How far away are the stars? In a time when women did the laborious and detailed tasks of analyzing the photographic images of stars, Henrietta Leavitt observed a pattern in the brightening and dimming of certain stars she analyzed. What did she find? The result was a powerful tool, now known as Leavitt's Law, which helps us answer this question.
Presentation designed to enhance the experience of seeing play but may be enjoyed independently.
Perserverance Theatre presented the play Silent Sky by Lauren Gunderson. From their website:
She changed the way we see the stars.
The year is 1900 and the world abounds with curiosity about what lies beyond the clouds. When Henrietta is given the opportunity to work at the Harvard Observatory mapping the stars, she leaves home to follow her dreams of scientific exploration. But when she arrives, she learns that she won’t even be allowed to touch Harvard’s telescope – the Great Refractor. Henrietta, however, will not be dissuaded as she embarks on a journey of discovery that has a profound and lasting impact on the field of astronomy.
Often, night sky books are written for latitudes in the lower 48. What can you see here in Juneau with your naked eye? What more opens up with binoculars or telescopes?
Join Rosemary Walling and David Henson to find out
This is part of the Mendenhall Glacier's free Fireside Chat program.
Presentation will include astrophotography by Dave Hanson.
First public show using new digital projector. Given at planetarium. It was a variation of above show at visitor's center.
Two shows by Rosemary and Dave.
Photo by Michael Orelove of his garden
Planetarium closed in mid March due to Covid-19. Cancelled shows included;