The Arthur Ross Terrace will be closed this morning, Tuesday, October 21, for a private cultural observance. You many observe smoke and/or fire coming from the Terrace at that time. The FDNY has been notified in advance, and all safety precautions are in place. The Terrace will reopen at 1 pm.
If the Hayden Sphere is the size of a rhinovirus, then the model hanging about you are the relative size of water.
The water molecule has two hydrogen atoms attached to one oxygen atom(H2O). The human body is about 60 percent water.