Michael Shara
Michael Shara
critical hard missions nasa science
It's critical that NASA think very hard about these unmanned science missions continuing.
asteroid cheap hit
It wouldn't be cheap to do. But having an asteroid hit us wouldn't be cheap either.
dear near subject
Its a subject that's near and dear to my heart.
consistent science written
There can't be anything wrong, factually or visually, with anything about this presentation. It has to be consistent with what is being written in the science journals.