Mercurian Transit

It happens around 13 times a century: From our perspective, Mercury - the smallest planet in our solar system - will pass in front of the sun. Most of the world, including the United States, on Monday will be able to see the planet as a tiny black dot passing slowly in front of its host star. You shouldn't stare directly into the sun (ouch), but by...

It happens around 13 times a century: From our perspective, Mercury - the smallest planet in our solar system - will pass in front of the sun. Most of the world, including the United States, on Monday will be able to see the planet as a tiny black dot passing slowly in front of its host star. You shouldn't stare directly into the sun (ouch), but by...