ID: 27760978
Closed
Bidding has ended on this item.
1968 Explorer 24 & 25 Particle Bombardment study for Apollo Lunar Landing
$5.50
Seller:
honestyplus (7231)
Current Bid: $5.50
Bids: 15
Condition:Explorer 24 was placed in orbit together with Explorer 25 from a single launch vehicle. The spacecraft was 3.6 m in diameter, was built of alternating layers of aluminum foil and plastic film, and was cove ... Read More
Item Specifics
- Country
- United States
- Stamp Format
- Single
Item Description
Condition:Explorer 24 was placed in orbit together with Explorer 25 from a single launch vehicle. The spacecraft was 3.6 m in diameter, was built of alternating layers of aluminum foil and plastic film, and was covered uniformly with 5.1-cm white dots for thermal control. It was designed to yield atmospheric density near perigee as a function of space and time from sequential observations of the sphere's position in orbit. To facilitate ground tracking, the satellite carried a 136-MHz tracking beacon. The satellite reentered the earth's atmosphere on October 18, 1968.Explorer 24 was placed in orbit together with Explorer 25 from a single launch vehicle. Explorer 24 was identical in configuration to the previously launched balloon satellites Explorer 9 and 19. The spacecraft was 3.6 m in diameter, was built of alternating layers of aluminum foil and plastic film, and was covered uniformly with 5.1-cm white dots for thermal control. It was designed to yield atmospheric density near perigee as a function of space and time from sequential observations of the sphere's position in orbit. To facilitate ground tracking, the satellite carried a 136-MHz tracking beacon. The satellite reentered the earth's atmosphere on October 18, 1968.
American Philatelic Society dealer member
American Numismatic Association life member
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Seller Information
- Seller
- honestyplus (7231)
- Registered Since
- 01/10/2007
- Feedback
- 100%
- Store
- Lewis Burchett
Bids History
| Bidder | Amount | Date |
|---|---|---|
| safetyman (776) | $5.50 | 08/08/2019 18:26:58 |
| vcl59 (767) | $5.00 | 08/08/2019 18:26:58 |
| vcl59 (767) | $4.81 | 08/08/2019 18:26:36 |
| safetyman (776) | $4.56 | 08/08/2019 18:26:36 |
| vcl59 (767) | $4.30 | 08/07/2019 20:37:13 |
| Taludorf (620) | $4.05 | 08/07/2019 20:37:13 |
| vcl59 (767) | $3.80 | 08/07/2019 20:36:51 |
| Taludorf (620) | $3.55 | 08/07/2019 20:36:51 |
| vcl59 (767) | $3.30 | 08/07/2019 20:36:23 |
| Taludorf (620) | $3.05 | 08/07/2019 20:36:23 |
| vcl59 (767) | $2.80 | 08/07/2019 20:36:04 |
| Taludorf (620) | $2.55 | 08/07/2019 20:36:04 |
| vcl59 (767) | $2.01 | 08/06/2019 05:53:09 |
| safetyman (776) | $1.76 | 08/06/2019 05:53:09 |
| safetyman (776) | $0.01 | 08/04/2019 01:13:28 |
Sales History
| User | Price | Quantity | Date |
|---|---|---|---|
| safetyman (776) | $5.50 | 1 | 08/08/2019 20:55:03 |
- Item Location
- Arkansas, United States
- Ships To
- United States
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- Returns Accepted
- Yes
- Returns Policy
- Money Back - Returns Accepted within 60 Days (Buyer pays Shipping Cost)
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