Why do astronauts talk to each other through radio telephone?

0 507 Views | Posted 8 years ago
Asked by Kinshu jain

  • 1 Answer

  • Shiksha Ask & Answer

    Answered by

    Adhyyan Raj | Contributor-Level 8

    8 years ago
    Dear Kinshu,
    The moon or the space has no air. Since sound waves require a material medium to propagate. Therefore, they use radio waves which are electromagnetic waves. These waves do not require any material medium for propagation and hence can be picked by the radio receiver.

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