galactic hitchhiker? | 802 Online

galactic hitchhiker?

comment

How did life begin on this mostly harmless planet? Astronomy blogger Tom asks, did Mother Earth use a panspermia donor?

Add a comment

Seven Days moderates comments in order to ensure a civil environment. Please treat the comments section as you would a town meeting, dinner party or classroom discussion. In other words, keep commenting classy! Read our guidelines...

Note: Comments are limited to 300 words.