Monday night and Tuesday morning, Earth will travel through a comet's debris track. It may cause a meteor shower
NASA recommends 1 a.m. on the East Coast or 10 p.m. on the West Coast for viewing the tau Herculid shower. New moon means no moonlight to conceal meteors
NASA warned that bright, gloomy skies don't guarantee a spectacular show. Nothing could happen
Arnold Schwassmann and Arno Arthur Wachman discovered the commet SW3 in 1930
In the 1990s, the comet fragmented into bits, NASA reported
SW3 was in 70 pieces when it passed Earth again in 2006 and has continued to disintegrate since then
NASA's 2009 Spitzer Space Telescope scans showed that some debris are travelling rapidly enough to be seen
Around 30 observable meteor showers occur each year as Earth travels through a comet or asteroid's debris track
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