@Rumblestiltskin to Space, the final [email protected] • 3 years agoScientists identify 29 planets where aliens could observe Earthwww.theguardian.comexternal-linkmessage-square0arrow-up16arrow-down10
arrow-up16arrow-down1external-linkScientists identify 29 planets where aliens could observe Earthwww.theguardian.com@Rumblestiltskin to Space, the final [email protected] • 3 years agomessage-square0