In the early 16th century, the debate on the Earth's motion was continued by Al-Birjandi ( d. 1528 ), who in his analysis of what might occur if the Earth were rotating, develops a hypothesis similar to Galileo Galilei's notion of " circular inertia ", which he described in the following observational test:

In the early 16th century, the debate on the Earth's motion was continued by Al-Birjandi ( d. 1528 ), who in his analysis of what might occur if the Earth were rotating, develops a hypothesis similar to Galileo Galilei's notion of " circular inertia ", which he described in the following observational test:

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