Improved technology, his cross-disciplinary knowledge of astronomy and biology, and funding for scientific research supported his search for life on other planets. Secondary sources are descriptions or interpretations prepared by people who were not involved in the events described. Researchers often use primary sources to understand past events but they produce secondary sources. Secondary sources provide useful background material and context for information gained from primary sources. Secondary sources are descriptions or interpretations prepared by people who were not involved in the events described.
Researchers often use primary sources to understand past events but they produce secondary sources.
Secondary sources provide useful background material and context for information gained from primary sources. The view that the present well-being of mankind should predominate over religious considerations in civil or public affairs is termed secularism. In common usage, the term means indifference to or rejection of religious ideas. Secularism has increased in the 20th century as more people worldwide have exercised their right to choose whether to worship in an organized religion. It has caused some traditions to change.