The blackout will give scientists a rare chance to do experiments they cannot do any other time
Scientists observed Galapagos turtles mating at the height of a total eclipse in 2017.
A total solar eclipse affords a rare opportunity to study the Sun's corona.
While the eclipse will barely be visible in the UK, radio operators across the country will still tune into messages sent from the other side of the Atlantic.
US space agency Nasa will fly WB-57 jets along the eclipse path to take pictures from 50,000 feet above Earth.
One instrument on board the planes called a spectrometer will help them learn more about the bursts of solar material flying out from the Sun.The planes will also buy time in the eclipse.
Path of darkness - scroll every mile of total eclipse.
The world's eclipse chasers arrive in North America.
Where in the UK can you see Monday's solar eclipse?
Solar eclipse spectacle set to grip North America again.
How lucky is that? The US will witness its second total solar eclipse in seven years on 8 April.