STARPIXELS SOURCE CHECKLIST 1. State the exact claim in plain language. 2. Check the date and update history. 3. Prefer a mission, observatory, agency, paper, or university source. 4. Separate measurement from inference. 5. Name uncertainty and competing explanations. 6. Verify image rights on the source landing page. 7. Link the companion page and the primary source. 8. Label personal experience, sponsorship, and affiliate relationships. Learn. Wonder. Think alongside.