RT @Cmdr_Hadfield: Looks like we’re 7th in water amount in our solar system – amazing revelation! uk.businessinsider.com/water-space-vo… https://t.co/He7kcguT5H
RT @Cmdr_Hadfield: Looks like we’re 7th in water amount in our solar system – amazing revelation! uk.businessinsider.com/water-space-vo… https://t.co/He7kcguT5H