When a total solar eclipse sweeps across the United States for the first time in 99 years, people gathering in Charleston, South Carolina, are to be the last on the continent to experience it.
Next week's solar eclipse is to be streamed live online for the first time, from the vantage point of helium-filled balloons across the United States, providing the public with sky-high views as the moon blocks the sun.
When a total solar eclipse sweeps across the United States for the first time in 99 years, people gathering in Charleston, South Carolina, are to be the last on the continent to experience it.
Next week's solar eclipse is to be streamed live online for the first time, from the vantage point of helium-filled balloons across the United States, providing the public with sky-high views as the moon blocks the sun.
