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Explanation: Named for a forgotten constellation, the Quadrantid Meteor Shower puts on an annual show for planet Earth's northern hemisphere skygazers. The shower's radiant on the sky lies within the old, astronomically obsolete constellation Quadrans Muralis. That location is not far from the Big Dipper, at the boundaries of the modern constellations Bootes and Draco. In fact north star Polaris is just below center in this frame and the Big Dipper asterism (known to some as the Plough) is above it, with the meteor shower radiant to the right. Pointing back toward the radiant, Quadrantid meteors streak through the night...

If you enjoy the sight of "shooting stars" then make plans to be out looking skyward during the predawn hours on Wednesday (Jan. 4) when a strong display of Quadrantid meteors may appear. This first meteor shower of the year may end up being one of the best of 2012. To paraphrase Forrest Gump: The Quadrantid meteor shower is like opening up a box of chocolates; you never know what you're going to get! Indeed, the Quadrantids are notoriously unpredictable, but if any year promises a fine display, this could be it. Peak activity is due to occur early on...

QUADRANTID METEOR ALERT: Earth is about to pass through a narrow stream of debris from shattered comet 2003 EH1, source of the annual Quadrantid meteor shower. "Peaking in the wee morning hours of Tuesday, Jan. 4, the Quads have a maximum rate of about 100 per hour (varies between 60 and 200)," says Bill Cooke of NASA's Meteoroid Environment Office. "What makes this year so special is that the Moon is New on the night of the peak, so there will be no interference from moonlight." PARTIAL SOLAR ECLIPSE: After the meteor shower, observers in Europe, northern Africa, the Middle...