Future Stellar Flybys of the Voyager and Pioneer Spacecraft
https://iopscience.iop.org/article/10.3847/2515-5172/ab158e
X-ray Studies of Exoplanets: A 2020 Decadal Survey White Paper
https://arxiv.org/abs/1904.04320
Stellar activity and rotation of the planet host Kepler-17 from long-term space-borne photometry
https://arxiv.org/abs/1904.04489
Faster Water Escape on High Obliquity Planets
https://arxiv.org/abs/1904.04740