Radio echo method is used to determine very long astronomical distances.

True

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False

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Solution

The correct option is A
True

For measuring long astronomical distances, special methods like Radio echo method, laser pulse method and parallax method are adopted.

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Radio echo method is used to determine very long astronomical distances.

The correct option is A True For measuring long astronomical distances, special methods like Radio echo method, laser pulse method and parallax method are adopted.

The correct option is A
True

For measuring long astronomical distances, special methods like Radio echo method, laser pulse method and parallax method are adopted.