These are items of interest to the interstellar exploration community that we’ve found in our quest for information that will help us advance toward our goals.  If you know of anything we’ve overlooked, or any sources of such information we should monitor, or if you would like to be added to our TVIW-updates mailing list and receive these updates in you email every weekday, please send that information to


March 18, 2019 updates

Solving Fermi’s Paradox

Era of Big NASA Space Telescopes May Be Ending

Exoplanets apsidal precession and analysis on their eccentricities

Planet pairs may have tilted poles

What do astronomers want from the STFC?

Predicting Additional Planets in TRAPPIST-1

Implications of Revised CO2–CH4 and CO2–H2 Absorption for Outer Edge Habitable Zone Planets

Three direct imaging epochs could constrain the orbit of Earth 2.0 inside the habitable zone

Aquaplanet Models on Eccentric Orbits: Effects of Rotation Rate on Observables

Multiverse Predictions for Habitability: Fraction of Planets that Develop Life

The Demographics and Atmospheres of Giant Planets with the ELTs

1I/`Oumuamua and the Problem of Survival of Oort Cloud Comets Near the Sun

Collisional Elongation: Possible Origin of Extremely Elongated Shape of 1I/`Oumuamua

Searching for Technosignatures: Implications of Detection and Non-Detection

The trail of water and the delivery of volatiles to habitable planets

Three Hot-Jupiters on the upper edge of the mass-radius distribution: WASP-177, WASP-181 and WASP-183

March 15, 2019 updates

Photochemistry in Hot H2-dominated Exoplanet Atmospheres

Towards an all-sky radio telescope for SETI

New photometric analysis of five exoplanets: CoRoT-2b, HAT-P-12b, TrES-2b, WASP-12b and WASP-52b

Stellar Influence on Heavy Ion Escape from Unmagnetized Exoplanets

Direct Acceleration: Cosmic and Exoplanet Synergies

Astro2020 Science White Paper: Toward Finding Earth 2.0: Masses and Orbits of Small Planets with Extreme Radial Velocity Precision

EUV influences on exoplanet atmospheric stability and evolution

Ultraviolet Spectropolarimetry as a Tool for Understanding the Diversity of Exoplanetary Atmospheres

A Shiny New Method for SETI: Specular Reflections from Interplanetary Artifacts

A Super-Earth and two sub-Neptunes transiting the bright, nearby, and quiet M-dwarf TOI-270

Constraining Stellar Photospheres as an Essential Step for Transmission Spectroscopy of Small Exoplanets

Transitions across Melancholia States in a Climate Model: Reconciling the Deterministic and Stochastic Points of View

March 14, 2019 updates

Detection and characterization of an ultra-dense sub-Neptunian planet orbiting the Sun-like star K2-292

Carrington-class Events as a Great Filter for Electronic Civilizations in the Drake Equation

Update of the HITRAN collision-induced absorption section

A Statistical Comparative Planetology Approach to Maximize the Scientific Return of Future Exoplanet Characterization Efforts

The Super-Earth Opportunity – Search for Habitable Exoplanets in the 2020s

Multiple Populations of Extrasolar Gas Giants

A hot rocky and a warm puffy super-Earth orbiting TOI-402 (HD 15337)

The Critical, Strategic Importance of Adaptive Optics-Assisted Ground-Based Telescopes for the Success of Future NASA Exoplanet Direct Imaging Missions

The radio search for technosignatures in the decade 2020-2030

The ground-based optical transmission spectrum of hot Jupiter HAT-P-1b

The remote detectability of Earth’s biosphere through time and the importance of UV capability for characterizing habitable exoplanets

The HD 15337 transiting system: a pair of sub-Neptune-mass planets on the opposite sides of the radius gap

Exoplanet Exergy: Why useful work matters for planetary habitabilty

March 13, 2019 updates

NASA criticized for proposed budget cuts

The Great Colonization Debate

Tides between the TRAPPIST-1 planets

Realistic On-The-Fly Outcomes of Planetary Collisions: Machine Learning Applied to Simulations of Giant Impacts

Fate of the runner in hit-and-run collisions

Identification and characterization of the host stars in planetary microlensing with ELTs

Asteroseismic determination of the stellar rotation period of the Kepler transiting planetary systems and its implications for the spin-orbit architecture

Discovery of Cold Brown Dwarfs or Free-Floating Giant Planets Close to the Sun

On the Anomalous Acceleration of 1I/2017 U1 `Oumuamua

Gliese 49: Activity evolution and detection of a super-Earth

The sub-Jovian desert of exoplanets: parameter dependent boundaries and implications on planet formation

The Metallicity-Period-Mass Diagram of low-mass exoplanets

The Importance of 3D General Circulation Models for Characterizing the Climate and Habitability of Terrestrial Extrasolar Planets

March 12, 2019 updates

Monitoring of the D Doublet of Neutral Sodium during Transits of Two “Evaporating” Planets

Op-ed | The rocky landscape for astrophysics

The Space Astrophysics Landscape for the 2020s and Beyond

Habitable zone predictions and how to test them

Mechanisms leading to a warmer climate on high obliquity planets

Effectively Calculating Gaseous Absorption in Radiative Transfer Models of Exoplanetary and Brown Dwarf Atmospheres

A hypothesis for the rapid formation of planets

Impact of thermal effects on the evolution of eccentricity and inclination of low-mass planets

Tracing the Origins and Evolution of Small Planets using Their Orbital Obliquities