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Episodes Tagged with "Explorer 1"

Posted on March 5, 2015

Many historians agree, the U.S. took its first step toward the moon in the spring of 1957, four years before President Kennedy declared the national goal of landing a man on the Moon, and returning him safely to the Earth. While still preparing for t...

12-Second stage (S-IV)

11-Booster stage (S-I)

10-Proposed C-2

9-C-1 and earlier vehicles

8-Model of blockhouse at Launch Complex 34

7-Vehicles using Titan and Atlas stages

6-Saturn C

5-Saturn B

4-Preliminary concept of Launch Complex 34, Cape Canaveral

3-Early H-1 Engine

2-Thor-Jupiter engine

1-Proposed configuration of a clustered booster

Posted on March 12, 2015

Just as launch complex 34 dwarfed its predecessors, Saturn’s checkout represented a new magnitude in launch operations. The Saturn C-1 stood three times higher, required six times more fuel, and produced ten times more thrust than the Jupiter. Its si...

Lifting the first stage from the transporter

Hoisting the stage in vertical attitude

Erecting the upper stages

Early design concepts of C-1 and C-5 versions of the Saturn launch vehicles

16-Unloading Compromise in Florida

15-S-I and S-IV stages aboard the Compromise

14-Booster movement around Wheeler Dam

11-Launch Complex 34

10-Configurations of Saturn flight vehicles

9-Saturn Barge route

7-Six-engine configuration of the S-IV stage

6-Redesigned tail of the Saturn booster

5- The barge Palaemon

3-First horizontal mating of the Saturn vehicle

2-Movement of dummy S-IV stage to checkout

Posted on March 18, 2015

No previous maiden launch had gone flawlessly, and the Saturn C-1 was considerably more complicated than any rocket launched thus far. Launch Operations Directorate officials gave the rocket a 75% chance of getting off the ground, and a 30% chance of...

To assemble the large Saturns, NASA needed a plant, preferably one already built. The Michoud facility (above), close to New Orleans, suited the requirements

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Modules of the Apollo spacecraft were tested in Florida in the Manned Spacecraft Operations Building. Above, NASA officials Walt Williams, Merritt Preston, Kurt Debus, Brainerd Holmes, and Wernher von Braun

Maiden launch of the Apollo program- Saturn SA-1 from Cape Canaveral, 27 October 1961

First Saturn Launch

Liftoff of Saturn I. Note the long cable mast falling away on the right

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Abe Silverstein, NASA’s Director of Space Flight Development, is shown touring a rocket engine facility

1-Launch Complex 34, blockhouse interior

Posted on May 23, 2013

At approximately 12:48 a.m. EST, the first listening stations began reporting that they had received radio signals from the “Explorer” satellite. The first station to confirm the signals was the San Gabriel Valley Amateur Radio Club near Pasadena, Ca...

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Posted on June 6, 2013

The launch vehicle for the Luna E-1 series was a modified R7 named Vostok.  The Vostok had three stages.  The first and second stage were the standard R-7 which we covered in Episode 9.  A 5.1 meter long by 2.4 meter diameter third stage was added to...

Vostok – 8K72K

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Posted on August 15, 2013

Over 52 years ago, in the early hours of May 5th, 1961 the US prepared to launch its first man into space. Three weeks earlier, the Soviet Union had sent Yuri Gagarin on an orbital mission. This was a suborbital mission planed to last only 15 minutes...

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Posted on July 3, 2014

The Zond program was one of two lunar exploration programs conducted by the Soviet Union to investigate the Moon and its vicinity. The program began in 1964 and ended in 1979. The early Zond’s 1-3 were originally designed for planetary exploration, w...

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Posted on June 24, 2015

Over 52 years ago, in the early hours of May 5th, 1961 the US prepared to launch its first man into space. Three weeks earlier, the Soviet Union had sent Yuri Gagarin on an orbital mission. This was a suborbital mission planed to last only 15 minutes...

Posted on September 24, 2015

Mercury-Redstone 4 was the fourth mission in the Mercury-Redstone series and the second U.S. manned suborbital spaceflight. The mission was essentially a repeat of Alan Shepard’s Freedom 7 flight.   So why was it necessary to launch another sub-orbit...