Slide 1Web Links for asteroid research and Halley’s CometSlide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Asteroid Close ApproachesWritten for Astronomy 360Web Links for asteroid research and Halley’s Comet•http://neo.jpl.nasa.gov/neo/close.html•http://en.wikipedia.org/wiki/Halley%27s_Comet#Orbit_and_originNASANASANASA’s Wide Field Infrared Survey Explorer is now activeM31A nebula containing young, massive stars is located 20,000 light-years away in the Carina spiral arm of our Milky Way Galaxy. It contains a central cluster of huge, hot stars, called NGC3603 The cluster contains some of the most massive stars known.Halley is generally pronounced /ˈhæli/, rhyming with valley, or /ˈheɪli/ rhyming with daily,[15] but Edmond Halley himself probably pronounced his name /ˈhɔːli/ "Hawley", as in the word
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