- We no longer answer questions on this topic,
to concentrate our limited resources on questions on space based
astrophysics and closely related areas (see this
page for more explanation).
- Check out the resource links. These are the sites we used to
point to in answering your questions.
- Browse through the library of questions below.
We may have already answered your questions.
- Also try our Ask an Astrophysicist
Search Engine!.
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