Through the generosity of IU Astronomy alum William J. Delaney, twelve students enrolled in our undergraduate Modern Observational Techniques course during the Fall 2025 semester were able to participate on an observing trip to the Macalester-Augustana-Coe Research Observatory (MACRO) at the Winer Observatory in Sonoita, AZ.
The planets in our Solar System show a strong alignment between their orbital axes and the Sun’s rotation axis (stellar obliquity, ψ). Exoplanets, however, do not always follow this pattern. Three decades of observations reveal that many exoplanets can be significantly misaligned, including those on nearly polar or even retrograde orbits.
IU Astronomy PhD student Tatiana Sandford participated in the Galaxy Memoirs conference, which took place in Armação dos Búzios, Brazil, in August 2025. The conference centered around the topic of galaxy evolution and was organized to honor the careers of two prominent astrophysicists who work in this area, Prof. Michael Merrifield and Prof. Alfonso Aragón-Salamanca.
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