The moon's shadow will pass over a vast stretch of North America during the total solar eclipse on April 8 , and NASA is sending jets to chase it.
"The eclipse basically serves as a controlled experiment," Bharat Kunduri, lead researcher of the ionosphere measurement and a research assistant professor at Virginia Tech in Blacksburg, Virginia, said in a statement. By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.As they race alongside the eclipse's eastward path, spectrometers mounted on the planes will measure the temperature and the elements found within the corona and its eruptions, called coronal mass ejections.