Did Martin Luther protested against the practice of selling indulgences by the Catholic Church?

Reformers rallied against the Roman Catholic Church's dogmatic theology, economic and religious exploitation of the common masses, and colonialization and conquest of indigenous peoples. ... Therefore, Luther's theology placed him in square opposition to the Roman Catholic practice of selling indulgences.

Explanation:

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.