[NEWS] Five D-Brief links about the solar system: Mars, Ryugu, Phaethon, Dione

[rfmcdonald]

• D-Brief notes that life could exist in the briny subsurface oxygen-rich water thought to exist on Mars.


• D-Brief notes that the question of where, exactly, the Mars 2020 rover will land on the red planet is a matter of hot controversy.


• D-Brief notes the care with which Hayabusa2 is being prepared for its Ryugu landing.


• D-Brief notes the mysterious asteroid 3200 Phaethon, with its orbit bringing its mysterious body periodically close to the sun.


• D-Brief notes the mysterious lines of Saturn's moon Dione, apparently created by snowfall--but snowfall from where?