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Collection Highlights: The Bond Death Masks

On February 4, 1921, Solon Bailey penned a letter in confirmation of the recent acquisition of two curious objects into the Harvard College Observatory collections. “My dear Mr. Bond,” he wrote, “the plaster casts of Professor William C. Bond and his father, William Bond, are received. The Observatory will care…

June Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and excited for the summer! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the history…

Visual Astronomy Display: June 2022

Earth's moon against a black background. Because of the total lunar eclispse, the moon has a reddish hue.

Highlights… Observe the difference in resolution between Spitzer and JWST; See plants grown in lunar soil from Apollo missions; ESA explains the formation of the moon using a cheesecake recipe; SciShow reviews how a newly discovered exoplanet challenges theories of planet formation; PBS SpaceTime asks: what if physics is not describing reality?  Extras… If you missed the CfA’s…

Wolbach Library and the Glass Plate Collection

A glass plate negative backlit by a white light. The plate has a spray of dark stars and a few large groupings of stars.

We are happy to share that HCO’s Astronomical Photographic Glass Plate Collection is now part of the Wolbach Library! This change was initiated to ensure that all projects associated with the Plates, including ongoing digitization efforts, are able to take full advantage of the resources available through Wolbach’s connections to…

May Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and excited for the summer! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the history…

Visual Astronomy Display: May 2022

Highlights… Pearl Jam’s Eddie Vedder interviews astronauts on the ISS; Watch Perseverence‘s recording of a Martian solar eclipse; Seeker explains how the Parker Solar Probe “touched” the sun; Hubble spots an ancient rapidly growing black hole; Cool Worlds breaks down how FTL travel would lead to time paradoxes! Playlist Archive Suggestions, Comments, or Questions

April Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and enjoying the beginning of spring! As always, thank you for remaining interested in our work and for volunteering your time to help with our research and learn about the…

Visual Astronomy Display: April 2022

A side view of the surface of the sun which is dark red with orange spots and has a yellow halo. The sun takes up 3/4s of the image. On the left in the sun's halo is a black spot: Mercury.

Ramadan Mubarak and happy spring! Highlights…  NASA studies the interactions of Mercury’s magnetic field and solar wind; HR 6819 may not be the closest black hole to Earth after all; Fermilab discusses photons and momentum; The ISS is now in its final years of operation; PBS Space Time asks: could the universe be inside a black hole? Playlist Archive Suggestions, Comments,…

March Star Notes Update

Hello everyone, This is Sydney and Nico, Star Notes and Project PHaEDRA researchers. We hope you are all doing well and looking forward to the Spring! As always, thank you for remaining interested in our work and for volunteering your time to help with research and learn about the history…

Visual Astronomy Display: March 2022

A black and white three quarters perspective portrait bust drawing of Benjamin Barker, an African American man in a jacket and cravat. To his right is a scan of his Farmer's Almanac.

In honor of #BlackHistoryMonth, this month’s playlist includes interviews of Black astronomers. Highlights… Learn about Benjamin Banneker, an early African American Quaker and astronomer; The Maniitsoq structure may not be an impact crater; See the Chinese space stations’ robotic arm in action; PBS Space Time discusses the wave function and object-collapse theories; Astronomer Derrick Pitts discusses: “why are…