This is going to be a dumb question I fear...
If, as the article says, photons can't travel through a vacuum how are we able t see the stars (let alone distant galaxies)? Is it just because space isn't enough of full vacuum, or what am I missing?
I know it's not exactly HNewsy, but I felt the need to upvote this because, frankly, this made me smile and also I am highly sympathetic to this sentiment right now.
