Carnival of Space 558

The Carnival of Space 558 is up at Universe Today.

Universe Today – Living Underground on Other Worlds. Exploring Lava Tubes

Future Moon and Mars colonists will already be facing a life underground, to hide from the surface radiation, micrometeorite bombardment, extreme temperatures and to create a usable atmosphere. These natural tunnels will save them the hard work of needing to dig the tunnel.

The natural roofs on these caverns are thought to be 10 meters or more thick, with one site estimated to have a roof that’s 45-90 meters thick. This would be more than enough to protect against solar radiation and galactic cosmic radiation.

Blasting News – As the Google Lunar XPrize ends Israel is still shooting for the moon

Nextbigfuture – Dark matter might be primordial black holes

Nextbigfuture – Ancient industrial civilizations would be very hard to detect

Nextbigfuture – Holographic sails fixes last technical issues for interstellar laser pushed sails

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