Dr. Meredith MacGregor to Speak as Featured Guest for the Nantucket Maria Mitchell Association’s Science Speaker Series

Kelly Bernatzky • June 23, 2021

On June 30 at 7pm, the Nantucket Maria Mitchell Association (MMA) is hosting a live lecture presented by Dr. Meredith MacGregor. Her talk, “What’s the Space Weather Like on Proxima Centauri?” is part of our FREE Science Speaker Series and will be held via Zoom.


Stars (including our Sun) are active, periodically releasing bursts of high energy radiation called flares. These flares can destroy molecules in the atmospheres of nearby exoplanets and potentially even erode those atmospheres entirely. In order to understand whether any of our nearest neighbors are in fact habitable, we need to determine how frequent and how powerful these flares are. Dr. MacGregor will present recent discoveries from multi-wavelength observing campaigns, including the largest flare ever detected from Proxima Centauri, the closest star to us that also hosts a potentially habitable planet. These new results are changing how we think about space weather and the potential for life on other planets — come learn how to be an astronomical meteorologist!


Dr. Meredith MacGregor is an assistant professor in the Department of Astrophysical and Planetary Sciences (APS) at the University of Colorado Boulder. Her research group uses multi-wavelength astronomical observations to explore the formation and habitability of planetary systems. Her work has been widely covered in the popular press including Scientific American, Science News, and National Geographic. She is a Scialog Fellow, the Co-Chair of the NASA Infrared Science Interest Group, and the Associate Director of the Center for Astrophysics and Space Astronomy (CASA). Dr. MacGregor is an alumna of the Maria Mitchell Observatory (MMO) National Science Foundation Research Experiences for Undergraduates (NSF-REU) program. She later was a NSF Astronomy and Astrophysics Postdoctoral Fellow at the Carnegie Institution for Science, Earth & Planets Laboratory in Washington, D.C. after completing her Ph.D. in Astrophysics at Harvard University in 2017. 


To register for this event, please follow the link below:

https://zoom.us/webinar/register/WN_nwdu6SHbQfGjgiZP7orLHQ

 

For the full Science Speaker Series schedule, please visit our website here:

https://www.mariamitchell.org/science-speaker-series

 

This series is generously presented by our lead sponsor, Bank of America, and additional sponsors, Cape Air, Cisco Brewers, and White Elephant Resorts


The Maria Mitchell Association is a private non-profit organization. Founded in 1902, the MMA works to preserve the legacy of Nantucket native astronomer, naturalist, librarian, and educator, Maria Mitchell. The Maria Mitchell Association operates two observatories, a natural science museum, an aquarium, a research center, and preserves the historic birthplace of Maria Mitchell. A wide variety of science and history-related programming is offered throughout the year for people of all ages.

For Immediate Release

June 23 2021

Contact: Kelly Bernatzky, MMA Development Associate

kbernatzky@mariamitchell.org

Recent Posts

July 7, 2026
NANTUCKET, MA— The Nantucket Maria Mitchell Association (MMA) is excited to announce the return of its Fourth Annual MMA Pop-Up Shopping Event, taking place July 13–15, 2026, at 33 Washington Street . The three-day event will bring together more than fifteen thoughtfully curated, female-founded brands for an elevated shopping experience, with 15% of vendor sales benefiting the Maria Mitchell Association's new Discovery Center & Aquarium Project. The annual pop-up has quickly become a summer tradition, offering island residents and visitors the opportunity to discover unique fashion, home décor, accessories, art, jewelry, gourmet foods, and lifestyle brands while supporting one of Nantucket's most beloved nonprofit organizations. This year’s vendors include Center & Spring, CJW, Classic & Curious Podcast with Anne Kokoskie, Dress More with Less, Haute Energy, Hibiscus Linens, Leigh Brown, Line in the Sand, Love All Tennis, Lulu Powers, Marfa Stance, MDVII, Michela Bruni Reichlin, Neelah Cashmere, The Preppy Stitch, Those Carls Girls, and Wendy Loves This. The event kicks off with an opening party on Monday, July 13, featuring the second annual Summer Games: Mahjong & Backgammon Tournament, presented by the Nantucket Mahjong Club . Guests will enjoy a late afternoon of friendly competition, shopping, Château Sainte Marguerite rosé, a Triple 8 cocktail by Tinker’s Bar , Caviar Nantucket , Shells Angels Raw Bar, Nantucket Nosh, and entertainment by DJ Garrett Justice . One hundred percent of tournament proceeds from the tournament will benefit the MMA Discovery Center & Aquarium Project. The shopping event will continue on Tuesday, July 14 and Wednesday, July 15 with fifteen percent of all vendor sales to benefit the Maria Mitchell Association's Discovery Center & Aquarium Project. Three-Day Event Details at 33 Washington Street: MMA Opening Party with Summer Games: Mahjong & Backgammon Tournament Monday, July 13 4:00–7:00 p.m. MMA Pop-Up Shopping Event Tuesday, July 14 & Wednesday, July 15 10:00 a.m.–4:00 p.m. For vendor information, and additional details, visit https://www.mariamitchell.org/2026-summer-pop-up About the Maria Mitchell Association: The Maria Mitchell Association is a private non-profit organization. Founded in 1902, the MMA works to preserve the legacy of Nantucket native astronomer, naturalist, librarian, and educator, Maria Mitchell. The Maria Mitchell Association operates two observatories, a natural science museum, an aquarium, a research center, and preserves the historic birthplace of Maria Mitchell. A wide variety of science and history-related programming is offered throughout the year for people of all ages. ###
By Jascin N. Leonardo Finger July 6, 2026
July 15. {1863} My dear Sally . . . I think Mitchell is all right in his algebra. He can’t stand an examination in Trig but I don’t believe he will have a rigorous one. Father has seen the Prof. and will give him a letter to them.  If you can’t be honest with your sibling, who can you be honest with? Apparently, Sally Mitchell Barney’s son, William Mitchell Barney – known as Mitchell as his cousin William Mitchell Barney was known as Willie (how is that for honoring your father?!) – was visiting his aunt Maria and his grandfather, William Mitchell, at their home in Lynn, MA. Sally still lived on Nantucket and I suspect Mitchell was not only visiting but getting some much needed help with his mathematics by his aunt Maria. As always, she is brutally honest – he won’t pass a test in trigonometry (but, neither would I!). JNLF
July 1, 2026
“If you don’t look, you don’t see. You have to go and look.” -Edith Andrews
Show More