Work on issue 1 of volume 2 (2021) of Aestimatio: Sources and Studies in the History of Science is underway.

Thus, far, we have:

Lis Brack-Bernsen
The Babylonian Dodecatemoria and Calendar Texts: Inverse Schemes for Determining Position and Times for the Schematic Sun and Moon

Igor H. De Souza,
The Creation of the World in Jewish Esoteric Philosophy

José Chabás and Bernard R. Goldstein
The Tabulae eclypsium by Giovanni Bianchini

Sonja Brentjes
The Stars on the Sky and the Globe: ʿAbd al-Raḥmān ibn ʿUmar al-Ṣūfī (291–376/ 903–986)

and 23 reviews by 
Stefan Bojowald, Nicholas Aubin, Teije de Jong, Courtney Ann Roby, Alberto Bernabé, Todd Curtis, Helen R. Jacobus, Émilie Villey, Christina Maria Hoenig, Markham J. Geller, David Juste, Gabriele Ferrario, Gustavo Fernandez Walker, Julien Devinant, Baudouin Van den Abeele, Nicola Polloni, Aileen Das, Pietro Rossi, Roger Bagnall, Lorenzo Verderame, and Franziska Desch

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Issue 2 of volume 2 (2021) is still in its early stages

If all goes well and the pandemic does not push it back to volume 3, Aestimatio 2.1 will be a thematic issue entitled “Astroscapes: From Ancient Greece to Tangata Moana” that compares the nature and role of astronomy in Greek culture of the ancient Mediterranean and in Māori culture of Aotearoa New Zealand. While on the surface it will seem that these cultures have nothing in common across such vast times and space, it is remarkable how much they share when it comes to astronomy. Both cultures used astronomy in similar ways in secular and sacred contexts, and both cultures still “talk” to us: ancient Greek culture was highly literate and has left records of its use of astronomy, while Māori culture is alive and remembers its past through its oral traditions (mōteatea, whakataukī, karakia).