Tag: Transit
Mercury Crosses a Quiet Sun
What’s that black dot crossing the Sun? The planet Mercury. Mercury usually passes over or under the Sun, as seen from Earth, but last month the Solar System’s innermost planet appeared to go just about straight across the middle. Although...
ISS and Mercury Too
Transits of Mercury are relatively rare. Monday’s leisurely 7.5 hour long event was only the 2nd of 14 Mercury transits in the 21st century. If you’re willing to travel, transits of the International Space Station can be more frequent though,...