“@flcnhvy @thirdrowtesla Particulate matter from automotive exhausts has a much more serious impact o…”

“@katlinegrey @Zvezdichko @SciGuySpace @Rogozin In the future, it will be as strange to have expendab…”

“@Darkellysio @katlinegrey @Zvezdichko @SciGuySpace The swivel wing design was cool. This seems like …”

“@katlinegrey @Zvezdichko @SciGuySpace Strange, as SpaceX lands on land frequently. Russia has very t…”