Regarding Sputnik
by
John F. Heard, Ph. D.
Director
David Dunlap Observatory
University of Toronto
File:
Attachment | Size |
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![]() | 352.15 KB |
![]() | 124.82 KB |
Year:
1957
Pages:
4
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Regarding Sputnik
by
John F. Heard, Ph. D.
Director
David Dunlap Observatory
University of Toronto
Attachment | Size |
---|---|
![]() | 352.15 KB |
![]() | 124.82 KB |