PPT-OH Observations of Comets

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?. &. Eyes on ISON. Hubble Science Briefing. Dr. Frank Summers. November 7, 2013. Comet of the Century?. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Great Comets. Caesar's Comet – 44 BC. Halley's Comet – 1066. 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.. Roxanne Ryan. Overview. Comets. Dynamics of tail. Composition. Oort. Cloud. Kuiper Belt. Model of a Comet. 1950 . -Fred . Whipple proposed a model which . explained . most physical characteristics.. Asteroids. Composition (what are they made of?. Asteroids are rocky worlds.. Asteroids. Where are asteroids found?. Most asteroids orbit the Sun between Mars and Jupiter.. Asteroids. What are their shapes?. 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.. Reactivated in Dec 2013, NEOWISE is observing, discovering, and characterizing asteroids & comets . at 3.4 . and 4.6 . m. m. ~11,000 . minor planets observed, including . 245 . near-Earth objects (NEOs). . Challenger Tragedy. Francis . Scobee. , Michael . Smith, Ronald McNair, Ellison . Onizuka. , Judith . Resnik. , . Gregory Jarvis, and Christa . McAuliffe. First time a teacher was on . board the Space Shuttle.. 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.. Centaurs. 100 Years. Orange: Centaurs. Blue Box: Comets. Filled Box: . JupComets. White Circle: . Plutinos. Red Circle: TNOs. Magenta Circle: SDOs. d. efinition a = 5 to 30 AU … not . in a 1:1 resonance with any . 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..