Leonids Meteor Shower
The Leonids is a meteor shower that is related to the Comet Tempel-Tuttle. As the Comet Tempel-Tuttle moves across the universe it leaves debris in its path. Every November, Earth moves through this path of debris and it creates a meteor shower. This meteor shower is called the Leonids because the shower can be seen close to the constellation Leo.
The Leonids reappeared in 1966. Scientists decided to investigate further and found that the Leonids have occurred since 900AD. In 1981, scientist Donald K. Yeomans tracked the orbit of Comet Tempel-Tuttle. He published a graph of the orbit in the magazine Sky and Telescope in 1996. The next large meteor shower was scheduled to occur in 1998. That year, scientist and observers were ready for the show. Scientists studied the shower's effect on the moon that year. Findings showed that the shower did not impact the moon. Faculty at Kazan University decided to try to predict when meteor showers would occur and used the Leonids to create these predictions. They were successful in predicting meteor showers in 1999, 2000 and 2001.
The Leonids in 2000, 2001 and 2002 produced up to 3,000 meteors per hour. In 2000, the moon was in the direct line of fire and many meteors bounced off the moon causing a spectacular dust cloud. This is speculated to be what occurred during the great Leonid shower of 1833. It will be decades before another shower like the one in 1833. Today, many scientists are studying the effects of pressure, the Yarkovsky effect and the Poynting-Robertson effect on the meteors.
When can I see the Leonid Meteor Shower?
The Leonid Meteor Shower occurs each year from November 10 through November 22. The days can vary from year to year as the exact dates of the shower are hard to predict.
Where should I look to see the Leonid Meteor Shower?
To view the Leonid Meteor Shower, look at the constellation Leo which is located in the northern sky between the constellations Cancer in the west and Virgo in the east.
What can I expect to see?
When a comet flies through the universe, it loses chunks of frozen gasses. These gases will evaporate as they get close to the sun. When the Earth hits these gases, they are moving at a speed of 72 km/s. This creates huge fireballs. One can expect to see a few meteorites each minute and around 1,000 per hour. On average, 12 tons of gasses and particles will hit the earth.
The song "Stars Fell on Alabama" which was written by Frank Perkins and Mitchell Parish in 1934. It is about the 1833 Leonid Meteor Shower. Here are the lyrics:
And the stars fell on Alabama,
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