Astronomy Picture of the Day ·
The Sloan Great Wall: Largest Known Structure?
The Astronomy Picture of the Day for November 7, 2007 is “The Sloan Great Wall: Largest Known Structure?,” an image. The picture is copyrighted by its creator (Credit & Copyright: W. Schaap (Kapteyn Institute, U. Groningen ) et al., 2dF Galaxy Redshift Survey). The original explanation runs about 172 words.
From the explanation
“What is the largest structure known? The answer might depend on how one defines “structure.””
— APOD editors, November 7, 2007
Read the full explanation on science.nasa.gov
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At a glance
- Date
- November 7, 2007
- Type
- Image
- Credit
- Credit & Copyright: W. Schaap (Kapteyn Institute, U. Groningen ) et al., 2dF Galaxy Redshift Survey
- Copyright
- Copyrighted by the credited creator. Ask the copyright holder before reusing it.
- Explanation length
- About 172 words