PDF-DEFLECTING ASTEROIDS BY MEANS OF STANDOFF NUCLEAR EXPLOSIONSDonald B.

neutronsroughlybyafactorof100047ThisfactcancausesuchhightemperaturestobeproducedthatmostoftheenergyisreradiatedItalsocausesasmalleramountofmasstobeejectedfromtheasteroidWhentheenergydensityinthe. 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: . How it works….. Electrons are boiled off in the cathode (negative terminal). Electrons are sped up through accelerating plates (parallel plates with a potential difference). Electrons are deflected by a second (and third) set of deflecting plates. Knowledge of subatomic particles has led to many advancements- unfortunately besides the advancements in power plants there has been costs-nuclear warfare and waste. Nuclear Decay. The nucleus-cluster of protons and neutrons-is in the centre of an atom. & 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. 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?. 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”. shinning universe . there are billions of stars , millions of meteors, . hundreds of stars. , plenty of planets, many moons , a unique sun and many more celestial bodies. . It is Imperative that a Standoff is used on every weapon.. Every Standoff on every weapon must be either taped or Heat Shrink used to make it permanent and not slip off. . . Heat Shrink Tubing (purchase at any hardware store) is the most secure way. Use ½” once Standoff is secured on weapon.. 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.. What will we bring back? . Paula Lindgren. School of Geographical and Earth Sciences University of Glasgow. SPACE Glasgow Research. . C. onference. University of Glasgow. 2. 8. th. Oct 2014. Asteroids. 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 _____________. __________. . 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. .. 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 ” . .