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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

A Leonid Meteor Explodes

Explanation: Tonight, a lucky few may see a meteor explode. Over the next 36 hours the Earth will pass unusually close to debris expelled from Comet Tempel-Tuttle , causing many sand-sized particles from this comet to enter and burn up in the Earth's atmosphere. This yearly phenomenon is known as the Leonids Meteor Shower , but the location the Earth passes through this year holds promise to provide particularly high activity. The 1998 Leonids was noteworthy for its many bright meteors. In the above slow-loading sequence , a 1998 Leonid was caught exploding over Los Alamos, New Mexico. In the last one-minute exposure, another Leonid streaks past. If tonight is clear, just grab a lawn chair and a warm jacket, go outside, and look up !

Date November 17, 1999
Credit Credit: ROTSE Team
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.