At room temperature, the ‘thermochromic’ Total Eclipse of the Sun Forever stamp depicts a solar eclipse, but becomes an image of the Moon from the heat of a finger. The image reverts back to the eclipse once it cools.
On August 21 at 11:43 a.m., Casper will be completely dark for 2 minutes and 26 seconds. Jackson, Dubois, Riverton, Glenrock, Douglas, and Torrington will go dark for about that long, too. Other parts of Wyoming will go dark, but for less than 2 minutes...
It's already being called the Great American Eclipse, and it's coming on August 21, 2017. Now, it's "Heads Up! in Jackson, Wyoming so they can handle the crowds.
For the first time in 38 years, the shadow of a total solar eclipse will cross the lower 48 of the United States. It will ...
I don't know if you are one of those people who enjoys all the marvels of the space and sky above us...But I am! So yesterday at about 6:30pm I start getting anxious knowing that the solar eclipse is about to begin!