Learn more about the Transit of Venus with this year's Folder. Displaying information and images about the Transit on the front and back, and math activities on the inside flaps.
On the front of the bookmark is a transit of the Sun, silhouetted with people, Captain Cooks Ship and a palm tree. On the back are teaser questions and a list of celestial events.
The flier shows when and where you can view the transit of Venus. At the bottom is the transit path in North America.
Some sunspots are cool enough that water vapor can form at a temperature of 1,550 °C.