What the Heck Is free dataset?

http://griffinkdmv713.lucialpiazzale.com/10-things-you-learned-in-kindergarden-that-ll-help-you-with-data-analysis

By doing this you can become a professor, who teaches the wonders of astronomy, or probably even receive a posture at NASA. That would be wonderful! Think about telling folks you are aware that you work for NASA.