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Previous Thread Next Thread Print Thread Page 4 of 4 1 2 3 4 Re: Northern Lights - Kop #59637 03/22/02 04:19 PM Joined: Nov 2000 Posts: 866 Perth, Western Australia stales old hand stales old hand Joined: Nov 2000 Posts: 866 Perth, Western Australia dxb - don't think I've had the pleasure? G'day mate - and welcome stales Copy Link to Clipboard Share Post on Facebook Share Post on Twitter Re: Aurora over Alaska #59638 04/23/02 05:04 PM Joined: Aug 2001 Posts: 2,605 K Keiva Carpal Tunnel Keiva Carpal Tunnel K Joined: Aug 2001 Posts: 2,605 A truly spectacular aurora, featured yesterday: http://antwrp.gsfc.nasa.gov/apod/ap020422.html It strikes me that the red and green colors shown here are unusual in aurorae, blue and violet being more typical. Can anyone confirm or explain this? Copy Link to Clipboard Share Post on Facebook Share Post on Twitter Re: Aurora over Alaska #59639 04/23/02 07:10 PM Joined: Jan 2001 Posts: 13,858 W wwh Carpal Tunnel wwh Carpal Tunnel W Joined: Jan 2001 Posts: 13,858 I have seen a red aurora in Massachusetts. The solar particles can have a spectrum of frequencies, and so when converted to light, different colors. Copy Link to Clipboard Share Post on Facebook Share Post on Twitter Page 4 of 4 1 2 3 4 Moderated by  Jackie  Hop To General Topics ------  Information and announcements  Q&A about words  Wordplay and fun  Words and languages in schools  Miscellany  Weekly Themes  Looking for (writers, speakers,... (Old) Weekly themes. (have been... ------  Words from medicine  Beheading words  Meta-words  Words from classical mythology  Animal Safari  Words with unusual etymologies  Eponyms or words derived from p...  Loanwords from German  English as a global language Print Thread Switch to Threaded Mode Show Likes Link Copied to Clipboard View Profile Private Message Follow User Forum Posts Like Summary View Profile Private Message Follow User Forum Posts Like Summary View Profile Private Message Follow User Forum Posts Like Summary Forum Statistics Forums16 Topics13,913 Posts229,372 Members9,182 Most Online3,341 Dec 9th, 2011 Newest Members Ineffable, ddrinnan, TRIALNERRA, befuddledmind, KILL_YOUR_SUV 9,182 Registered Users Who's Online Now 0 members (), 381 guests, and 1 robot. Key: Admin, Global Mod, Mod Top Posters(30 Days) wofahulicodoc 28 A C Bowden 25 LukeJavan8 3 Top Posters wwh 13,858 Faldage 13,803 Jackie 11,613 wofahulicodoc 10,561 tsuwm 10,542 LukeJavan8 9,919 Buffalo Shrdlu 7,210 AnnaStrophic 6,511 Wordwind 6,296 of troy 5,400

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