========== Violin skulls and the most popular social
networks by country.It's episode 51 of IMG!Our Sun is big, like really, really big.Take a look at this photo of the transit of Venus.Brady Haran pointed this out to me.
Venus is pretty big.Almost the size of Earth, but the Sun in this
photo is huge and to put it in perspective,in this photo the Sun is 67 million miles
further away from us.But more seriously, what colour is the Moon?
I mean, it's easy to think that the Moon isjust a bright, white silvery grey.
But a lot of that brightness is an illusion,caused by the fact that the Moon is brighter
than everything around it.In fact, the Moon only reflects 12% of the
light that hits it from the Sun, which meansthe Moon is quite dim.
In fact, it's about t...
