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APOD
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.
A Milky-Way Band
Explanation: Most bright stars in our Milky Way Galaxy reside in a disk. Since our Sun also resides in this disk, these stars appear to us as a diffuse band that circles the sky. The above panorama of a southern band of the Milky Way's disk was taken from Australia . A 40-minute exposure was used, and the colors were digitally enhanced. Visible are many bright stars , dark dust lanes , red emission nebulae , blue reflection nebulae , and clusters of stars . In addition to all this matter that we can see, astronomers suspect there exists even more dark matter that we cannot see.
| Date | February 24, 1999 |
|---|---|
| Credit | Credit & Copyright: John P. Gleason, Celestial Images |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |