PPT-Comets and Asteroids

I Comets A What is a Comet It is a small body orbiting the Sun that develops a a fuzzy atmosphere andor a as it approaches the Sun Comet nuclei range from . 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?. Chandra . Wickramasinghe. 1. , . Max K. . Wallis. 1. , . Carl H. Gibson. 2. , Jamie . Wallis. 1. , . Shirwan. Al-Mufti. 1. & . Nori. Miyake. 1 .  . 1 . Cardiff Centre for Astrobiology, Cardiff University, UK.. & 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. 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 Comets Throughout history, people have been both awed and alarmed by, stars with 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. Solutions. 1. Describe . the focus of comparative . planetology. and discuss its importance to solar system studies. .. Comparative . planetology. is . the approach we use to study and understand our solar system. Comets. -More than 3000 comets have been discovered. -May take hundreds or even 1000s of years to orbit the sun. -240 BC was the earliest sighting of a comet. Halley's Comet is arguably the most famous comet. It is a "periodic" comet and returns to Earth's vicinity about every 75 years, making it possible for a human to see it twice in his or her lifetime. The last time it was here was in 1986, and it is projected to return in 2061.. Asteroids. Over 100,000 asteroids.. Vesta is the largest – 330 miles. in diameter.. Size range – 330 miles to about. 100 yards.. Irregular-shaped rocky bodies.. Some asteroids have moon(s).. 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. 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.. While we worry over the depletion of the earth\'s natural resources, the pollution of our planet, and the challenges presented by the earth\'s growing population, billions of dollars worth of metals, fuels, and life-sustaining substances await us in nearby space. In this visionary book, noted planetary scientist John S. Lewis explains how we can mine these precious metals from the asteroids, comets, and planets in our own solar system for use in space construction projects. And this is just one of the possibilities. Join John S. Lewis as he contemplates milking the moons of Mars for water and hollowing out asteroids for space-bound homesteaders—all while demonstrating the economic and technical feasibility of plans that were once considered pure fiction. .. 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 ” . . Emma Galligan. 10/1/21. Motivation. Personal:. 2. HST. ESA/. Rosetta. /NAVCAM. E. . Kolmhofer. Scientific:. Lawrence Livermore Nation Lab. N = R* × f. p. × n. e. × f. l. × f. i. × f. c. × L.