[On January 4, 2012, I started a new features: BAFacts, where I write an astronomy/space fact that is short enough to be tweeted. A lot of them reference older posts, but some of the facts need a little mathematical explanation. When that happens I'll write a post like this one that does the math so you can see the numbers for yourself. Why? Because MATH!]
Today's BAFact: From Pluto, the Sun is so far away it would appear to be a point in the sky like a star, though an incredibly bright one. Yesterday, I showed how the Sun would still be painfully bright even from Pluto
, far brighter than the full Moon looks from here on Earth. But how big would it look in the sky? It turns out, that math is even easier than it was to find the brightness! The size of an object on the ...
