Imaginea Astronomica a Zilei

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

April 21, 1997
See Explanation.  Clicking on the picture will download 
 the highest resolution version available.

Big Sky Comet
Credit and Copyright:
Dewey Vanderhoff

Explanation: On April 17th, "Big Sky" country sure lived up to its name. The dark skies over the US states of Wyoming, Montana and the Dakotas were quite busy, as shown by this photograph featuring Comet Hale-Bopp. In the foreground is the Absaroka Mountain Range in Wyoming, lit by reflected moonlight. Just to the left of Jim Mountain's peak is Comet Hale-Bopp. The unusual colors visible on the far right are aurora, remnants of the recent solar storm recorded on the Sun. Across the middle of the photo are numerous bright stars, and across the top of the picture are clouds.

Imaginea de maine: Historic Optical Flash Fades


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Autori & editori: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
Reprezentanti tehnici NASA: Jay Norris. Specific rights apply.
Un serviciu al: LHEA at NASA/ GSFC
&: Michigan Tech. U.