Searching for a standard Drake equation
https://arxiv.org/abs/1912.01783

Planetary Astrobiology
https://uapress.arizona.edu/book/planetary-astrobiology

The Helical Engine
http://people.uncw.edu/ganl/phy335/project/group-A/Calton-Landon.pdf

The Young Suns Exoplanet Survey: Detection of a wide orbit planetary mass companion to a solar-type Sco-Cen member
https://arxiv.org/abs/1912.04284

Upper Limits on Planet Occurrence around Ultracool Dwarfs with K2
https://arxiv.org/abs/1912.04286

Constraining Orbital Periods from Nonconsecutive Observations: Period Estimates for Long-Period Planets in Six Systems Observed by K2 During Multiple Campaigns
https://arxiv.org/abs/1912.04287

Constraints on Aquatic Photosynthesis for Terrestrial Planets Around Other Stars
https://arxiv.org/abs/1912.04301

The Influence of Stellar Contamination on the Interpretation of Near Infrared Transmission Spectra of Sub-Neptune Worlds around M-Dwarfs
https://arxiv.org/abs/1912.04389

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