Carnival of Space 586

< href="">The Carnival of Space 586 is up at Urban Astronomer.

Universe Today – Exoplanets Will Need Both Continents and Oceans to Form Complex Life

Universe Today – Planetary Scientists Have Chosen a Few Landing Sites for the Mars 2020 Rover

Nextbigfuture – Many anomalies of interstellar Oumuamua are explained if it was an alien solar sail

Nextbigfuture – 2025 SpaceX BFR and gravity slingshots for speed to reach alien Oumuamua object