PPT-Professor Comet Report Special Report 2016! A Tale of Two Comets

On the third and final full week of March 2016 the dates of 20 th 26 th there are two comets on a perihelion approach to the Earth on the nights of 21 23 March 2016 The comets are 252PLINEAR and P2016 BA 14 This a short report on these comets in a rare two comet flyby that happens once in every 150 years . 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?. 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”. What’s a Comet Made of?. “dirty snowball” model. Composed of :. Ices: water, CO. 2. and others. Gases: . water, . CO. 2,. CO, O. 2. and some simple organics. Tiny dust particles (organic and inorganic). 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?. 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.. Could . Comets have Delivered the Ingredients for Life? . Dr. Erika . Gibb. Dept. of Physics & Astronomy. April 9, 2016. A. B. C. D. 50,000 AU. 500 AU. Test the possibility for exogenous delivery to early Earth –>. I. Comets. A. What is a Comet?: . It is a small body orbiting the Sun that develops a ______ (a fuzzy atmosphere) and/or a ____ as it approaches the Sun. Comet nuclei range from _____________. __________. . I. Comets. A. What is a Comet?: . It is a small body orbiting the Sun that develops a ______ (a fuzzy atmosphere) and/or a ____ as it approaches the Sun. Comet nuclei range from _____________. __________. . 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.. 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?. 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.. Comets and asteroids are particularly interesting because of their resemblance to . planetisimals. : the building blocks of the Solar System.. Asteroids are rocky, and most are found between Mars and Jupiter.. 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.