November 6, 2019 updates

Electric Sail Propulsion for Deep Space Missions

Life on Venus and the interplanetary transfer of biota from Earth

2I/Borisov: A C2-depleted interstellar comet

Identifiable Acetylene Features Predicted for Young Earth-like Exoplanets with Reducing Atmospheres undergoing Heavy Bombardment

Wind erosion on Mars and other small terrestrial planets

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