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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.

Green Fireball

Explanation: “Goodness, Gracious, Green Balls Of Fire!”, might have been an appropriate theme song title for the 1998 Leonid meteor shower . Many observers , like astrophotographer Steve Dunn watching from Cape Canaveral, Florida, USA, reported that a lot of the characteristically bright Leonid meteors had a greenish tint. Around 6:00 AM EST on November 17, he photographed this dazzling Leonid fireball leaving a striking green-to-white trail against a background of stars in the constellation Coma Berenices . Dunn comments that he considers himself a green novice observer, but is now anticipating next November's appearance of the Leonids shower .

Date November 20, 1998
Credit Credit and Copyright: Steve Dunn
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.