text: I kī a Rick Colwell, he mema o te tīma e Deep Carbon Observatory no Oregon State University, ki te UK: "E whakaaro ana ahau tērā pea he pai ki te whakaaro he tikanga noa iho te oha o ētahi atu ao whetū me ā rātou marama, engari nā te mea kua kitea e mātou i konei i Earth ka taea e ngā kaiao te mahi mamao atu i te rā mā te whakamahi i te pūngao e hāngai ana mai i ngā toka hōhonu.