from Hacker News

Earth and Sun

by mmackh on 10/17/19, 2:07 PM with 2 comments

  • by DrScump on 10/18/19, 9:03 AM

    This is awesome. This would be useful for every science teacher and student.
  • by marzetti on 10/18/19, 7:08 AM

    Thank you! A beautiful article!