Comet Beginnings and End2

Comet Beginnings and End2 - Comet Beginnings and Ends Some...

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Comet Beginnings and Ends Some major meteor showers Meteor shower Max. Date Meteors per hour constellation RA :: Dec comet source Quadrantids Jan. 3 40 to 110 Bootes, Hercules, Draco 15h 28m :: +50° 2003 EH1 Lyrids Apr. 22 8 to 12 Hercules-Lyra 18h 16m :: +34° C/1861 G1 Eta Aquarids May 5 5 to 20 Aquarius 22h 24m :: 0° Comet Halley Delta Aquarids Jul. 28 15 to 35 Aquarius 22h 36m :: --17° ? Perseids Aug. 11 to 12 40 to 70 Perseus 03h 04m :: +58° Comet Swift-Tuttle Orionids Oct. 21 13 to 30 Orion 06h 20m :: +15° Comet Halley Taurids Nov. 1 to 8 5 to 12 Taurus 03h 32m :: +14° Comet Encke Leonids Nov. 17 6 to 10 Leo 10h 08m :: +22° Comet Temple-Tuttle Geminids Dec. 13 to 14 50 to 70 Gemini 07h 32m :: +32° 3200 Phaethon (inactive comet?) The radioactive dating of meteorites says that the Sun, planets, moons, and solar system fluff formed about 4.6 billion years ago. What was it like then? How did the solar system form? There are some observed characteristics that any model of the solar system formation must explain. Observables
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This note was uploaded on 12/15/2011 for the course AST AST1002 taught by Professor Emilyhoward during the Fall '10 term at Broward College.

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Comet Beginnings and End2 - Comet Beginnings and Ends Some...

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