PPT-Asteroids and comets

By Trevor Todd and Michael Tran What are asteroids made of An asteroid is a rocky object up to kilometers wide that revolves around the Sun What are comets made out of A comet is a frozen mass. Unit 4. Appearances of comet Kohoutek (1973), Halley (1986), and Hale-Bopp (1997) caused great concern among superstitious.. Comet Hyakutake in 1996. Throughout history, comets have been considered as portents of doom, even very recently: . June 26, 1730 - April 12, 1817. Frank Andrade. George Martinez. Born in... -Bandonviller, France June 26, 1730. ​-​Died in Paris, France April 12, ​1817​. Known For.... Known For... Discovering Over 40 Nebula's. & Meteors. Lectures will be available at: . homework.uoregon.edu. /pub/. elsa. /. haydock. / . Asteroid Belt Basic . Characteristics. Estimated 1 million are ~1km or larger; millions more are . smaller. Comets. one of the most glorious things to see in the sky is a comet.. May be visible for only days, weeks, or months. Comet. : chunks of ice and dust whose orbits are very long, narrow ellipses.. Think of them as a “dirty snowball”. Information for this PowerPoint obtained from: . NSTA Online Module: Solar System: . Asteroids, Comets, and Meteorites . NASA. ESA. Windows2Universe.org. This is a meteorite that had been broken off of Mars from a large impact meteorite. It spent millions of years in space before landing in Antarctica.. Comets and Their Significance. In the past, people dreaded comets as omens of human disasters such as wars or famines.. Today we know that . comets. are icy members of our solar system that have highly elliptical orbits.. foldable. 6.8 Space Science. Label and color your 3 doors. Fold your paper hamburger style. Cut and label THREE doors, so you will make two lines. Try to make them as even as possible.. 1. Comet. Ellen Howell (Arecibo Observatory) and Amy Lovell (Agnes Scott College). Hyakutake. Comets: where do they come from?. Icy bodies ejected during giant planet formation. Remnants of early solar system. 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?. of 40 asteroids. Dave Herald. An overview of recent results. Why are diameters important?. Diameters are a primary characteristic of asteroids. Several Infra-red satellite missions have measured diameters for 1000’s of asteroids. Chapter 20. A loose collection of ice, dust and small rocky particles. Orbits are very long and narrow ellipses. Comprised of 2 parts: Head and Tail. Originate from either Kuiper belt or . Oort. cloud. Facts. Comets, like asteroids are small celestial bodies that orbit the sun. However, unlike asteroids comets are made mostly of frozen ammonia, methane or water, and contain only small amounts of rocky material.. .. They have also been called . planetoids. , especially the larger ones. Formation. The most obvious and general thought . “ A Planet would some how been destroyed millions of years and that resulted to asteroid belts ” . . Section 4. Prentice Hall Earth Science. 23.4 Objectives. Identify . location within our solar system where most asteroids are found. Describe . the structure of a comet. Explain . the possible origins for a meteoroid.