عنوان
پدید آورنده
موضوع
رده
QB843.B55 A85 1978
QB843
.
B55
A85
1978
کتابخانه
محل استقرار
0802763375
b524480
How did we find out about black holes? /
[Book]
Isaac Asimov ; illustrated by David Wool
New York :
Walker,
1978
64 p. :
ill. ;
22 cm
How did we find out ... series
Includes index
Discusses why scientists believe in the existence of black holes, what they are, how they are formed, and how they are detected
Black holes (Astronomy)-- Juvenile literature
523
.
8
QB843
.
B55
A85
1978
Asimov, Isaac,1920-1992
Wool, David
19980630134512.0
مطالعه متن کتاب [Book]
Y
