Milestone! The last of 5 tennis court-sized sunshield layers that will protect #JWST is now complete. Full story: http://go.nasa.gov/2efrzUj pic.twitter.com/OGf1s2RkBz
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Our country is fucked. NASA isn't smart enough to know layers are complete, not is.
#grammar
The verb refers to "the last of," singular. i.e., the last of the layers is complete.
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Ah, I missed the "last of" part. Thought it just said the layers. My bad!
Thanks. Twitter will use this to make your timeline better. UndoUndo
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