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Great Comets from Humble Origins & Eyes on ISON. Hubble Science Briefing Dr. Frank Summers November 7, 2013. Comet of the Century?. Great Comets. Caesar's Comet – 44 BC Halley's Comet – 1066 Great Comet of 1106 Great Comet of 1264 Great Comet of 1402 Great Comet of 1556 - PowerPoint PPT Presentation
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Great Comets from Humble Origins&
Eyes on ISON
Hubble Science BriefingDr. Frank SummersNovember 7, 2013
Comet of the Century?
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Great Comets• Caesar's Comet – 44 BC• Halley's Comet – 1066• Great Comet of 1106• Great Comet of 1264• Great Comet of 1402• Great Comet of 1556• Great Comet of 1577• Great Comet of 1680• Great Comet of 1744• Great Comet of 1811• Great Comet of 1843• Donati's Comet – 1858• Great Comet of 1861
• Great Comet of 1882• Great Daylight Comet of 1910• Halley's Comet – 1910• Comet Skjellerup–Maristany – 1927• Comet Arend–Roland – 1957• Comet Seki-Lines – 1962• Comet Ikeya–Seki – 1965• Comet Bennett – 1970• Comet West – 1976• Comet Hyakutake – 1996• Comet Hale–Bopp – 1997• Comet McNaught – 2007• Comet Lovejoy – 2011
12Wikipedia
Great Comets• “Great Comets in History”
– Don Yeomans, April 2007– 71 since 373 BCE (72 w/ Lovejoy)– 22 appearances of Comet Halley
• Characteristics– Tails up to 100 degrees long– Some visible during daylight– Many appear to be sungrazers– Several have broken into pieces– Kreutz family 1843, 1880, 1882, 1887,
1945, 1963, 1965, 1970
• Statistics– 1-3 each century
until Renaissance– 1400s – 4– 1500s – 5– 1600s – 7– 1700s – 2– 1800s – 8– 1900s – 9– 2000s – 1
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The Heart of a Comet
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Dust in the Solar Wind
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Play Moviehttp://lasco-www.nrl.navy.mil/solcd/c2_1mth.mpg
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Interplanetary Interlopers
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To the Ends of the Solar System
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Kuiper Belt Oort Cloud
Humble Origins
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Comet ISON
Coming Soon to a Sky Near You
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April 10, 2013
May 8, 2013
Comet ISON
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Plot by Seiichi Yoshida 63
Plot by Seiichi Yoshida 64
Plot by Seiichi Yoshida 65
Breaking Up is Not Hard to Do
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Comet Schwassmann-Wachmann 3
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Comet Schwassmann-Wachmann 3
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Comet Schwassmann-Wachmann 3
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Comet Schwassmann-Wachmann 3
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Eyes on ISON
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Oct 9, 2013
Comet ISON
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Oct 11, 2013 93
Oct 24, 2013 94
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Canary Island Serenade
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Comet ISON
• Mid to Late November– May be visible just before dawn
• Nov 28, 2013– Closest approach to Sun
• Early December– Survive perihelion?– Just before dawn & just after sunset– Probably fade away before holidays
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Resources
• Sky & Telescope• Universe Today• NASA Comet ISON Observing Campaign• Blogs
– HubbleSite ISONblog– Waiting for ISON– The Sky Live– CIOC blog
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Thank you!
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Bonus material –
A Smash Hit
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Washing Machine Crashes into Iceberg at 25,000 MPH
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