Hey! I'm Daria.

Scientific Research

I am a fifth-year PhD Candidate in the Department of Earth and Planetary Sciences at the University of California, Riverside. I completed my undergraduate studies in biology in 2017, where I was the first student at my institution to conduct research in astrobiology. Fascinated by the search for life on other worlds, I went on to spend 2.5 years at NASA's Goddard Space Flight Center working on terrestrial exoplanet detection and characterization; through 1-D/3-D modeling and space-based observations, often using data from TESS (Transiting Exoplanet Survey Satellite). Now, I work to expand these efforts by collecting data from the ground as an observer on the Keck Telescope. I expect to graduate in June 2025. Details regarding present and former research activities can be found here.

My research interests and activities include observations of potentially Earth-like exoplanets in the habitable zones of their host stars through transmission/emission spesctroscopy and direct imaging; climate, photochemical, and spectral modeling of the atmospheres of such worlds, searching for remotely-detectable biosignatures, and determining how feasible it may be to conduct ground- and space-based observations of new targets discovered by TESS. I'm also interested in exploring the nuances of planetary habitability, including the impacts of stellar activity. I'm fascinated by the design process for space-based concept missions, and passionate about participating in outreach that works to connect the general public to outer space.

Content Creation

In addition to scientific research, I am a lifestyle and educational content creator. My content focuses not only on space education, but also a "behind the scenes" look into the lifestyle of a young woman working in the space science field while living in Los Angeles, California. I have cultivated an audience of over 100K followers across TikTok, Twitter, Youtube, and Instagram. With an audience of over 80% women, we connect over topics including fashion, beauty, wellness, and working in a male-dominated field. My overall goal with my platforms is to educate, inspire, and empower other like-minded women to live the life they've imagined.

For partnership inquiries, please contact me for my media kit.

Research

High CO2 Climates and Observables in the Outer Habitable Zone

TESS-Keck Survey

As TESS continues to discover a wealth of new exoplanets, we can measure their masses and determine their densities. I am currently training (virtually) as an observer on the Keck I and Automated Planet Finder (APF) telescopes as a part of the TESS-Keck Survey (TKS). TKS has been awarded a significant time allocation to focus on three broad science themes: bulk planet composition, system architectures, and spectroscopy of exoplanet atmospheres.

Probing the atmospheres of TESS planets: L 98-59

Planets in the Venus Zone that can be spectroscopically characterized are important in the realm of comparative planetology that aims to characterize the conditions of a post-runaway atmosphere. Studying planets that may be undergoing, or may have evolved into a post-runaway greenhouse state, is valuable as it can help teach us why some planets are Venus-like and others Earth-like. L 98-59 is a multi-planet system discovered by TESS whose three planets all lie within the Venus Zone. To prepare for their JWST GTO observations, I led a modeling study that proposes potential atmospheric states for each world along with their expected detectability for specific atmospheric constituents. The results of this study were published in The Astronomical Journal.

Modeling the Detectability of TRAPPIST-1e

Transit spectroscopy can potentially enable the detection of molecular signatures from terrestrial, Earth-sized exoplanets that lie within the habitable zone (HZ), providing an indication of the presence of an atmosphere and its chemical composition, including gases potentially indicative of a biosphere. Such planets around nearby M-dwarf stars—such as TRAPPIST-1—provide a relatively good signal, high signal-to-noise ratio, and frequent transits for follow-up spectroscopy. However, even with these advantages, transit spectroscopy of terrestrial planets in the HZ of nearby M-stars will still be a challenge. To approach these uncertainties, I led a study that examined the potential for future space observatories to conduct such observations, using a global climate model, a photochemical model, and a radiative transfer suite to simulate modern Earth-like atmospheric boundary conditions on TRAPPIST-1e. The detectability of biosignatures on such an atmosphere was modeled for various instruments of JWST, along with concept instrument designs for LUVOIR, HabEx, and Origins. The results of this study were published in The Astrophysical Journal.

CV

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