Find solutions to your questions with the help of IDNLearn.com's expert community. Our platform provides accurate, detailed responses to help you navigate any topic with ease.

What are some facts about Explorer IV spacecraft?
I don't need long sentences.


Sagot :

Answer:

-launched on July 26, 1958

-the mission remained secret from the public for six months

-was designed to further investigate the radiation belt around Earth

-the mission lasted 71 days

Explanation:

Answer:

Explorer 4 was identical in size to the earlier Explorers but was over 3 kg heavier, primarily due to a larger instrument payload. The satellite was a 2.03 m long, 0.15 m diameter cylinder and nosecone that comprised the fourth stage of the Jupiter-C launch vehicle. The on-orbit mass (after fuel burnout) was 17.43 kg. The spacecraft body was made of stainless AISI-410 steel, 0.058 cm thick. The surface was sandblasted, no aluminum oxide striping was used as on earlier Explorers.

Explanation: