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The US Centers for Disease Control and Prevention updated guidance on its website to say coronavirus can commonly spread "through respiratory droplets or small particles, such as those in aerosols," which are produced even when a person breathes.

Space 18 September 2020 By Joshua Rapp Learn Eugene Cernan and Ronald Evans flew on the Apollo 17 mission in 1972JSC/NASAThe average age of space travellers has been on the rise since cosmonaut Yuri Gagarin first blasted off in 1961, while the overwhelming majority of the 566 people that have been to space are male,…