Crowds in US cities – including Dallas and Ohio – witness the total solar eclipse turn the sky completely dark during the middle of the day
The phenomenon was first seen in the Mexican resort town of Mazatlan, At the point of totality, the Moon perfectly blocks the Sun. It lasts for about four minutes. The total eclipse will be watched by tens of millions across North America as it continues to sweep north and east for the next hour or so
Nasa is conducting experiments, flying planes and rockets to study the Sun’s atmosphere, To enjoy the phenomenon safely, never look at the Sun with the naked eye, even with sunglasses on – wear solar eclipse glasses.
Millions of people across Mexico, the US and Canada looked to the skies on Monday to witness a total solar eclipse carve a narrow path of darkness across the continent.
While neither Washington DC nor New York City were in the path of totality, both saw about 90% of the Sun covered by the Moon and plenty of people took to the streets – and skyscrapers – to catch a view.