Our next NSS PASA meeting date

03-09-2024: NSS PASA will be at the Blue Room, and a Temple Zoom session will continue to take place.

Friday, April 20, 2012

Philadelphia Science Festival 2012 Derrick Pitts mans a telescope used for sun spot display and discussion

Philadelphia Science Festival 2012 Derrick Pitts mans a telescope used for sun spot display and discussion

Posted by at
Labels:

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)