MadSci Network: Astronomy

Subject: Why are stars arranged in circles.

Date: Fri May 15 15:25:43 1998
Posted by Donald W. Shelley
Grade level: other
School: No school entered.
City: Glendale State/Province: Arizona
Country: USA
Area of science: Astronomy
ID: 895263943.As

In many photos of star fields, there frequently are groups of
stars appearing as some portion of a circle. Often as if viewed
from some oblique angle. The "circle of stars"  is usually
an incomplete circle and often distorted. In some photos (most
of what I refer to is contained in the "Astronomy" magazine),
several can be seen.
Is this the result of supernovas occurring in the distant past?
Thanks for your answer!

Re: Why are stars arranged in circles.

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