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  First images of Earth from space (10.24.1946)

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Author Topic:   First images of Earth from space (10.24.1946)
Robert Pearlman
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Posts: 42988
From: Houston, TX
Registered: Nov 1999

posted 10-24-2016 12:22 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
From NASA's History Office:
70 years ago today in 1946, White Sands Missile Range scientists launched V-2 No. 13 and took the first pictures of Earth from space, 105 km up.

Further on the topic from Motherboard:

This Monday marks the 70th anniversary of the day we first saw the planet from this extraordinary, quasi-alien vantagepoint; a pivotal event that occurred on October 24, 1946, at the White Sands Missile Range in New Mexico.

Snapped from an altitude of 65 miles by a Devry 35-millimeter motion picture camera, the black-and-white image captures the Earth’s curvature and the sweep of cloud cover over the American Southwest.

Kite
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Posts: 831
From: Northampton UK
Registered: Nov 2009

posted 10-24-2016 02:22 PM     Click Here to See the Profile for Kite     Edit/Delete Message   Reply w/Quote
That is really interesting Robert. Never seen that before. How quickly things developed (excuse the pun).

Wehaveliftoff
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Posts: 2343
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Registered: Aug 2001

posted 12-15-2016 02:19 PM     Click Here to See the Profile for Wehaveliftoff     Edit/Delete Message   Reply w/Quote
The resolution is not much different from the not-so-clear film of Apollo 11's first steps on the moon. I always wondered what camera/film equipment they used to capture that and wish it was a far better resolution then we saw.

Robert Pearlman
Editor

Posts: 42988
From: Houston, TX
Registered: Nov 1999

posted 12-15-2016 05:57 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
For a good summary of why the Apollo 11 TV resolution was what it was, see: The Apollo 11 Telemetry Data Recordings: A Final Report.

In brief, it was a matter of bandwidth and format conversion.

All times are CT (US)

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