عنوان
پدید آورنده
موضوع
رده
QB721.5 I833 9999
QB721
.
5
I833
9999
کتابخانه
محل استقرار
0380534541
9780380534548
b605315
How did we find out about comets?
[Book]
Isaac Asimov; illustrated by David Wool.
New York
Avon Books
1981, ©1975.
64 pages : illustrations ; 19 cm.
How did we find out series;
Includes index.
The phenomena of comets and astronomers' concepts about them are considered historically and in view of present knowledge.
Comets -- Juvenile literature.
Comets.
QB721
.
5
I833
9999
Isaac Asimov; illustrated by David Wool.
David Wool
Isaac Asimov
مطالعه متن کتاب [Book]
Y
