam on Monday. I’ll have a Mock exam to work on Friday. Solar Eclipse. Freds_excellent_eclipse.mpg. Solar Eclipses . Umbra. – region of total shadow. Penumbra. – region of partial shadow. Totality lasts only a few minutes!. 3.01 Historical Solar System Models. The early models of the solar system were based on philosophy and religion. Philosophers spent their time discussing and debating how the universe looked. We must remember:. ASTR 101. Prof. Dave Hanes. The . Moon. ’. s . Baleful Influence . (?. ). Crime . rates, . homicides, . birth rates, acts of. ‘. lunacy,. ’. t. raffic a. ccidents. , etc…. http. ://skepdic.com/fullmoon.html. Major components of the universe include . Galaxies. Black Holes. Nebulae. Stars. A . galaxy. is a large grouping of stars and interstellar gas and dust. These components are held together in the galaxy by their gravity. . Earth and Sun Relationship. Earth completes one revolution around the sun every 365 ¼ days. . Revolution – the time it takes for the Earth to complete 1 orbit around the sun.. What is Rotation?. Rotation – the Earth rotates around its axis once every 24 hours.. SC.5.E.5.1, SC.5.E.5.2, SC.5.E.5.3, SC.4.E.5.4 . Department of Science. Big Idea 5: Earth in Space and Time Benchmarks. SC.5.E.5.1. Recognize that a galaxy consists of gas, dust, and many stars, including any objects orbiting the stars. Identify our home galaxy as the Milky Way. AA .  . Recognize that the . Sun and stars emit the light by which they are seen and that most other bodies in space, including Earth’s Moon, planets and their moons, comets and asteroids are seen by reflected light.. 2015-2016. Earth’s movement is constant!. Earth’s orbit. Sun is at the center. Orbit: movement of an object around another. ex: Earth orbits the Sun.. Elliptical: oval shaped. Revolution: 1 full orbit of Earth around Sun. . The four planets closest to the sun are known as the inner planets. Mercury, Venus, Earth, and Mars. Mercury. This picture of Mercury was made by joining many smaller photos taken by . Mariner 10. . No photos were taken of the area that looks smooth. . SOLAR SYSTEM: all of the planets, 
moons, comets, and rocks that travel 
around the Sun. GALAXY: giant collection of gas, dust, 
and trillions of stars. Milky Way: our galaxy. Planet Sizes. PLANETS.