COLUMBUS, Ohio (AP) — Teaching modern astronomy with planetarium equipment that was built before astronauts landed on the moon is a tricky venture. And it’s a task that has troubled Ohio State ...

Since its opening, and until recent years, our Zeiss Model VIa optical planetarium projector has brought the wonder of the night sky to countless visitors. The Zeiss Company no longer services the ...

Grab this Prime Day star projector deal for 20% off the regular price and transform your home into a mini home planetarium or simply use it as an ambient night light. When you purchase through links ...

Pine-Richland High School students apparently don’t mind being left in the dark. Each year, about 200 of them request taking astronomy courses in the school planetarium, according to Michael ...