Background
The attenuation, interstellar dust and stars in the plane of the Milky Way (the galactic plane) obstruct our view of around 20% of the extragalactic sky at visible wavelengths. As a result, optical galaxy catalogues are usually very incomplete close to the galactic plane.
Read more about this topic: Zone Of Avoidance
Famous quotes containing the word background:
“In the true sense one’s native land, with its background of tradition, early impressions, reminiscences and other things dear to one, is not enough to make sensitive human beings feel at home.”
—Emma Goldman (1869–1940)
“They were more than hostile. In the first place, I was a south Georgian and I was looked upon as a fiscal conservative, and the Atlanta newspapers quite erroneously, because they didn’t know anything about me or my background here in Plains, decided that I was also a racial conservative.”
—Jimmy Carter (James Earl Carter, Jr.)
“... every experience in life enriches one’s background and should teach valuable lessons.”
—Mary Barnett Gilson (1877–?)