Artist Ligia Bouton first discovered about astronomer Henrietta Swan Leavitt throughout a 2019 tour of the College’s famed Plate Stacks, which home greater than half one million historic glass-plate negatives and spectral photos of the night time sky.
Leavitt was among the many practically 150 feminine scientists who catalogued the pictures through the late nineteenth and early twentieth centuries, working as “astronomical computer systems” on the Harvard School Observatory. She turned the primary to plot a method to successfully measure distances to distant galaxies after noting particular star luminosity patterns. Leavitt’s contributions, which paved a path to fashionable astrophysics, went largely unsung throughout her lifetime, on account of her gender in addition to her premature demise from most cancers at 53.
Leavitt’s story stirred Bouton, who seeks to infuse appropriated historic narratives, notably forgotten histories of ladies, into her sculpture and pictures. And it resulted in a brand new exhibition that pays homage to the researcher whose work has proved essential to scientists in search of to find out the dimensions and scope of our universe.
“I take into consideration how completely different time durations affected ladies’s means to do their work, and what sorts of obstacles they confronted,” mentioned the Mount Holyoke School professor.
“25 Variable Stars: A Momentary Monument for Henrietta Swan Leavitt,” opened this summer season on the short-term entrance to the northbound Purple Line MBTA station at Kendall/MIT in Cambridge. The dynamic, lenticular pictures depict the periodic luminosity of 25 Cepheid variable stars that Leavitt first used to determine galactic distances.
Writing in a 1912 publication, Leavitt detailed her discovery that Cepheid stars — captured on glass plate pictures nonetheless housed on the Harvard School Observatory — pulsed in a predictable manner. She documented a relationship between the dimensions of every star and the way shortly it pulsed, resulting in the primary system for measuring far distances within the universe.
The legacy of Leavitt’s discovery is immense, in accordance with the Middle for Astrophysics | Harvard & Smithsonian. “Leavitt’s Legislation,” as her findings turned recognized, have been finally utilized by Edwin Hubble to show that the universe is product of a number of galaxies. It’s nonetheless used at the moment to trace the enlargement of the universe and to ascertain relative distances to new galaxies, black holes, and supernovae.
Thom Burns, curator of astronomical pictures on the Plate Stacks, labored with Bouton and colleagues on the Middle for Astrophysics on supporting supplies and is organizing a free artist’s speak with Bouton on July 24. Middle for Astrophysics Director Lisa Kewley wrote accompanying textual content that now hangs alongside the items.
“This set up has not solely given a possibility to share the superb story of Leavitt, but in addition showcases the fantastic creative talent and imaginative and prescient that Ligia Bouton has,” Burns mentioned in an e-mail. “She has created a collection of those altering stars that captivate the general public, create surprise, and even will get the busy commuter to take a second to understand a pioneering lady of the previous and to think about what different secrets and techniques the universe holds.”
The “25 Stars” exhibition made its debut in Copenhagen in 2023. Bouton later proposed it to the MBTA, she mentioned, as a result of she needed it proven within the metropolis the place Leavitt had lived and labored. The sense of movement within the portraits additionally felt in step with the bustle of commuter site visitors, Bouton mentioned.
Each bit now hanging on the busy T cease was created by layering a number of pictures of hand-blown glass objects. In lenticular printing, a lens is utilized to the floor of a digitally manipulated {photograph} to supply the phantasm of motion when it’s considered from completely different angles.
The star “portraits” include photos starting from physique elements to bugs to vegetation, representing facets of Earthly life. Bouton honored Leavitt’s analysis in every particular person work by incorporating the variety of pictures equivalent to the variety of days it takes a specific Cepheid variable star to dim from brightest to smallest. The most important items include 30 pictures, for 30 days.
Bouton hopes her artwork will deliver publicity to the extraordinary legacy of scientific discovery Leavitt left behind.
“I hope it’s simply kind of extraordinary sufficient that it both catches folks otherwise, or possibly they may grow to be somewhat bit and discover out about her,” Bouton mentioned.
The set up will probably be on show for about 18 months. Venture sponsors included the Middle for Astrophysics | Harvard & Smithsonian, BXP, the Massachusetts Bay Transportation Authority, Mount Holyoke School, Visible Research Workshop, Cambridge Arts, Mass Cultural Council, and the Smithsonian Artist Analysis Fellowship.